Patent US1757761A successfully refreshed from Google Patents.
US3885643A
Expired / Lapsed
US
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Elevatable cab for vehicles
Assignee: Unit Rig and Equipment Co
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Filing: 1970-07-31
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Granted: 1975-05-27
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Expires: 1990-07-31
Abstract
Abstract An elevatable cab structure for vehicles of relatively low overall height such as vehicles for towing extremely large aircraft. The vehicle cab is particularly designed and constructed for being lowered for facilitating passage of the vehicle beneath the aircraft and into the towing position with respect thereto and being elevated or moved to a raised position during a towing operation.
Inventors
- 👤 Edgar R Goodbary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:27
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/06; B62D33/063; B62D33/0636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
In combination with a steerable vehicle having a substantially horizontal platform secured thereto, a cab section movably secured to the vehicle and disposed above the platform, the cab section comprising an outer housing having a substantially vertical backwall secured thereto and operator controls and control lines disposed therein, horizontal shoulder means provided on the upper portion of the vertical backwall, elongated power fluid piston means having one end thereof pivotally secured to the shoulder means and the opposite end being pivotally secured to the platform for transmitting reciprocal vertical movement to the cab section, vertically disposed track and roller means cooperating between the backwall of the cab section and the vehicle for guiding the vertical movement of the cab section and for providing cantilever support to the cab section when said cab section is raised above the platform, and including an elongated channel means pivotally secured at one end thereof to the lower portion of the cab section, the opposite end of said channel means being slidably disposed against the platform for the protection of the operator control lines extending from the cab section to the vehicle during the raising and lowering of the cab section.
Claim 2
Dependent Claim
196 words
In combination with a steerable vehicle having a substantially horizontal platform secured thereto, a cab section movably secured to the vehicle and disposed above the platform, the cab section comprising an outer housing having a substantially vertical backwall secured thereto and operator controls and control lines disposed therein, horizontal shoulder means provided on the upper portion of the vertical backwall, elongated power fluid piston means having one end thereof pivotally secured to the shoulder means and the opposite end being pivotally secured to the platform for transmitting reciprocal vertical movement to the cab section, vertically disposed track and roller means cooperating between the backwall of the cab section and the vehicle for guiding the vertical movement of the cab section and for providing cantilever support to the cab section when said cab section is raised above the platform, and including an elongated channel means pivotally secured at one end thereof to the lower portion of the cab section, the opposite end of said channel means being slidably disposed against the platform for the protection of the operator control lines extending from the cab section to the vehicle during the raising and lowering of the cab section.
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) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |