US4187784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self propelled cable car
Assignee: Individual
•
Filing: 1977-03-07
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Granted: 1980-02-12
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Expires: 1997-03-07
Abstract
Abstract A cable car for traveling along an overhead cable-way, the car having an on-board engine that powers the vehicle to haul itself along the cable-way, the engine rotating a winch drum around which is frictionally grasped a stationary hawling cable which at its oposite ends is suppoted from stationary towers.
Inventors
- 👤 Arthur A. Fernandez
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:13
CPC Classifications
B; B61; B61C; B61C11/00; B61C11/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19335; Y10T74/1934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A self propelled cable car, comprising a combination, a cable car having an enclosed body including flanged wheels mounted on top to be adapted for travel on a cable way, including a motor mounted in said car rotating a drum adapted to receive a hawling cable wound thereon, said drum being designed to receive multiple adjacent coils to increase frictional engagement therebetween, including means for varying the diameter of the drum engaged by said hawling cable, wherein said drum is of conical shape, said drum being engaged by splines to a splined shaft extending therethrough, said splined shaft being rotated by said motor, a flange on said drum being guided in a groove of a nut threadingly engaged on a threaded shaft which through gearing is rotated by a second motor for axially sliding said drum on said splined shaft.
Claim 2
Dependent Claim
140 words
A self propelled cable car, comprising a combination, a cable car having an enclosed body including flanged wheels mounted on top to be adapted for travel on a cable way, including a motor mounted in said car rotating a drum adapted to receive a hawling cable wound thereon, said drum being designed to receive multiple adjacent coils to increase frictional engagement therebetween, including means for varying the diameter of the drum engaged by said hawling cable, wherein said drum is of conical shape, said drum being engaged by splines to a splined shaft extending therethrough, said splined shaft being rotated by said motor, a flange on said drum being guided in a groove of a nut threadingly engaged on a threaded shaft which through gearing is rotated by a second motor for axially sliding said drum on said splined shaft.
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) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |