DIY Saw Blade Storage Rack. Sawzall blade holder
US6871405B2. Reciprocating saw blade extension with lateral offset. Google Patents
Publication number US6871405B2 US6871405B2 US10/453,109 US45310903A US6871405B2 US 6871405 B2 US6871405 B2 US 6871405B2 US 45310903 A US45310903 A US 45310903A US 6871405 B2 US6871405 B2 US 6871405B2 Authority US United States Prior art keywords extension blade proximal leg legs Prior art date 2002-07-02 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number US10/453,109 Other versions US20040003504A1 ( en Inventor George S. Reale Paul F. Wolf Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Individual Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2002-07-02 Filing date 2003-06-03 Publication date 2005-03-29 Family has litigation Priority claimed from US39283702P external-priority 2003-06-03 Application filed by Individual filed Critical Individual 2003-06-03 Priority to US10/453,109 priority Critical patent/US6871405B2/en 2004-01-08 Publication of US20040003504A1 publication Critical patent/US20040003504A1/en 2005-03-29 Application granted granted Critical 2005-03-29 Publication of US6871405B2 publication Critical patent/US6871405B2/en 2005-07-18 First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30770891utm_source=google_patentutm_medium=platform_linkutm_campaign=public_patent_searchpatent=US6871405(B2) “Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License. 2021-04-12 Assigned to COMERICA BANK reassignment COMERICA BANK SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCI LTD. Status Active legal-status Critical Current 2023-06-03 Anticipated expiration legal-status Critical
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Images
Classifications
- B — PERFORMING OPERATIONS; TRANSPORTING
- B23 — MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D — PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00 — Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10 — Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/11 — Hand-held or hand-operated sawing devices with straight saw blades for special purposes, e.g. offset-blade hand; Hand saws having spaced blades; Hand saws for sawing grooves or square holes
- B — PERFORMING OPERATIONS; TRANSPORTING
- B23 — MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D — PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00 — Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08 — Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/10 — Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
Abstract
An extension is attachable to the driving shaft of a reciprocating blade tool such as a saber saw. The extension is attached to the drive shaft and the blade is attached to the end of the extension. The extension places the blade at a position spaced laterally and longitudinally from the nominal point of attachment of the blade to the driving shaft, the lateral spacing placing the new blade position approximately at the lateral outside edge of the tool housing, thereby permitting flush cuts. The extension can be formed of an integral strip or sheet having a proximal leg, an intermediate section and a distal leg, joined at equal and opposite obtuse angles. The angles are reinforced by two or more webs bent from the plane of the legs and attached, for example by welding, to the intermediate section.
Description
This application claims the priority of U.S. Provisional Patent Application Ser. No. 60/392,837, filed Jul. 2, 2002.
The invention concerns a blade mounting extension for a reciprocating saw such as a portable handheld electric saw. The blade mounting attaches at one end to a conventional flat saw blade and attaches at an opposite end to the conventional blade mounting fixture that otherwise would receive the saw blade. The inventive extension places the centerline of the saw blade at a lateral offset from the centerline of the blade mounting fixture, as well as spacing the blade linearly from the mounting fixture.
A range of portable power tools provide for reciprocating motion and typically are powered electrically or pneumatically. The driving portion of such a power tool has a housing that requires a considerable lateral width and height, as well as depth in the direction of reciprocation, to support, guide and drive the shaft that carries the reciprocating element. An electric reciprocating tool, for example, typically has a rotating-armature electric motor and an eccentric crank or cam arrangement for converting rotation of the motor into reciprocation of a fixture to which one end of the working tool element, such as a serrated saw blade, is attached.
There are a number of popular power tools, variously known as scroll saws, saber saws, jig saws, hole saws, etc., that reciprocate elongated blades. Some such saws have blades that are placed near a front end of a housing that is mounted above a support plate. The housing is elongated in one direction and the blade extends perpendicular to the elongation of the housing. Another popular form has a housing that is elongated in the same direction as the longitudinal extension of the blade. Both types of saws usually have a gripping handle on the housing on a side opposite from the blade, the handle being parallel to the normal cutting direction. In some arrangements, the blade can be oriented selectively to face its cutting edge one direction or another relative to the housing, e.g., forward or backward or laterally.
In addition to the drive shaft for attachment of the blade or other working element, the housing carries the power generation element (e.g., electric motor), the mechanical supporting bushings for the reciprocating drive shaft, and any associated linkage and gearing parts. These provisions space the drive shaft from some or all of the outer surfaces of the housing of the tool. The drive shaft is typically centered between lateral outside surfaces of the housing. As a result, the longitudinal center line of the blade, corresponding to the line that is cut by the saw, is often located along a center line of the housing. Even if offset, the drive shaft axis generally is not placed at or near the lateral outside edge of the tool. As a result, the housing of the tool can interfere with positioning of the blade in connection with some desirable cutting situations.
Interference due to the saw housing is apparent in the example of making a flush cut on a surface. Assuming that a structure protruding from a surface is to be cut off flush with the surface, the saw blade needs to be oriented parallel with the surface and placed directly against the surface, so as to make a cut immediately along the surface at the proximal part of the protruding structure. If a blade that is centered between lateral sides of a housing having a given width, should be brought parallel to a surface, the closest that the blade can come to the surface is a distance equal to the spacing between the blade and the lateral outside of the housing. If the blade is centered, this distance is half the width of the housing, e.g., several cm.
As a result of potential interference due to the width of the housing, the operator may attempt to incline the tool housing and lay the blade laterally against the surface while causing the blade to bend. This is wearing on the blade, which advantageously should be disposed in a straight line, to bear the alternating tension and compression forces caused by the reciprocating sawing motion, rather than being caused to flex. Bending the blade to cut also is hard on the tool, applying off center forces to the drive shaft, to the mounting of the blade to the drive shaft as well as the mounting of the drive shaft in the tool.
Attempting a flush cut by inclining the tool also often does not result in a clean flush cut. The result may be an inclined cut or stub rather than a neat flush cut. The surface adjacent to the protrusion may be marred. What is needed is a way to align the operating position or cutting line of the blade with the lateral outer edge of the housing that carries the driving mechanism for the blade, even in a tool that has a cutting line spaced well inwardly from the lateral side of the housing, while driving the blade in a straight reciprocating motion.
In a saw of the type having a blade that is elongated perpendicular to the elongation of the housing, the blade driving shaft can be placed near the front or nose of the tool, as typified by U.S. Pat. No. 4,566,190—Isakson. This placement is helpful to enable cutting close to an abutment, at least if the blade can be re-oriented parallel to the abutment. The driving shaft is still spaced inwardly from the closest edge (the nose) at least by the thickness of the bushing carrying the driving shaft. In order to align the blade cutting line with the outside of the housing at the nose, a support block is provided at the end of the driving shaft, for a screw or clamp fixture positioning the blade at a space from the remaining surface of the driving shaft. Isakson has a solid support block mounted on the end of the reciprocating driving shaft, the blade being fastened on an outer face of the block and thus spacing the cutting line of the blade from a cylindrical projection of the surface of the driving shaft. Another sort of solid block is disclosed in U.S. Pat. No. 4,553,306—Mineck. In U.S. Pat. No. 3,028,890—Atkinson et al., the blade is attached to the drive shaft on the outside of a square tube. The square tube provides at least two optional orientations for the blade, both spaced from the projection of the driving shaft. Atkinson also teaches a laterally asymmetrical housing so that from the outset the driving shaft is placed closer to one of the laterally opposite sides of the housing than to the other.
Mounting the blade on a cutting line that is laterally spaced from the reciprocating driving shaft has some of the same problems as attempting to tilt the saw at an incline in order to make a flush cut. The reciprocating forces associated with moving the blade in a sawing motion are transmitted in part as lateral and bending forces on the drive shaft and its mounting. The resultant force includes torque applied to the end of the driving shaft around a torque axis perpendicular to the longitudinal axis of the driving shaft. The severity of this torque is proportional to the lateral spacing of the blade center line from the drive shaft axis, this lateral spacing equating with the length of a lever arm. As the saw reciprocates, torque is applied in alternating directions.
U.S. Pat. No. 5,809,657—Mortensen teaches a blade adaptor that displaces the cutting line of a blade forward from the nose of a saw of the type having a blade aligned perpendicular to and at the front or nose of the housing. The blade is parallel to the drive shaft but is spaced by a distance of at least several cm. forward from the drive shaft. The adaptor forms more or less of a right angle or L-shape. The offset distance (the foot of the L-shape) defines a moment arm. Reciprocation forces applied to the blade by cutting are translated into a rocking or bending action at the connection to the drive shaft with a lever or multiplying factor proportional to the offset distance. These forces wear and loosen the clamping mechanism, screws or other mechanical device used for attachment at the drive shaft. The forces also wear and loosen the mounting of the drive shaft and the mechanism by which the tool drives the blade. These forces produce friction and metal fatigue and generally reduce the useful life of the tool.
In U.S. Pat. No. 3,260,290—Happe et al., a blade adaptor attachment holds the blade laterally alongside and outside of the width of the tool housing. The offset in this case is by an even greater distance than the nose-forward offset in Mortensen. Happe addresses the leverage of the reciprocation force by providing a guide shaft in addition to the drive shaft. The driving shaft and guide shaft are parallel and spaced. This solution reduces flexing at the attachment of the adaptor to the reciprocating drive shaft, but it requires a special non-standard tool effectively having two parallel shafts to guide the blade. The use of two shafts increases operational friction. The leveraged torque from the offset remains a factor, even if better borne by two shafts than by one as in Mortensen. The torque tends to produce alternating racking of the two parallel shafts, instead of flexing specifically at the attachment of the adaptor to the drive shaft.
It would be advantageous to provide a flush cutting blade rig that can be used on any reciprocating blade tool. Many popular reciprocating blade tools have a substantial distance between the drive shaft and the lateral edge of the housing and are not generally designed for flush cutting. It would be advantageous to adapt them for flush cutting, but not to damage the tool as a result. A laterally offset fixture is needed that positions the blade at a sufficient distance from the drive shaft to enable flush cutting with most types of tools, yet attaches to the tool simply, preferably with no more complication than attaching the blade to the driving shaft. Having made such an attachment, provisions need to be made somehow to minimize or reduce the adverse effects of the flexing and racking forces that could be produced by torque leveraged according to the distance at which the blade is offset from the driving shaft.
It is an object of the invention to provide a blade mounting for a reciprocating-blade power tool that addresses the problems caused by placing the center or cutting line of the blade parallel to and offset from the axis of the reciprocating shaft that drives the blade.
particularly, it is an object to deal with the leverage and flexing that can be applied to the driving shaft or to the joint of attachment with the driving shaft, by a generally L-shaped offset mounting.
It is a further object to provide a blade mounting adapter having these beneficial aspects, in a substantially universally applicable structure that attaches to virtually any tool by virtue of a blade-receiving fixture at one end and a blade-mimic structure that attaches to the drive shaft at an opposite end.
These and other objects are met by an extension that is attachable to the driving shaft of a reciprocating blade tool such as a saber saw. The extension is attached to the drive shaft and the blade is attached to the end of the extension. The extension places the blade at a position spaced laterally and longitudinally from the nominal point of attachment of the blade to the driving shaft, the lateral spacing placing the new blade position approximately at the lateral outside edge of the tool housing, thereby permitting flush cuts. The extension can be formed of an integral strip or sheet having a proximal leg, an intermediate section and a distal leg, joined at equal and opposite obtuse angles. The angles are reinforced by two or more webs bent from the plane of the legs and attached, for example by welding, to the intermediate section.
According to an inventive aspect, in addition to providing a lateral offset as described, the invention displaces the point of attachment of the blade longitudinally from the drive shaft as well. This displacement tends to remove and isolate the drive shaft and its attachment from some of the flexing and racking force, by reducing to less then 90 degrees the resultant angle at which torque-producing reciprocating sawing forces are applied at the connection between the extension and the driving shaft.
According to another aspect, the invention employs a preferably-integral adapter bar having two complementary angles that place the blade-receiving end parallel to and laterally displaced from the drive-shaft attaching end, these angles being reinforced by structures extending between the legs leading up to the angle. In a preferred arrangement, integral reinforcing webs are bent upwardly from the material of the adapter bar to reside in the crotches of these angles. The angles are preferably obtuse angles that provide part of the longitudinal displacement described above. The reinforcing webs preferably are welded along their free ends to laterally displace proximal and distal extension legs that are parallel to one another and laterally displaced.
The attachment structures at the proximal and distal ends of the extension are precisely complementary to the drive shaft end and to the blade. One end substantially duplicates the proximal end of a saw blade. The other end substantially duplicates the structure of the drive shaft that normally receives the saw blade. As a result, the blade extension attaches to the drive shaft in the same manner that a blade otherwise could attach normally. In turn, the blade attaches to the opposite end of the extension in the same way that the blade would otherwise attach to the drive shaft.
A number of additional objects and aspects of the invention will become apparent in connection with the following discussion of examples and preferred embodiments.
There are shown in the drawings a number of preferred arrangements that should be construed as exemplary rather than limiting. In the drawings,
FIG. 1 is a perspective view showing a reciprocating saw having a conventional blade and showing the blade extension of the invention disposed to receive an offset blade shown in broken lines.
FIG. 2 is a plan view showing the extension of the invention, from above relative to FIG. 1. the blade and the saw housing being shown partly cut away.
FIG. 3 is a plan view corresponding to FIG. 2. showing the extension of the invention with the saw blade receiving fixture exploded.
FIG. 7 is a plan view of a flat blank to be bent upwardly (dash-dot lines) and downwardly (dash-double-dot) into the extension shape as otherwise shown.
According to the invention an extension is attachable to the driving shaft of a reciprocating blade tool such as a saber saw. The extension is inserted between the normal connection for the blade, namely the reciprocating driving shaft, and the blade. That is, the extension is attached to the drive shaft and the blade is attached to the end of the extension. This is accomplished using structures for the opposite ends of the extension that resemble the structures of the blade and its point of drive shaft attachment, and which form a rigid extension that positions the blade at a longitudinal and lateral distance from its nominal directly-attached position on the reciprocating driving shaft of the tool.
FIG. 1 illustrates an exemplary form of reciprocating blade tool 20. The tool has a housing 22 that carries an electric motor, pneumatic piston/cylinder or other mechanical arrangement (not shown) that reciprocates a serrated blade 25, attached to a fitting 28 at the end of a reciprocating driving shaft extending into the housing 22. The reciprocating movement is parallel to a driving shaft 36 (see FIG. 2), which normally corresponds to the longitudinal axis of the blade 25 and defines a driving axis. The tool is generally manipulated manually via a handle 32. The tool can have a presser- foot rest 34 associated with the blade 25, for bracing the tool against a material (not shown) in which a sawed line is to be cut. Alternatively, the tool can be operated with only the blade applied to the work surface to be cut.
The exemplary saw in FIG. 1 is only one of any number of reciprocating tools to which the invention can be applied. Other common forms of such tool are also applicable, for example as in U.S. Pat. No. 3,260,290, with a housing that is elongated in a direction perpendicular to the cutting line of the blade, or as in U.S. Pat. No. 3,028,890, with the blade displaced toward one edge of the tool. The invention is also applicable to those tools, and the tools of the other prior art mentioned above, which is hereby incorporated, and other reciprocating saws and other tools.
Referring to FIGS. 1 and 2. according to the invention an extension 50 is provided between the blade 25 and the fitting 25 at which the blade 28 would otherwise be attached to the driving shaft 36 of the tool 20. The extension 50 re-positions the blade at a position shown in FIG. 2. where the blade is spaced laterally and also longitudinally from the driving shaft 36 and from the nominal position of the blade 25 as shown in solid lines in FIG. 1. Preferably, the lateral spacing places the new blade position nearer to a projection of one of the lateral outside edges 38 of the tool housing 22, or beyond the lateral outside edge 38, or most-preferably in alignment with the lateral outside edge 38. The placement of the blade as shown facilitates flush cutting, and can make flush cutting possible using a tool in which the drive shaft 36 is well back from the housing edge 38 at which a flush cut may be desired.
The longitudinal spacing “L” and lateral spacing “D” between the original and extension-carried position of the blade together serve both to facilitate flush cutting, and also to ease the flexing stress that could be caused by an extension in the shape of a right angle with little or no longitudinal spacing.
As shown in FIG. 2. preferably the longitudinal and lateral spacing are achieved by providing equal and opposite obtuse angles 52 between three integral lengths or sections of the blade extension 50. These sections are a proximal extension leg 62 attached to the drive shaft 36 in place of the blade 25, an intermediate section 64 that is angled relative to the proximal leg by an obtuse angle 52, and a distal extension leg 66 that joined to the intermediate section 64 by an opposite but equal obtuse angle 52. Thus the proximal and distal leg sections are parallel.
The extension 50 can be formed of an integral strip or sheet, i.e., wherein the proximal leg 62, intermediate section 64 and distal leg 66 are formed in one piece. These parts can be stamped from sheet stock, for example steel strip. Alternatively, they can be cast in a metal or other material (e.g., rigid plastic). Although preferably integral, the legs and intermediate section can be joined by welding.
FIGS. 3-5 show a preferred integral metal arrangement in elevation and plan views. The extension 50 is discussed with respect to certain terms that denote orientations and directions, such as “up,” “down,” “above,” “below,” “vertical,” “horizontal,” etc. These terms refer to the depiction in the drawings and should not be construed to require any particular orientation or relative position of the extension, absolutely or relative to a tool housing, unless so stated or unless necessary in view of the operation of the structure being discussed.
As shown in FIGS. 2 and 3. the opposite obtuse angles can be on the order of 120 to 150 degrees, for example. The proximal and distal legs can be of equal or different length, and can be the same or a different length from the intermediate section. In the embodiment shown in FIGS. 3-5. the proximal leg is somewhat longer than the distal leg and has a structured end tab 82 that resembles the end of a blade (not shown). The end tab 82 thus has a shoulder-forming lateral part 84 leading into the tab 82, which can be thinner than the remainder of the extension material to equal the thickness of a blade. The tab 82 has the same connecting structures as a blade, two holes 82, 88 being shown in FIG. 5.
The distal leg section 66 has a structure that corresponds to the blade-receiving structure on the end of the drive shaft 36 (see FIG. 2), and is complementary with the holes 86, 88 in FIG. 5. Thus as shown in FIG. 3. a clamping plate 92 is provided to attach the blade to the distal leg 66. The blade (not shown) has two holes positioned the same as holes 86, 88 in FIG. 5. One of the holes 86 receives a locating pin 94. The other hole receives a screw 96 that is passed through plate 92 and threads into a corresponding hole in the distal leg 66 to clamp the blade (not shown) to the extension. FIG. 6 further illustrates these aspects in a perspective view.
As shown in FIGS. 3-6. the extension 50 is made rigid through one or preferably both of the obtuse angles 52 by means of at least one reinforcing portion 102 that extends between the intermediate extension section 64 and one of the proximal and distal extension legs 62, 66. The reinforcing portion 102 rigidly spaces the intermediate extension section 64 from said one (or both) of the proximal and distal extension legs 62, 66, at a space from a respective one of the obtuse angles 52. In the preferred embodiment, two such reinforcing portions 102 respectively extend between the intermediate extension section 64 and each of the proximal extension leg 62 and the distal extension leg 66.
FIGS. 3. 6, and 7 show the preferred arrangement in which the intermediate and leg parts of extension 50 are integral with one another and also integral with the reinforcing portions 102. These parts can be cast, but preferably are stamped from a steel strip, the obtuse angles 52 being formed and the reinforcing portions 102 being bent up 90 degrees from the plane of the sheet so as to reside in the obtuse angles. As shown by the flat blank in FIG. 7. the reinforcing portions 102 can be lateral wings on the intermediate section. The reinforcing portions are bent in opposite directions to 90 degrees from the plane of the intermediate section 64, and the proximal and distal legs are likewise bent in the same directions, but only to the obtuse angle. This places the ends of the reinforcing portions on the inside of the obtuse angle 52 and abutting the respective leg 62 or 66.
The reinforcing portions could be merely placed into obtuse angles 52 and in that position would resist the tendency of the obtuse angles 52 to be collapsed by compression between the proximal and distal legs 62, 66. However, preferably the reinforcing parts are welded to the adjacent proximal or distal leg. In that way, the reinforcing portions resist both tension and compression forces applied in reciprocation of the tool drive shaft, versus resistance at the blade.
The reinforcing portions 102 in the embodiment shown provide triangular webs that rigidly resist extension or collapse of the obtuse angles. Reciprocation forces produced at the drive shaft and resisted at the blade produce tension and compression between the ends of the extension 50. However, this does not result in extension and compression of the length of the extension because the reinforcement portions 102 hold the obtuse angles 52 rigidly in at their predetermined angle. There is some tendency for opposite forces at the blade and at the driving shaft compression and extension to produce torque at the points of affixation of the extension on the driving shaft and the blade on the extension. Whereas the obtuse angles space the blade longitudinally as well as laterally, this effect is less severe than it would be if the two angles 52 were each right angles. The two angles 52 can be made more obtuse to enhance the elongation of the extension and the resulting isolation from torque, or shorter if some flexing is to be permitted in exchange for a shorter total length.
The device of the invention is thus seen to provide an extension blade holder to be mounted between the conventional blade holder of a reciprocating saw or similar tool, and the blade or other working member. The device has a proximal end that resembles the end of the saw blade and is attached in the same way to the blade mounting shaft of the saw. The device has an identical mounting at its distal end, for attaching the blade. Assuming that the saw blade is in a vertical orientation, the extension holder of the invention positions the mounting point for the blade, for example, about 5.5 inches below or longitudinally displaced from the nominal position that would be provided by the blade holder of the saw. The holder has two angular diversions that are equal angles and bend in opposite directions, defining a diversion that displaces the plane of the blade laterally. The lateral spacing is preferably sufficient to equal or exceed the distance from the cutting line of the blade as attached to the driving shaft, to the lateral outside edge of the tool housing. Typically, this distance is about two inches. These distances are scalable and variable to reflect the scale of the power tool or to enhance or reduce the application of forces expected in operation. In this way, the blade is operated at a position parallel to its nominal mounting position and preferably bordering or outside the footprint of the housing, enabling flush cuts.
The lateral and longitudinal offsets are provided by two angular diversions that are equal and opposite obtuse angles, e.g., at least 120 degrees. In exerting a reciprocating force on the blade, the lateral offset between the plane of the saw shaft and the plane of the blade, which would tend to seriously flex the extension blade holder and its attachments if coupled at right angles, is prevented from flexing or at least substantially controlled. The obtuse angles result in longitudinal as well as lateral spacing of the point at which blade reciprocation forces are applied (in a direction parallel to the blade cutting line). The result is a reduction in the stress of flexing as compared to a right angle connection, due to lowering the moment arm at which flexing torque is applied to the connection with the driving shaft, to much less than 90 degrees.
The blade holder is made integrally from a durable steel bar stock, about an eighth of an inch thick and a half inch wide. Both angular diversions are reinforced by triangular webs of integral steel, folded to 90 degrees from the plane the extension and optionally welded. Other materials are possible. For example a similar shape could be cast.
The invention having been disclosed in connection with certain preferred examples, variations employing the inventive aspects will now be apparent. The invention is not limited only to the examples discussed above, and reference should be made to the appended claims instead of the foregoing examples, to assess the scope of the invention in which exclusive rights are claimed.
Claims ( 9 )
A power tool apparatus for a power tool having a drive shaft carried in a tool housing, for receiving and driving a saw blade in a reciprocating motion on a drive axis, the apparatus including a blade extension comprising:
an intermediate extension section disposed between the proximal extension leg and the distal extension leg;
wherein the distal extension leg positions the saw blade at a cutting axis that is laterally displaced from the drive axis;
wherein the proximal extension leg and the distal extension leg are parallel to one another and joined at angles to the intermediate extension section; and,
further comprising at least one reinforcing portion extending between the intermediate extension section and one of the proximal and distal extension legs, the reinforcing portion rigidly spacing the intermediate extension section from said one of the proximal and distal extension legs.
The apparatus of claim 1. wherein the lateral displacement of the cutting axis from the drive axis is at least as large as a distance from the driving axis to a lateral outside wall of the housing, whereby the cutting axis can be placed flush with a surface against the housing.
The apparatus of claim 1. wherein the proximal extension leg is structured substantially the same as a saw blade and is attachable to the driveshaft substantially the same as the saw blade.
The apparatus of claim 3. wherein the distal extension leg is structured substantially the same as the driveshaft for receiving said saw blade.
The apparatus of claim 1. comprising two said reinforcing portions respectively extending between the intermediate extension section and one of the proximal extension leg and the distal extension leg, the two reinforcing portions rigidly spacing the intermediate extension section from each of said the proximal and distal extension legs, at a space from a respective one of the angles at which the intermediate extension section is joined to the proximal and distal extension legs, respectively.
The apparatus of claim 5. wherein the proximal and distal extension legs and the two reinforcing portions are integral portions of a sheet of material, the reinforcing portions being bent to diverge from a plane occupied by one of the extension legs and the intermediate extension section integrally coupled to a respective one of the reinforcing portions.
The apparatus of claim 1. wherein the proximal and distal extension legs and the reinforcing portion are integral portions of a sheet of material, the reinforcing portion being bent to diverge from a plane occupied by one of the extension legs and intermediate section.
The apparatus of claim 7. wherein the reinforcing portion is integrally connected along a fold at one side and at a weld at an other side, between said intermediate section and an adjacent one of the extension legs.
The apparatus of claim 8. wherein two reinforcing portions are respectively coupled at folds to the proximal and distal extension legs on laterally opposite sides of the extension legs, and are bent perpendicular to planes of said extension legs and welded to the intermediate section.
US10/453,109 2002-07-02 2003-06-03 Reciprocating saw blade extension with lateral offset Active US6871405B2 ( en )
Applications Claiming Priority (2)
| US39283702P | 2002-07-02 | 2002-07-02 | |
| US10/453,109 US6871405B2 ( en ) | 2002-07-02 | 2003-06-03 | Reciprocating saw blade extension with lateral offset |
Family Applications (1)
Cited By (23)
| US20040221461A1 ( en ) | 2003-05-08 | 2004-11-11 | Knisley Keith L. | Saw blade for reciprocating saws |
| US20050199117A1 ( en ) | 2004-03-12 | 2005-09-15 | Quinn Timothy D. | Tool adaptor for use with a reciprocating saw |
| US20060086218A1 ( en ) | 2004-03-12 | 2006-04-27 | Quinn Timothy D | Tool adaptor for use with a reciprocating saw |
| WO2005113205A3 ( en ) | 2004-05-11 | 2006-06-22 | Jon Ritter | Orbital reciprocating saw |
| US20060137498A1 ( en ) | 2004-12-29 | 2006-06-29 | Scott Bowling | Offset blade for making flush cuts with a reciprocating saw |
| US20070074406A1 ( en ) | 2005-09-30 | 2007-04-05 | Audrius Magyla | Power-operated under cut saw |
| WO2007073512A2 ( en ) | 2005-11-08 | 2007-06-28 | The Shire Corporation | Hemispherical tool |
| US20070175050A1 ( en ) | 2006-02-01 | 2007-08-02 | Parker Gregory G | Undercut saw |
| US20090188367A1 ( en ) | 2008-01-25 | 2009-07-30 | Timothy Don Quinn | Tool adaptor for use with a reciprocating saw |
| US20100076473A1 ( en ) | 2008-09-25 | 2010-03-25 | Ossama Tawfik | Tissue Slicer |
| WO2012121994A1 ( en ) | 2011-03-07 | 2012-09-13 | Infusion Brands, Inc. | Dual blade reciprocating saw |
| USD688543S1 ( en ) | 2012-03-20 | 2013-08-27 | Milwaukee Electric Tool Corporation | Saw blade |
| US20130239418A1 ( en ) | 2012-02-10 | 2013-09-19 | Milwaukee Electric Tool Corporation | Accessory for a reciprocating saw |
| US8919787B1 ( en ) | 2010-10-08 | 2014-12-30 | James Timothy Wilcher | Reciprocating tool attachment assembly and methods |
| USD729600S1 ( en ) | 2014-05-06 | 2015-05-19 | Milwaukee Electric Tool Corporation | Saw blade |
| US20150135541A1 ( en ) | 2013-11-15 | 2015-05-21 | Robert Bosch Tool Corporation | Articulating Oscillating Power Tool |
| US20150163987A1 ( en ) | 2013-12-18 | 2015-06-18 | G.H.L. International, Inc. | Reciprocating Gardening Tool and Gardening Tool Attachment for Reciprocating Power Tool |
| US9278397B2 ( en ) | 2012-12-21 | 2016-03-08 | Jeremy Leman | Reciprocating saw with reinforced offset saw blade holder |
| US9475141B2 ( en ) | 2011-08-04 | 2016-10-25 | Milwaukee Electric Tool Corporation | Reciprocating saw blade |
| US9643267B2 ( en ) | 2012-03-01 | 2017-05-09 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| US10293422B2 ( en ) | 2012-03-01 | 2019-05-21 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| US11241241B2 ( en ) | 2018-05-11 | 2022-02-08 | Stryker European Holdings I, Llc | Surgical blade assembly |
| USD964134S1 ( en ) | 2018-09-07 | 2022-09-20 | Jeremy Leman | Reciprocating saw |
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| WO2005068121A1 ( en ) | 2004-01-06 | 2005-07-28 | Ritter Jon S | Flush cut adapter |
| US9814870B2 ( en ) | 2010-08-17 | 2017-11-14 | Becton, Dickinson And Company | Non-luer connectors |
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| US3028890A ( en ) | 1960-10-11 | 1962-04-10 | Black Decker Mfg Co | Two-position blade clamping means for a sabre saw |
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| US20040221461A1 ( en ) | 2003-05-08 | 2004-11-11 | Knisley Keith L. | Saw blade for reciprocating saws |
| US7631584B2 ( en ) | 2004-03-12 | 2009-12-15 | Quinn Tools, Inc. | Tool adaptor for use with a reciprocating saw |
| US20050199117A1 ( en ) | 2004-03-12 | 2005-09-15 | Quinn Timothy D. | Tool adaptor for use with a reciprocating saw |
| US20060086218A1 ( en ) | 2004-03-12 | 2006-04-27 | Quinn Timothy D | Tool adaptor for use with a reciprocating saw |
| WO2005113205A3 ( en ) | 2004-05-11 | 2006-06-22 | Jon Ritter | Orbital reciprocating saw |
| US20060137498A1 ( en ) | 2004-12-29 | 2006-06-29 | Scott Bowling | Offset blade for making flush cuts with a reciprocating saw |
| US20070074406A1 ( en ) | 2005-09-30 | 2007-04-05 | Audrius Magyla | Power-operated under cut saw |
| WO2007073512A2 ( en ) | 2005-11-08 | 2007-06-28 | The Shire Corporation | Hemispherical tool |
| WO2007073512A3 ( en ) | 2005-11-08 | 2007-12-27 | Shire Corp | Hemispherical tool |
| US7574803B2 ( en ) | 2006-02-01 | 2009-08-18 | Parker Gregory G | Undercut saw |
| US20070175050A1 ( en ) | 2006-02-01 | 2007-08-02 | Parker Gregory G | Undercut saw |
| US20090188367A1 ( en ) | 2008-01-25 | 2009-07-30 | Timothy Don Quinn | Tool adaptor for use with a reciprocating saw |
| US20100076473A1 ( en ) | 2008-09-25 | 2010-03-25 | Ossama Tawfik | Tissue Slicer |
| US8919787B1 ( en ) | 2010-10-08 | 2014-12-30 | James Timothy Wilcher | Reciprocating tool attachment assembly and methods |
| US9604383B1 ( en ) | 2010-10-08 | 2017-03-28 | James Timothy Wilcher | Scissors attachment apparatus for a reciprocating tool |
| WO2012121994A1 ( en ) | 2011-03-07 | 2012-09-13 | Infusion Brands, Inc. | Dual blade reciprocating saw |
| US9475141B2 ( en ) | 2011-08-04 | 2016-10-25 | Milwaukee Electric Tool Corporation | Reciprocating saw blade |
| US10226829B2 ( en ) | 2011-08-04 | 2019-03-12 | Milwaukee Electric Tool Corporation | Reciprocating saw blade |
| US20130239418A1 ( en ) | 2012-02-10 | 2013-09-19 | Milwaukee Electric Tool Corporation | Accessory for a reciprocating saw |
| US9702153B2 ( en ) | 2012-02-10 | 2017-07-11 | Milwaukee Electric Tool Corporation | Accessory for a reciprocating saw |
| USD903448S1 ( en ) | 2012-03-01 | 2020-12-01 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| US10293422B2 ( en ) | 2012-03-01 | 2019-05-21 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| US9643267B2 ( en ) | 2012-03-01 | 2017-05-09 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| USD903449S1 ( en ) | 2012-03-01 | 2020-12-01 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| US10118238B2 ( en ) | 2012-03-01 | 2018-11-06 | Milwaukee Electric Tool Corporation | Blade for a reciprocating saw |
| USD688543S1 ( en ) | 2012-03-20 | 2013-08-27 | Milwaukee Electric Tool Corporation | Saw blade |
| USD723892S1 ( en ) | 2012-03-20 | 2015-03-10 | Milwaukee Electric Tool Corporation | Saw blade |
| US9278397B2 ( en ) | 2012-12-21 | 2016-03-08 | Jeremy Leman | Reciprocating saw with reinforced offset saw blade holder |
| US20150135541A1 ( en ) | 2013-11-15 | 2015-05-21 | Robert Bosch Tool Corporation | Articulating Oscillating Power Tool |
| US10576652B2 ( en ) | 2013-11-15 | 2020-03-03 | Robert Bosch Gmbh | Articulating oscillating power tool |
| US20150163987A1 ( en ) | 2013-12-18 | 2015-06-18 | G.H.L. International, Inc. | Reciprocating Gardening Tool and Gardening Tool Attachment for Reciprocating Power Tool |
| USD729600S1 ( en ) | 2014-05-06 | 2015-05-19 | Milwaukee Electric Tool Corporation | Saw blade |
| US11241241B2 ( en ) | 2018-05-11 | 2022-02-08 | Stryker European Holdings I, Llc | Surgical blade assembly |
| USD964134S1 ( en ) | 2018-09-07 | 2022-09-20 | Jeremy Leman | Reciprocating saw |
| USD977933S1 ( en ) | 2018-09-07 | 2023-02-14 | Jeremy Leman | Reciprocating saw |
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DIY Saw Blade Storage Rack
Get your saw blades organized with this DIY saw blade storage rack. This holder is easy to make with a few pieces of scrap wood and these simple plans.
DIY Saw Blade Storage Rack
Are your saw blades scattered across your workshop? Get them organized with this DIY saw blade holder. It’s easy to make with scrap wood, a few simple cuts, and a few common woodworking tools. The holder has five spaces for circular saw blades, miter saw blades, or table saw blades. There’s also a shelf at the bottom to store scroll saw blades and jigsaw blades. The free plan includes all of the measurements and detailed step-by-step instructions. Get the free plan now and build one today.
You may also enjoy this DIY drill holder, DIY circular saw holder, DIY screwdriver holder, and this DIY sander organizer. This tutorial contains affiliate links to supplies and tools. Purchases made using these links help support the Saws on Skates website and allows me to share more projects and tips with you. There is no cost to you for using these links. Visit my site policies for more information. Before we get into how to make a DIY saw blade storage rack, be sure to click the subscribe button at the bottom of this page to sign up for my FREE weekly newsletter loaded with helpful hole tricks, space-saving workshop ideas, clever DIY tips and more!
Inspiration for This Project
I recently shared plans for this DIY drill holder. DIY circular saw holder, and DIY screwdriver holder. I’m blown away by all the interest in these simple but useful workshop storage projects.
In a recent reader poll about workshop storage and organization, DIYers shared that they also needed help organizing their saw blades.
I researched some saw blade storage ideas. The thing that stood out to me is that many of the plans required a router to make slots for storage shelves.
I wanted something that didn’t require fussy joinery and could be made in an afternoon. Then I found a plan from Woodsmith.
Overall I liked the design, but I made a few tweaks to make it deeper, shorter, and add a shelf at the bottom. I also designed it so that it could be made with 1×2s, 1×3s, and 1×6s instead of plywood.
Here’s the solution. A simple saw blade organizer made with scrap wood and space for five saw blades.
Back to Table of Contents
How Many Saw Blades Can This Rack Hold?
This saw blade rack was designed to organize 5 saw blades. The shelf at the bottom can be used to store jigsaw blades and scroll saw blades.
You can easily adjust the height of the rack to add storage for more saw blades.
Where Do You Store the Holder?
This holder was designed to fit in the compact space inside of these DIY tool storage cabinets.
You could also store it on a workbench or attach a French Cleat to the back of the holder and hang it on the wall.
Back to Table of Contents
What Tools Do You Need to Make a DIY Saw Blade Holder?
This holder is a quick afternoon project. It can be made using basic woodworking skills and just a few common woodworking tools.
Tools like a miter saw, hole jig, and a drill.
Miter Saw
I used a miter saw to cut all of the parts to length for this project.
Hole Jig
We can use any hole jig to drill the holes for this project. I used the Kreg Jig 320 to drill the holes for my saw blade holder.
Drill
The drill was used to drill the holes and countersink holes. The drill was also used to drive the screws and wood screws that join the pieces together.
Back to Table of Contents
What Wood Should You Use?
This storage holder can be made with just about any type of wood. This project doesn’t require much wood so it’s a great way to use up some scrap wood.
Many times I use common pine to build my projects. Pine is relatively inexpensive and easy to work with.
I had some scrap pieces of pine 1×2s, 1×3s, and 1×6s so I used those to make my holder. You could also use scrap pieces of plywood to make this project.
How Do You Finish the Holder?
This saw blade holder could be finished in a variety of ways. It could be left natural, painted, etc.
I used shellac to finish the shelves of my tool storage cabinets and this DIY drill holder, so I want to use shellac on this project too.
I haven’t applied the shellac yet, but when I do, I’ll apply three coats.
Back to Table of Contents
DIY Saw Blade Storage Rack
Step 1. Make the Back
Cut 1 piece of wood to length for the back and drill holes in one end.
Step 2. Attach the Bottom
Cut 1 piece of wood to length for the bottom.
Apply glue to the back, position on the bottom, and clamp. Attach using 1-¼” screws.
Step 3. Make the Holders
Cut 8 pieces of wood for the holders. First, cut an angle on one end. Next, measure from the cut end. Then, make a second angled cut. Repeat for the remaining holders.
Use the diagram in the printed plan to lay out the location for countersink holes. These holes will be used to attach the holders to the back.
TIP: Be sure to make 5 right holders and 5 left holders.
I used my Multi-Mark to draw a line. Then, measured in from each side. At each mark, I used an awl to make a starting point for the drill.
Then, I used a countersink bit to drill holes at each mark.
Step 4. Make the Holder Supports
Cut 2 pieces of wood to length with an angle on one end.
On one side, drill one hole. On the opposite side of the hole, use the diagram in the printed plan to drill 2 countersink holes.
TIP: Be sure to make a right and left support.
Step 5. Attach the Holders
Apply glue to the end of a support, position a holder, and clamp. Attaching using 1-¼” screws.
TIP: This joint can be tricky to clamp. I used a piece of scrap wood cut with an angle to create a flat place to attach the clamp. I also clamped the faces to prevent the pieces from shifting out of position.
Apply glue to the bottom holders, place in position, and clamp. Attach using 1-¼” wood screws.
I used a piece of scrap wood to help with positioning the holders.
Place the scrap wood on the bottom holder. Apply glue to a holder, position on the scrap wood, and clamp. Attach using 1-¼” wood screws. Repeat for the remaining holders.
Final Thoughts
Get your saw blades organized with this DIY storage rack. It’s easy to make with scrap wood, a few simple cuts, and a few common woodworking tools.
Click here to get the free plan (including the detailed instructions and measurements) now!
Thank you for stopping by. If you enjoyed this tutorial, would you please take a moment and pin it to ? I’d really appreciate it!
Milwaukee Packout Sawzall Blade Insert
Sawzall and jigsaw blade organizer bin for Milwaukee Packout Low-Profile dividers.
Build a Blade Storage Box
Keep your sawzall and jigsaw blades organized with this divider insert!
Can also be used for hex extensions and bits, long zip-ties or anything else that is up to 12″ in length.
Insert fits snugly into packout organizer, keeping blades in their place.
Fits sawzall blades up to 12″ in length.
Made of PET thermoplastic- will not deform or warp in the sun like PLA from other brands.
All of our products are made in-house, and can be modified to your needs.
due to the constraints of 3D printing, this is a 2-piece organizer
Fits Low-Profile Packout organizer:48-22-8436
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Прошу связаться со мной, если у вас возникнут какие-либо проблемы с заказом
Программа защиты покупок Etsy Покупайте спокойно: если что-то пойдет не так с заказом, мы вам поможем. Заказ должен соответствовать определенным условиям.
К сожалению, доставка в эту страну ( Германия ) не осуществляется. Свяжитесь с магазином для получения информации о доступных вариантах доставки.
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Часто задаваемые вопросы
Everything in this shop is made of PET, ASA or other types of thermoplastic depending on the application.
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Этот продавец обычно отвечает в течение нескольких часов.
9 отзывов
The fit is great but did not notice it was a two piece part, that should be in the description. The sides are more flexible because they are not a solid wall, this should not be a issue for storing blades. The third slot is a weird length, not long enough for 9” blades, it essentially becomes another 6” slot with more room for blades to slide around. The length should be adjusted for a 9” so I don’t have to throw them in the sides with the 12” blades.
Great fit and pretty good finish. Really helps to hold all my spare blades.
This is a nicely made product and fit is nice. The entire package REEKS of cigarettes and is quite overwhelming. Not really keen on that part and will let it air out in the garage for a while prior to use.
It’s really a shame that something so insignificant overshadows the review of a perfectly useful product.
Great product, brilliant design. Perfect solution!
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Milwaukee Packout Slim Wall/Shelf Mount
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Milwaukee Packout Nesting Insert
Отказ от ответственности. Etsy не несет ответственность за точность, маркировку или содержимое объявлений и товаров продавцов. Электрические и электронные устройства могут стать причиной возгорания или поражения электрическим током. Винтажные, собранные вручную, восстановленные или модифицированные электрические и электронные устройства могут не соответствовать существующим стандартам безопасности — использовать их может быть небезопасно. Внимательно проверьте устройство перед использованием и напишите продавцу, если у вас возникли опасения относительно приобретенного товара. Не используйте винтажные электрические и электронные устройства, если не можете убедиться в безопасности их использования. Чтобы снизить риск возгорания, никогда не оставляйте винтажные электрические и электронные устройства подключенными к электросети без присмотра. Подробнее см. в Условиях использования Etsy.
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Покупатели оплачивают все взимаемые таможенные сборы и импортные пошлины. Продавец не несет ответственности за задержку доставки по вине таможни.
Packout Accessory Box Reciprocating Blade Holders
These 3D printed “combs” are used in conjunction with the packout accessory case that comes with the small Packout toolbox. You can also purchase a set of bins that comes with this organizer from ACME Tool.
These combs allow you to store your reciprocating saw blades neatly separated to protect the blades and so you can see what blades you have at a glance.
The small middle compartment can be used to store 3″ reciprocating blades while the large compartment can store 6″, 9″ or 12″ blades. The 6″ blades can be stored back to back filling an entire “slot.”
I spaced the blade holders so that with the lid closed, the blades should stay put relatively well.
I’ve provided the two files you need to replicate the holder I have pictured. I’ve also provided the openSCAD model that you can modify if you want to modify the holders or even make new holders for different cases.
Print Settings
Printer: Prusa i3 MK3Slicer: PrusaSlicerMaterial: Inland PET-GResolution: 0.3mm with a 0.4mm nozzleWall Lines/Perimeters: 3Infill: 20% Gyroid. The higher infill percentage the stronger the part.Notes:
Instructions
To make the reciprocating blade holder the way it is pictured you need to print one of the “Organizer Middle” and three of the “Organizer Ends.”
I used 3/4″ 3M VHB tape to adhere the holders to the bottom of the Packout accessory case.
To place the holders in the right place, line up the “Organizer Middle” holder in the large compartment and the “Organizer Ends” holder in the middle small compartment with the round sprue in the middle of the case.
The remaining two “Organizer Ends” holders rest up against the notch in the large compartment.
Gallery
Комментарии и мнения владельцев
I was just looking for a solution to this problem. Thank you for posting this! Any chance of making a larger version of your jig-saw blade holder? Maybe using magnets for retention? Or is this a non-starter for some reason I haven’t thought of?
I actually started this project a while ago and was stuck on a method of locking the blade in place. Besides the issue of different blade thicknesses, the tang (the only thing constant like the T-shank) falls in different places depending on how the blade is designed. Come blades have a flat back, others have a hump., and other are curved. It was just to hard to get a consistent fit. The only way I was able to move on was to get rid of the idea of locking blades in place. The blades can move side to side in the combs, but they won’t leave their position, which is good enough for me. Magnets might help keep the blades in place better, but since the blades can’t go anywhere they are just an extra cost.
The Various Parts Of A Reciprocating Saw Explained!
Not all of the parts in this guide may be present on your reciprocating saw; it depends on the type of saw you have and the features it comes with. Corded saws don’t come with battery packs, to give an example.
When it comes right down to the basic parts, though, different types of reciprocating saws will have the same basic parts such that you can switch between them and learn how to use them in no time at all.
The Blade
The blade is the business end of a reciprocating saw and the reason why it’s such a versatile cutting tool in the first place. You have a material you need to cut?
Chances are, there’s a reciprocating saw blade for that.
For regular sized reciprocating saws, most of the blades on the market come anywhere from as short as two inches to as long as 12 inches.
General purpose demolition blades and blades meant for fast wood cutting are the longest ones you will usually find, and these are available at 6 inch or 12-inch lengths. They have coarse teeth with a low teeth-per-inch (TPI) count, which makes them ideal for rough cutting.
Metal cutting blades, on the other hand, are generally on the shorter side. You can find them in the market in lengths as short as 2-3/4 inches to as long as 6 inches.
They have medium to fine teeth, and they also often come in variants that combine carbide tips or carbide coated teeth with steel or alloy for longer cutting life.
Finally, some reciprocating saw blades don’t come with teeth at all. These blades grind instead of rip into the material with the help of carbide-based abrasive grit coatings, or the more expensive diamond grit ones.
Blade Clamp
Reciprocating saws that require tools to change the blade will usually have a blade clamp assembly to securely hold the blade. To change a blade on a reciprocating saw with a blade clamp, first you need to loosen or remove a set screw using a screwdriver or an Allen wrench.
This releases the blade clamp, along with the blade, so you can remove them from the reciprocating shaft. To install a new blade, insert the blade shank from the front between the reciprocating shaft and the blade clamp, put the set screw back in the hole and retighten securely.
Blade Collet or Blade Holder
Reciprocating saws that come with a blade holder or blade collet lets you change blades without the need for tools. Most of them work similarly to the chuck of a drill. To fit a blade to a blade collet, rotate the collet counterclockwise to loosen the chuck.
Then insert the blade into the blade collet. Some models are spring loaded, so you only need to release the collet to secure the blade. Others require you to retighten the collet by rotating it clockwise. In any case, check that the blade is secure by giving it a tug or two.
Blade Pressure Plate
Blade pressure plates secure the blade to the reciprocating shaft between two plates and at least two nuts. You may find these usually on pneumatic reciprocating saws made for industrial cutting.
You need to disassemble and reassemble the bolts and nuts of the pressure plate to change your blades, but once you tighten everything up, that blade is as secure as it gets.
Blade Guard or Shoe
The shoe of the reciprocating saw does more than just help protect your hands from the blade. You can also use them as a leverage point to start plunge cuts.
If you have a tool with an adjustable shoe, you can also use the show to adjust the depth of cut. You can also use it help even out the rate of wear on your blade by setting it forward or backward depending on which part of the blade you want to use more.
Blade Guard / Shoe Locking Button or Lever
Reciprocating saws with adjustable shoes may come with a button or lever that you can press or release to unlock or lock the shoe in place. If your saw doesn’t come with one, you may have a fixed shoe, or you may need tools to adjust it.
Brush Cap
Some reciprocating saw makers use brush caps to give owners access to the carbon brushes on their tools. Most saws that have them will usually have one on either side.
Loosen the brush cap to remove the cap and the worn-out brush. To replace them, simply put the new brush and brush cap in the opening and retighten.
Tool tip: Diablo Blade Storage Tip
Cordless Tool Battery Pack
A cordless reciprocating saw will come with a battery pack, which is usually mounted on the back of the tool or at the bottom of the handle. To detach the battery, find the battery button and press it as you gently pull the battery off.
Dust Shroud and Extraction Tube
Some reciprocating saw models come with dust extraction features, which is usually in the form of a dust shroud that covers the muzzle of the tool.
These shrouds also come with an extraction tube that you can connect to a vacuum so that all dust and debris are sucked away from the front of the tool.
Electrical Cord
Corded reciprocating saws will, of course, come with an electrical cord that you need to plug into an outlet. Some models come with removable electrical cords that you can detach from the tool to facilitate storage and transport.
Hand Grip
Regular size reciprocating saws will usually come with a hand grip just behind the blade guard or muzzle of the tool. These help you hold the tool securely with two hands, while also giving you plenty of grip. You will not usually find a hand grip on compact reciprocating saws designed for one-handed use.
Handle (Rear)
The rear handle of a reciprocating saw usually comes in the form of a D handle or a pistol grip, to give you access to the power trigger and the lock-on switch. The battery packs on the cordless models usually go on the bottom of the handle. Compact reciprocating saws usually come with just the pistol grip.
Lock-on Button
The lock-on button is usually located just above the trigger switch. Pressing this button lets you run the reciprocating saw at its current speed even if you let go of the trigger switch, which can be handy for longer cuts or for cuts that require consistent speed.
Orbital Action Selector (Wheel or Lever)
The orbital action selector lets you select the orbital action setting of the reciprocating saw. Turning on orbital action causes the tool to move the blade in an upwards and downwards motion, in addition to forward and backward.
The tip of the blade follows a semi-elliptical path, hence the name of the feature.
Turning on the orbital action makes the reciprocating saw cut more aggressively, and it also lengthens the stroke length, too. This can significantly speed up rough cutting tasks, especially if you are working with wood or softer materials.
For cutting into metal or ceramic, it’s best to turn the orbital action off.
Speed Range Selector (Wheel or Lever)
The speed range selector is usually placed near the handle. Choosing a speed with the selector sets a maximum speed that the tool will reach, and it will not exceed that speed even if you press the trigger switch all the way inwards.
This can be handy for ensuring that you are doing a slow cut on metal, where overheating the blade can be an issue.
Trigger Switch
Pressing the trigger switch turns the reciprocating saw on, and releasing it turns the tool off.
Aside from turning on the tool, the trigger switch also acts as a variable speed control for the tool – the deeper you press it inward, the faster the tool runs, up to the limit set by the speed range selector.
Electric reciprocating saws usually have the switch inside the rear handle of the tool, while some small pneumatic models have a clip-style switch on top of the tool instead.
Vents
The vents on the side of the tool ensure that the motor can safely circulate heat outside. Make sure that you don’t cover the vents while the tool is in use, to avoid potentially overheating the tool.
Also, check the vent from time to time to see if sparks or burnt odor is coming out of them – these can be signs that you need to change the motor brushes, or you need to lubricate the tool.