Lawn mower wheel bracket. Lawn Mower Parts

4th August 2023

US2658322A. Adjustable lawn mower handle bracket construction. Google Patents

Publication number US2658322A US2658322A US282051A US28205152A US2658322A US 2658322 A US2658322 A US 2658322A US 282051 A US282051 A US 282051A US 28205152 A US28205152 A US 28205152A US 2658322 A US2658322 A US 2658322A Authority US United States Prior art keywords handle plate mower lug frame Prior art date 1952-04-12 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.) Expired. Lifetime Application number US282051A Inventor William E Sullivan 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.) Savage Arms Corp Original Assignee Savage Arms Corp 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.) 1952-04-12 Filing date 1952-04-12 Publication date 1953-11-10 1952-04-12 Application filed by Savage Arms Corp filed Critical Savage Arms Corp 1952-04-12 Priority to US282051A priority Critical patent/US2658322A/en 1953-11-10 Application granted granted Critical 1953-11-10 Publication of US2658322A publication Critical patent/US2658322A/en 1970-11-10 Anticipated expiration legal-status Critical Status Expired. Lifetime legal-status Critical Current

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Classifications

A — HUMAN NECESSITIES
A01 — AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
A01D — HARVESTING; MOWING
A01D34/00 — Mowers; Mowing apparatus of harvesters
A01D34/01 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
A01D34/412 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
A01D34/42 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
A01D34/62 — Other details

A — HUMAN NECESSITIES
A01 — AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
A01D — HARVESTING; MOWING
A01D2101/00 — Lawn-mowers

A — HUMAN NECESSITIES
A01 — AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
A01D — HARVESTING; MOWING
A01D34/00 — Mowers; Mowing apparatus of harvesters
A01D34/01 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
A01D34/412 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
A01D34/63 — Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
A01D34/82 — Other details
A01D34/824 — Handle arrangements

Description

ADJUSTABLE LAWN MOWER HANDLE BRACKET CONSTRUCTION 2 Sheets-Sheet 2 Filed April 12, 1952 INVENTOR WILLIAM E. SULLIVAN TTORNEYS Patented Nov. 10, 195 3 ADJUSTABLE LAWN MOWER HANDITE BRACKET CONSTRUCTION William Sullivan.s rin.m ,Mass assign ‘lto :Sava’ge Corporation,

This invention relates.to a’bracket for adjusting the angular elevation of a lawn mower handle and has for a particular object to provide’for such adjustment in a power lawn mowerof the type having as a ‘feature of operation provision for manipulating the handle to tilt the-frame rearwardly on the ground engaging roller or forwardly on the mower wheels.

Another object of’the invention is to provide an adjusting bracket pivoted frame to which’th’e lower tip end portions ofthe usual handle braces may be’fixed.

Another object is.to providethis type of adjustment in a powermower, theturnin’g or steering of which may be suitably controlled in large part by pivoting the frame forwardly and rearwardly through use of the handle as a lever.

A further object of the invention is to provide a simplified bracket construction which’may be utilized to maintain a suitable angle’of elevation for the handle whenever adjustment is made in the cutting height of the’mower. 7

These and other objects and advantages of the novel bracket will be apparent’iromthefollowing description takenin conjunction’with the accompanying drawings in which:

Fig1 is an end view of a mower with a portion of the wheel cut away showing a side frame structure with the new handle bracket attached thereto;

Fig. 2 is a similar view showing the mower iramefo-rwardly tilted on the wheels asby leverage applied in raising the mower handle;

Fig. 4 ‘is a plan view of the handle with parts cut away to show details of the bracket and lifting hook connection.

As in Figs. 1-3 a rotary reel type of mower is shown with a substantially rectangular side frame casting or plate I having a wheel 2 mounted with its axis at3 at the forward edge of the plate. A ground engaging roller 4Jis,journailed on a bracket 5 fixed at thelower rear corner of the plate and frame plate I.isrigidly connected to a side frame casting or plateo’f similar formation at the opposite end of the mower. Mounted between the frames is a deck at 6 on which is carried a motor. and drive structure I.

As is well understood in the art the ground roller Amay be-raised or lowered inits relation to the side frame I to lower.or raise afbed’knife fixed between the sideframes as at 8. The height of the bed knife of course determines ‘theihe’ight of cutmade by’the mower. A vertically extenddirectly on the mower ing slotted arm 9 of roller bracket ’55 is iitted againstthe innerside-Offrame plate l at its rear corner and fastened bya bolt Ill.to’ be removably secured in one of a pair of vertically spaced openings ll for the selective positioning-of the roller. The side frames are: swung on the axis Of the wheels ‘to raise or lower the frames as the roller adjustment is altered to adjust the height o’f-cut.

‘R-earwardly with respect to the wheel ‘in the uppersection of thesideirame is a ‘handle pin [2 extending laterally therefrom.in-axial ‘alignment-with a similar pmonan opposite s’ide frame, the pins be’ing adaptedto rcceive’theusual bearing openings at the ends of ‘iorkedha’ndlebraoes of a handle structureAt the-uppenrear corner of the plate is a’lug It.eilsoprojecting laterally to the-same sideof-the plate and adapted-forsupportof a handlelorace for an-upwardly andrear- Wardly disposed ‘operative-position ‘for manipulati-ng the mower.

In the.usual handle construction of the prior art having no provision for adjustment, the free ends’flf a pair ‘o’f’handle bracesare pivoted onthe handle pin connections as 1 2, and the angle-of elevation is determined by the rearwardly.directed handle with the braces resting on the lugs l3. Where’the roller braokets areadjustedto permit a lowmowercuttingheightthe rearend edges of the’ side frames are loweredwith’respect to the roller; and the hand-le ‘thus has a correspondingly lower =angle= of elevation. Wh-en said rear frame edges areraisedby theroller bracket andaflixed inraised-position fer’ahigher cut the handle has a correspondingly higher angle of elevation. Inasmuch as the cutting height-of the bed knife, fixed as at By-may be’varied from approximately 41 dt aninch’to ‘2 /4 inches above the ground level, it wlll’.be seen that the-rear’edgeof a frame-must be swung a proportionately greater distance in order to effect this range of cutting adjustment. And to a corresponding degree the angle of elevation or the handle is affected when=the cutting height is adjusted. The result has-beento place the handle pin connection and, lug support in a position which is at best a compromise, as will be seenwevenfor thepersonofaverage-height.

Most.-‘commonly ‘an operator in guiding the mower’ under power prefers to grasp the handle so that the braces are raised slightly abovethe lugs F3. The pins-antidugs are positionedso ‘as to enable a person of averageheiglitto do this easily. Insu-ch’position ‘the’user may guide the advancing mower faswith ‘a.f’floating handle and the’s’hocks’and’ vibration ofthe frame incident to its movement over a ground surface are not translated to the handle in the same degree as would be the result if the handle were braced against the lug I3. It will also be seen that in an extreme forwardly tilted or high out position of the frames the user may be obliged to raise his arms into an uncomfortably high position so as to free the handle braces from the lugs and eliminate jarring from the frame. In many prior structures a bracing lug is omitted entirely or in the alternative is placed low enough to cause no interference with a high cut position.

The mower, as shown in the attached drawings, however, also utilizes the lug I3 for a desirable and highly convenient feature of operation in that the frame may thereby be rocked rearwardly and supported entirely on the ground roller 4 with the front wheels lifted free of the ground. In this condition the forward motion of the mower wheels may be interrupted without disengaging the driving connection between the motor and wheels. The operator simply depresses the handle downwardly against the frame lugs and may then either turn the mower sharply on the roller or back it away from a tree or other object against which he wishes the grass closely trimmed. The mower may again be propelled forwardly by releasing the downward pressure and re-engaging the wheels with the ground surface. The stopping and starting is done without the awkward manipulation of successively declutching and clutching the power drive.

It is also a desirable feature of operation to enable the operator to exert an upward lifting pressure applying leverage to tilt the frame forwardly on the driving wheels by a hook engagement against the rear edge of lug I3. This feature is of advantage, for example, in guiding the mower up an incline so as to obtain better wheel traction by throwing the weight of the mower frame more directly over the wheels. It is also useful in lifting the roller and bed knife to clear an obstruction such as a stick or rock in the path of the mower which might otherwise damage the cutter blades and bed knife.

It will be appreciated from the above description of mower operation that the hand holds or grips at the outer end of a handle will be swung in a relatively wide arc while manipulating the same for all purposes. And it will also be seen that where the angle of elevation of the handle against lugs I3 is in fixed relation that persons of difierent height will find it awkward in one respect or another to manipulate the handle in all its described operations. For example, where the mower frames are mounted for an extremely low cut with the rear edges of the frames in lowered position, a taller than average person finds it awkward to depress the handle for the turning and backing operations with the frame tilted on the roller since the level of the hand grips may then be somewhere near knee level. Thus the tall person finds he is required to stoop in the event he wishes to pull or drag the mower rearwardly or turn a corner with the traction wheels raised above the ground. Conversely, the short person in guiding the mower adjusted for a high cut with the rear frame edges raised, finds the hand grips must be swung to an uncomfortably high position in maneuvering the handle to engage the hook on the lug and elevate the bed knife and roller to clear an obstruction.

The new bracket of this invention is designed not only to accommodate the mower for its most convenient use by a short or tall person or one of average height, but also to adjust the handle whenever the height of cut is adjusted.

As in Fig. l, the bracket comprises a plate I5 with the inner end section thereof pivotally mounted on the handle pin connection at I2. being held thereon by a cotter pin I6. The inner section of the plate (Fig. l) is supported for a rearwardly inclined position with the lower edge at I3 resting against a forwardly beveled corner I1 of lug I3, said lower edge being parallel to the opposite upper edge at I9. The outer section 20 of the plate is formed with the edges thereof divergently directed from the edges oi the inner section to form a sector-like piece. The angular divergence of the outer edges commences approximately at the level of the deck in this position so that the upper sector section is slightly offset forwardly as will be explained.

Plate I5 is provided with longitudinally spaced openings, an inner opening being centrally of the plate I5 and receiving a bolt and nut fastening as at H. The bolt at 2I is also threaded through an opening in the outer end of a flattened section 22 of handle brace 23. Spaced from the bolt connection at 2| is a bolt connection at 23 fastening the outer end of plate I 5 and inner end of section 22. The bolt of this connection is held in an opening of section 22 and in one of a series of radially spaced openings 25 in the outer section 28. It will be apparent that the angle of elevation of the handle brace may be varied by pivoting the tip end. of the brace on the bolt at 2| and fastening the connection at 24 in any one of the opem’ngs 25 without changing the moments oi force in applying leverage on the side frames through pin I2 and lug I3.

On the bolt at 2I at the other side of plate I5 is pivoted a depending hook plate member 26 having a forwardly facing hook 21 adapted for engagement against the rear edge of lug I3 when the handle is raised as in the position of Fig. 2. In the position of Fig. 1 the hook 21 is spaced from the rear edge and accordingly the handle may be raised free of the lug I3 for the iloating action of the handle in the hands of the user. It will also be noted the handle pin I2, wheel axis 3 and lug I3 are substantially in alignment and since the lug is substantially in a vertical position over the roller 4 leverage by depression of the handle (in the position of Fig. 1) may be applied to easily lift the front wheels 2 off the ground. By swinging the handle to the position of Fig. 2 the handle can be used to lift the roller off the ground.

Hook 26 is provided with a heel portion 28 which may be used to kick the hook upwardly and free of the lug I3 so as to enable the vertical positioning of the handle as illustrated by Fig. 3. The hook 26 is pivoted on the bolt at 2I as shown in Fig. 4 (with the shank 29 of the bolt passing through the registered openings of plate I5 and end section 22), the hook being journaled on an enlarged spacer shoulder 30 for a free swinging action. The handle tongue members 3| and hand grips 32 complete the handle assembly. It will be realized that the upper brace 23 in this view may also be supplied with a hook plate along with the bracket I5, if desired.

In Fig. 3 a parking lug 33 is shown on the frame I forwardly and upwardly of pin I2 and against which the upper edge I9 of the bracket I5 is designed to rest for vertical disposition of the handle. It will also be seen that the oifset outer section 20 of the bracket is angled forwardly of the abutment edge of lug 33. This will insure a vertical disposition of the handle over the mower frame in parking position even when the bolt connection 24 is secured to end section 22 in the lower opening 25 (at the left as in Fig. 3). In the parking position the handle is held against falling rearwardly by the rear edge of hook 2′! bearing against the forward edge of lug IS. The handle may be lowered by the operator kicking the heel 28 upwardly to swing the hook back over the lug in lowering the handle.

In lawn mower construction, in combination, a side frame, a plate member pivotally fixed at its lower end on said side frame, stop members spaced forwardly and rearwardly above said pivotal connection of said plate member and limiting the pivotal swinging movement thereof from a rearwardly inclined position against the rear stop member to an upright position against the forward stop, a hook pivoted to said plate member centrally thereof and extendable rearwardly over said rear stop member, said hook being engageable with said rear stop and confining the pivotal swinging movement; of said plate within limits less than the limits between said stop members, a handle brace pivotally mounted at its tip end centrally of said plate and being connected to said plate inwardly of said tip end of the brace, adjustable means for varying the angular relation of the plate and brace within a limited pivotal swinging path of said brace and means to anchor said brace and plate within the limits of said path for swinging said plate between said stop members.

In a power lawn mower, in combination, a side frame and on said frame a handle pin projecting therefrom, stop lugs spaced forwardly and rearwardly above said pin, a handle plate member mounted at its lower end on said pin and pivotally movable between a rearwardly inclined position against the rear lug and an upright position against the forward lug, a pivot pin on said plate centrally thereof and a hook member carried by said pin and extendable rearwardly above said rear lug with a forwardly facing hook engageable against said lug to confine the pivotal movement of the plate forwardly thereof within limits less than the limits between said lugs, said hook member being movable on said pin to pass above said rear lug forwardly of the same with said plate, a handle brace pivotally mounted at its tip end on said pivot pin of the plate and being connected to said plate inwardly of said tip end of the brace, adjustable means for varying the angular relation of the plate and brace within a limited pivotal path of said brace, and means to anchor said brace to the plate within the limits of said path for swinging said plate on said pivot pin between said lugs.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 392,282 Moyer Nov. 6, 1888 1,486,758 Jerram Mar. 11, 1924 1,969,211 Dohm Aug. 7, 1934

US282051A 1952-04-12 1952-04-12 Adjustable lawn mower handle bracket construction Expired. Lifetime US2658322A ( en )

Priority Applications (1)

Applications Claiming Priority (1)

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We are excited about the exclusive John Deere Easy Change™ 30 second oil change system. Exclusive to John Deere and only available on certain models of the new 100 Series Lawn Tractors. These tractors are designed for ease of use for both operation and maintenance. The John Deere Easy Change™ System (“Easy Change”) allows the user to easily complete the recommended engine oil and filter maintenance in 30 seconds.

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