US3787085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor roll-over protective frame
Assignee: Deere and Co
•
Filing: 1972-06-23
•
Granted: 1974-01-22
•
Expires: 1992-06-23
Abstract
Abstract A tractor roll-over protective frame includes front and rear pairs of upright support members which form the corners of a boxlike framework. A canopy is supported at the top of the framework and fenders are integral with the opposite sides of the framework. The framework also supports an operator''s seat, at its back side, and supports the floor of the operator''s station.
Inventors
- 👤 D Bucher
- 👤 C Christie
- 👤 D Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/13; B60R21/131
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
338 words
In a tractor having a main frame including a rearward transmission housing, a pair of rear axle housings integral with and extending transversely from opposite sides of the transmission housing and a pair of axles respectively rotatably mounted in said housings and having rear wheels fixed thereto, the improvement comprising: first and second transversely spaced, horizontal bottom frame members extending fore-and-aft alongside the opposite sides of said transmission housing and crossing said axle housings; a first pair of mounting means respectively securing said bottom members to said axle housings and a second pair of mounting means respectively securing said bottom members to said transmission housing; first and second upright rear corner frame structures having portions respectively connected to said first and second bottom members and extending upwardly to approximately the level of the tops of the rear wheels, and having upper portions joined to and offset outwardly from the lower portions; first and second upright front corner frame structures respectively including lower portions, having their lower ends connected to said first and second members, and upper portions offset outwardly from and joined to the lower portions by outwardly and upwardly inclined intermediate portions; frame means joining and fixedly spacing the tops of said front and rear upright corner frame structures; a first fender having a vertical porTion forming a side panel extending between and being fixed to lower portions of the first upright front and rear corner frame structures, the side panel having an upper fore-and-aft extending edge blending into an inclined portion having approximately the same slope as and being secured to the intermediate portion of the first front corner frame structure; and a second fender having a vertical portion forming a side panel extending between and being fixed to the lower portions of the second upright front and rear corner frame structures, the side panel having an upper fore-and-aft extending edge blending into an inclined portion having approximately the same slope as and being secured to the intermediate portion of the second front corner frame structure.
Claim 2
Dependent Claim
338 words
In a tractor having a main frame including a rearward transmission housing, a pair of rear axle housings integral with and extending transversely from opposite sides of the transmission housing and a pair of axles respectively rotatably mounted in said housings and having rear wheels fixed thereto, the improvement comprising: first and second transversely spaced, horizontal bottom frame members extending fore-and-aft alongside the opposite sides of said transmission housing and crossing said axle housings; a first pair of mounting means respectively securing said bottom members to said axle housings and a second pair of mounting means respectively securing said bottom members to said transmission housing; first and second upright rear corner frame structures having portions respectively connected to said first and second bottom members and extending upwardly to approximately the level of the tops of the rear wheels, and having upper portions joined to and offset outwardly from the lower portions; first and second upright front corner frame structures respectively including lower portions, having their lower ends connected to said first and second members, and upper portions offset outwardly from and joined to the lower portions by outwardly and upwardly inclined intermediate portions; frame means joining and fixedly spacing the tops of said front and rear upright corner frame structures; a first fender having a vertical porTion forming a side panel extending between and being fixed to lower portions of the first upright front and rear corner frame structures, the side panel having an upper fore-and-aft extending edge blending into an inclined portion having approximately the same slope as and being secured to the intermediate portion of the first front corner frame structure; and a second fender having a vertical portion forming a side panel extending between and being fixed to the lower portions of the second upright front and rear corner frame structures, the side panel having an upper fore-and-aft extending edge blending into an inclined portion having approximately the same slope as and being secured to the intermediate portion of the second front corner frame structure.
Claim 3
Dependent Claim
71 words
The tractor defined in claim 1 wherein said lower portions of said first and second upright rear corner frame structures respectively comprise first and second posts; a U-shaped frame member having a web extending between and being secured to the tops of said posts, said web having opposite ends extending laterally beyond the posts and terminating in upwardly extending legs forming said offset upper portions of said rear corner frame structure.
Claim 4
Dependent Claim
38 words
The tractor defined in claim 2 and further including a seat assembly, said seat assembly including a seat supporting bracket; means securing said supporting bracket to said web; and an operator''s seat being mounted on said supporting bracket.
Claim 5
Dependent Claim
71 words
The tractor defined in claim 3 and further including front and rear pairs of gussets respectively disposed in corners formed by the intersection of and being secured to the first and second pairs of front and rear upright corner support frame structures and the first and second bottom frame members; and said first and second pairs of gussets respectively forming a portion of said first and second pairs of mounting means.
Claim 6
Dependent Claim
32 words
The tractor defined in claim 4 wherein one of each of the first and second gussets are secured to said first fender while the remaining gussets are secured to said second fender.
Claim 7
Dependent Claim
23 words
The tractor defined in claim 1 and further including a floor extending between and being secured to said fore-and-aft extending bottom frame members.
Claim 8
Dependent Claim
65 words
The tractor defined in claim 2 and further including a floor extending between and being secured to said fore-and-aft extending bottom frame members; said floor terminating at a wall extending upwardly therefrom at a location forwardly of said seat assembly; and a seat assembly housing being joined to the upper edge of the vertical wall, the vertical side portions of the fenders and the web.
Claim 9
Dependent Claim
222 words
In a tractor having a main frame including a transmission housing, a pair of rear axle housings integral with and extending transversely from opposite sides of the transmission housing and a pair of axles respectively rotatably mounted in said housings and having rear wheels fixed thereto, the improvement comprising: a roll-over protective frame including first and second rear upright posts spaced transversely from each other and located adjacent respective ones of said axles; first securing means fixing the bottom ends of said posts to said main frame; a U-shaped frame member having a web extending between and being secured to the tops of said posts; said web having opposite ends terminating in upwardly extending legs which, together with said posts, form a pair of upright rear corner frame structures; a seat assembly including a seat supporting bracket; means securing said supporting bracket to said web; an operator''s seat being mounted on said supporting bracket; a front pair of upright corner frame structures respectively arranged in general fore-and-aft alignment with said pair of upright rear corner frame structures; second securing means fixing the bottom ends of said front pair of upright corner frame structures to said tractor main frame; and first and second fenders respectively being integrally fixed to the front and rear upright frame structures at tHe opposite sides of the tractor.
Claim 10
Dependent Claim
222 words
In a tractor having a main frame including a transmission housing, a pair of rear axle housings integral with and extending transversely from opposite sides of the transmission housing and a pair of axles respectively rotatably mounted in said housings and having rear wheels fixed thereto, the improvement comprising: a roll-over protective frame including first and second rear upright posts spaced transversely from each other and located adjacent respective ones of said axles; first securing means fixing the bottom ends of said posts to said main frame; a U-shaped frame member having a web extending between and being secured to the tops of said posts; said web having opposite ends terminating in upwardly extending legs which, together with said posts, form a pair of upright rear corner frame structures; a seat assembly including a seat supporting bracket; means securing said supporting bracket to said web; an operator''s seat being mounted on said supporting bracket; a front pair of upright corner frame structures respectively arranged in general fore-and-aft alignment with said pair of upright rear corner frame structures; second securing means fixing the bottom ends of said front pair of upright corner frame structures to said tractor main frame; and first and second fenders respectively being integrally fixed to the front and rear upright frame structures at tHe opposite sides of the tractor.
Claim 11
Dependent Claim
107 words
The tractor defined in claim 8 wherein the first and second securing means includes a pair of fore-and-aft extending bottom frame members located at the opposite sides of the transmission housing and crossing said axle housings; a first bottom cross member extending between and joining the bottom frame members at respective locations at the lower ends of the front pair of upright frame members; a second bottom cross member extending between and joining the bottom frame members at locations intermediate the first cross member and the rear ends of the bottom frame members; and a floor overlying and being connected to the bottom frame and cross members.
Claim 12
Dependent Claim
156 words
The tractor defined in claim 9 wherein said roll-over protective frame further includes a front pair of upright corner frame structures respectively arranged in general fore-and-aft alignment with said pair of upright rear corner frame structures; second securing means fixing the bottom ends of said front pair of upright corner frame structures to said tractor main frame; first and second securing means including a pair of fore-and-aft extending bottom frame members located at the opposite sides of the transmission housing and crossing said axle housings; a first bottom cross member extending between and joining the bottom frame members at respective locations at the lower ends of the front pair of upright frame members; a second bottom cross member extending between and joining the bottom frame members at locations intermediate the first cross member and the rear ends of the bottom frame members; and a floor overlying and being connected to the bottom frame and cross members.
Claim 13
Dependent Claim
35 words
The invention defined in claim 9 wherein said floor terminates rearwardly at a vertical wall; and a seat assembly housing being integral with the upper edge of the vertical wall, the fenders and the web.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |