GB2053649A - Tractor ballast weight assembly - Google Patents
Tractor ballast weight assembly Download PDFInfo
- Publication number
- GB2053649A GB2053649A GB8015583A GB8015583A GB2053649A GB 2053649 A GB2053649 A GB 2053649A GB 8015583 A GB8015583 A GB 8015583A GB 8015583 A GB8015583 A GB 8015583A GB 2053649 A GB2053649 A GB 2053649A
- Authority
- GB
- United Kingdom
- Prior art keywords
- weights
- weight
- tractor
- clevis
- hole
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/08—Tractors having means for preventing overturning or tipping
- B62D49/085—Counterweight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/01—Traction couplings or hitches characterised by their type
- B60D1/02—Bolt or shackle-type couplings
Abstract
Ballast weights is fitted to the front of a tractor to counter-balance a rear-mounted implement are secured to a frame member 10 on the tractor by bolts 19, there being a hitch clevis 27 fitted into a recess 18 formed in the front surface of the weights, the clevis being secured by bolts 32. The clevis may be secured direct to the frame member 10 when the weights are not required. <IMAGE>
Description
SPECIFICATION
Tractor ballast weight assembly
The invention relates to a front ballast weight assembly for agricultural tractors, and more particularly to such an assembly incorporating a towing point. Such weights are necessary to counterbalance the heavy implements frequently mounted on the rear of the tractor and thus prevent the stability and the steering of the tractor from being dangerously impaired.
Known front ballast weight and towing point assemblies comprise a plurality of weights in the form of contiguous parallel plates clamped to the tractor frame in longitudinal vertical planes, transversely aligned recesses in the front sides of the weights forming a towing mouth, and a semicylindrical groove in each face of each weight, each groove forming together with the adjacent groove in the adjacent plate a cylindrical hole intersecting the towing mouth for the reception of a hitch pin.These known assemblies have the disadvantages that side loading from a drawbar is transmitted back to the weakest section of those weights carrying the hitch pin, which section is located where the weights are clamped to the tractor frame; that the hitch pin is a very loose fit in its hole because considerable clearance is necessary due to the grooves forming said hole being cast; and that there is no towing point available when the weights are not being used.
The object of the present invention is to avoid the aforesaid disadvantages.
According to the invention, a front ballast weight and towing point assembly for an agricultural tractor comprises a plurality of weights in the form of contiguous parallel plates clamped to the tractor frame in longitudinal vertical planes, and a clevis which fits partially within transversely aligned recesses in the front sides of the weights and has upper and lower jaws with vertically aligned holes for the reception of a hitch pin and a rear wall interconnecting said jaws and having at least one hole through which and through an aligned longitudinal hole in one of the weights a bolt is passed to clamp the clevis to the tractor frame.
A preferred embodiment of the invention will now be described, by way of example, with reference to the accompanying drawings of which: Fig. lisa side elevation of a front ballast weight and towing point assembly for an agricultural tractor;
Fig. 2 is a plan view thereof;
Fig. 3 is a front elevation thereof; and
Fig. 4 is a side elevation showing the towing point fitted directly to the tractor when the weights are not being used.
Referring now to Figs. 1 to 3 of the drawings, a transverse member 10, two side members 11 and two lugs 12 are welded together to form a bracket which is secured to the front end of the frame 13 of an agricultural tractor by means of set-screws 14.
Each of a plurality of weights in the form of substantially four-sided cast plates 15 has a recess 16 in its rear side, that part of the weight intended to be disposed above said recess having the form of a claw 17 adapted to be hooked overthetransverse member 10 so that the major portion of the weight is in front of said member. Each weight also has a recess 18 in its front side, and is adapted to be clamped to the transverse member 10 buy a bolt 19 which passes through a longitudinal hole 20 interconnecting the front and rear recesses 18, 16 and engages in one of a row of screw-threaded holes 21 in two longitudinally aligned bars 22 spanning the lower rear edge of the transverse member 10 and an abutment 23 within the rear recess 16 of each weight. The head of the bolt 19 fits within a recess 24.The requisite number of weights to give the desired ballasting effect can thus be assembled in contiguous parallel relationship in longitudinal vertical planes. Each weight is provided with a rectangular aperture 25 near the mid-point of its upper side so that the portion of the weight between said aperture and said side forms a handle 26.
As the weights are identical to one another, the front recesses 18 therein are transversely aligned when a plurality of the weights are assembled in operative position. A clevis fits partially within the transverse groove formed by the aligned front recesses, and projects forwardly from the front sides of the assembled weights. The clevis is a welded structure comprising upper and lower walls 27 constituting jaws in which vertically aligned accurately machined holes 28 are formed forwardly of the front sides of the weights for the reception of a hitch pin (not shown), two strengthening blocks 29, and a rear wall 30 in which there are formed two holes 31 so spaced apart transversely as to be aligned with the respective longitudinal holes 20 in two of the weights.Instead of clamping these two weights to the transverse member 10 by the afore-mentioned bolts 19, two longer bolts 32 are provided which pass through the holes 31 in the rear wall 30 of the clevis as well as the holes 20 in said two weights and engage in the appropriate screw-threaded holes 21 in the bars 22 so as to clamp both the clevis and said two weights to the transverse member 10.
In operation, the assembly has good resistance to side loading from a drawbar due to the manner in which the clevis is supported by a plurality of the weights and clamped to the bracket secured to the tractor frame 13, the whole assembly thus forming a very rigid structure. The hitch pin is a good fit in the vertically aligned holes 28 in the clevis due to said holes being accurately machined. When the weights are not being used because front ballasting is not required, the clevis is clamped directly to the transverse member 10 as shown in Fig. 4 by means oftwo short bolts 33 which pass through the holes 31 as well as two similarly spaced holes 34 formed in the transverse member 10 and engage in two of the screw-threaded holes 21 in one of the bars 22.
In a modification, the two longitudinally aligned bars provided with a row of screw-threaded holes are replaced by a single bar. In another modification, said bars are replaced by a plurality of individual nuts each of which, or a washer on each of which, is adapted to span the lower rear edge of the transverse member and the abutment within the rear
recess of the associated weight.
Claims (5)
1. A front ballast weight and towing point assembly, for an agricultural tractor, comprising a
plurality of weights in the form of contiguous parallel plates clamped to the tractor frame in longitudinal vertical planes, and a clevis which fits partially within transversely aligned recesses in the front sides of the weights and has upper and lower jaws with vertically aligned holes for the reception of a hitch pin and a rear wall interconnecting said jaws and having at least one hole through which and through an aligned longitudinal hole in one ofthe weights a bolt is passed to clamp the clevis to the tractor frame.
2. An assembly according to claim 1, wherein the longitudinal hole is formed in every weight and a bolt is passed through each hole to clamp the associated weight to a bracket secured to the tractor frame and including a transverse member, each such bolt engaging in one of a row of screwthreaded holes in at least one bar located behind said member, and wherein every weight has a claw adapted to be hooked over said member with its major portion in front of said member.
3. An assembly according to either of the preceding claims, wherein each weight is provided with an aperture near its upper side forming a handle.
4. An assembly according to any one of the preceding claims, wherein the clevis can be clamped directly to the tractor frame when the weights are not being used.
5. A front ballast weight and towing point assembly, for an agricultural tractor, constructed, arranged and adapted to operate substantially as
hereinbefore described with reference to, and as
illustrated by, the accompanying drawings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8015583A GB2053649B (en) | 1979-05-16 | 1980-05-12 | Tractors ballast weight assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7916926 | 1979-05-16 | ||
GB8015583A GB2053649B (en) | 1979-05-16 | 1980-05-12 | Tractors ballast weight assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2053649A true GB2053649A (en) | 1981-02-11 |
GB2053649B GB2053649B (en) | 1982-12-15 |
Family
ID=26271534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8015583A Expired GB2053649B (en) | 1979-05-16 | 1980-05-12 | Tractors ballast weight assembly |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2053649B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178938A (en) * | 1985-07-13 | 1987-02-25 | Ian Sturmer Robinson | Tractor front mounted pick-up hitch |
US20120153605A1 (en) * | 2010-12-20 | 2012-06-21 | Caterpillar Inc. | Counterweight system |
US20190126998A1 (en) * | 2017-10-31 | 2019-05-02 | Deere & Company | Attachment assembly for use with a work machine |
EP3643158A3 (en) * | 2018-10-24 | 2020-07-08 | Kubota Corporation | Work vehicle |
-
1980
- 1980-05-12 GB GB8015583A patent/GB2053649B/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178938A (en) * | 1985-07-13 | 1987-02-25 | Ian Sturmer Robinson | Tractor front mounted pick-up hitch |
US20120153605A1 (en) * | 2010-12-20 | 2012-06-21 | Caterpillar Inc. | Counterweight system |
US20190126998A1 (en) * | 2017-10-31 | 2019-05-02 | Deere & Company | Attachment assembly for use with a work machine |
US11027787B2 (en) * | 2017-10-31 | 2021-06-08 | Deere & Company | Attachment assembly for use with a work machine |
US11485432B2 (en) * | 2017-10-31 | 2022-11-01 | Deere & Company | Attachment assembly for use with a work machine |
EP3643158A3 (en) * | 2018-10-24 | 2020-07-08 | Kubota Corporation | Work vehicle |
EP3922093A1 (en) * | 2018-10-24 | 2021-12-15 | Kubota Corporation | Work vehicle with detachable balancing weight |
Also Published As
Publication number | Publication date |
---|---|
GB2053649B (en) | 1982-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |