US3610677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor cab
Assignee: CURTIS TRACTOR CAB Inc
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Filing: 1969-08-14
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Granted: 1971-10-05
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Expires: 1989-08-14
Abstract
Abstract This invention relates to a tractor cab and, more particularly, to apparatus for the protection of a tractor operator from the weather.
Inventors
- 👤 Bradford F Hawley
- 👤 Fred J Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:18
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/13; B60R21/131; B62; B62D; B62D33/00; B62D33/06; B62D33/0617; B62D33/0621
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
162 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels and vertical posts fastened to the fenders, the rear panel of the enclosure beIng hingedly connected to the upper ends of the posts, each post having a forwardly directed flange and the rear panel having a similar flange corresponding to and overlying each of the post flanges, each of the said panel flanges having downwardly extending plates which embrace the upper portion of the corresponding post flange, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 2
Dependent Claim
162 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels and vertical posts fastened to the fenders, the rear panel of the enclosure beIng hingedly connected to the upper ends of the posts, each post having a forwardly directed flange and the rear panel having a similar flange corresponding to and overlying each of the post flanges, each of the said panel flanges having downwardly extending plates which embrace the upper portion of the corresponding post flange, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 3
Dependent Claim
138 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels, the fenders having flat, substantially horizontal surfaces, the rear panel being connected to one plate of a hinge member, the other plate of which is attached to a fender surface, and a brace extending between the hinge plates to limit their angular movement, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 4
Dependent Claim
138 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels, the fenders having flat, substantially horizontal surfaces, the rear panel being connected to one plate of a hinge member, the other plate of which is attached to a fender surface, and a brace extending between the hinge plates to limit their angular movement, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 5
Dependent Claim
156 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels, the fenders having flat, substantially vertical surfaces, a plate being fastened to each surface and terminating at its upper end with a horizontal flange, a pintle being welded to the flange and extending laterally of the tractor, and a post being attached to the rear panel of the enclosure rests on the flange and having a tubular socket to receive the pintle, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 6
Dependent Claim
156 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, the enclosure consisting of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels, b. fenders extending over the rear wheels, the fenders having flat, substantially vertical surfaces, a plate being fastened to each surface and terminating at its upper end with a horizontal flange, a pintle being welded to the flange and extending laterally of the tractor, and a post being attached to the rear panel of the enclosure rests on the flange and having a tubular socket to receive the pintle, and c. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side.
Claim 7
Dependent Claim
103 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, and b. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side, the flexible element being partly formed of chain, partly of cable and including a turnbuckle, a tube of elastomer material contacting said enclosure and extending over a portion of the element to prevent damage to the engine compartment.
Claim 8
Dependent Claim
103 words
A cab for use with a tractor having rear wheels, front wheels, and an engine compartment, comprising a. a main enclosure adapted to extend between the rear wheels and the front wheels and to overlie at least a portion of the compartment, and b. a flexible element extending from the enclosure on one side, under the engine compartment, to the enclosure on the other side, the flexible element being partly formed of chain, partly of cable and including a turnbuckle, a tube of elastomer material contacting said enclosure and extending over a portion of the element to prevent damage to the engine compartment.
Claim 9
Dependent Claim
42 words
A cab as recited in claim 4, wherein the front panel is in the general form of a trapezoid with the large base attached to the roof panel and the smaller base having an elastomer pad which rests on the engine compartment.
Claim 10
Dependent Claim
20 words
A cab as recited in claim 4, wherein one end portion of the enclosure is hingedly attached to the tractor.
Claim 11
Dependent Claim
21 words
A cab as recited in claim 6, wherein the flexible element is located at the other end portion of the enclosure.
Claim 12
Dependent Claim
31 words
A cab as recited in claim 4, wherein the enclosure consists of a rigid front panel having a window, a rigid roof, a rigid rear panel, and two flexible side panels.
Claim 13
Dependent Claim
41 words
A cab as recited in claim 8, wherein the tractor has fenders over the rear wheels, wherein vertical posts are fastened to the fenders, and wherein the rear panel of the enclosure hingedly connected to the upper ends of the posts.
References Cited (Backward Citations)
US2423748A
Cited
US2430442A
Cited
FR1072291A
Cited
GB920069A
Cited
FR1228962A
Cited
US3341247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |