Patent US3108481A successfully refreshed from Google Patents.
US3108481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forward and reverse belt drive
Assignee: Individual
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Filing: 1960-06-13
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Granted: 1963-10-29
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 George A Westmont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16; F16H9/18; F16H2712/00; Y; Y10; Y10S; Y10S280/00; Y10S280/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A POWER TRAIN FOR A MOTOR DRIVEN VEHICLE COMPRISING IN COMBINATION A DRIVE SHAFT, A DRIVING PULLEY COMPRISING CENTRIFUGAL CLUTCH MEANS AFFIXED TO SAID DRIVE SHAFT, SAID PULLEY BEING ENGAGED BY MEANS OF SAID CLUTCH TO ROTATE WITH SAID SHAFT AT SPEEDS GREATER THAN MOTOR IDLE SPEED, A PULLEY FIXED ON SAID DRIVE SHAFT, A DRIVEN SHAFT, A DRIVEN PULLEY MOUNTED ON SAID DRIVEN SHAFT, BELT MEANS OPERABLY CONNECTING SAID DRIVEN PULLEY, AND SAID DRIVING PULLEY, A PULLEY FIXED ON THE DRIVEN SHAFT, A MANUALLY BIASABLE IDLER PULLEY DISPOSED TO BE MOVED IN A PLANE WITH SAID TWO FIXED PULLEYS, POWER TRANSMISSION BELT MEANS OPERABLY CONNECTING SAID PULLEY FIXED ON SAID DRIVE SHAFT AND SAID IDLER PULLEY AND DISPOSABLE AGAINST SAID PULLEY FIXED ON SAID DRIVEN SHAFT BY OPERABLE BIASING OF SAID IDLER PULLEY SO AS TO LOAD SAID DRIVE SHAFT TO CAUSE IT TO SLOW IN ROTATION UNTIL SAID CENTRIFUGAL CLUTCH MEANS DISENGAGES AND TO OPPOSITELY ROTATE SAID DRIVEN SHAFT RELATIVE TO SAID DRIVE SHAFT AFTER SAID CLUTCH DISENGAGES.
Claim 2
Dependent Claim
170 words
A POWER TRAIN FOR A MOTOR DRIVEN VEHICLE COMPRISING IN COMBINATION A DRIVE SHAFT, A DRIVING PULLEY COMPRISING CENTRIFUGAL CLUTCH MEANS AFFIXED TO SAID DRIVE SHAFT, SAID PULLEY BEING ENGAGED BY MEANS OF SAID CLUTCH TO ROTATE WITH SAID SHAFT AT SPEEDS GREATER THAN MOTOR IDLE SPEED, A PULLEY FIXED ON SAID DRIVE SHAFT, A DRIVEN SHAFT, A DRIVEN PULLEY MOUNTED ON SAID DRIVEN SHAFT, BELT MEANS OPERABLY CONNECTING SAID DRIVEN PULLEY, AND SAID DRIVING PULLEY, A PULLEY FIXED ON THE DRIVEN SHAFT, A MANUALLY BIASABLE IDLER PULLEY DISPOSED TO BE MOVED IN A PLANE WITH SAID TWO FIXED PULLEYS, POWER TRANSMISSION BELT MEANS OPERABLY CONNECTING SAID PULLEY FIXED ON SAID DRIVE SHAFT AND SAID IDLER PULLEY AND DISPOSABLE AGAINST SAID PULLEY FIXED ON SAID DRIVEN SHAFT BY OPERABLE BIASING OF SAID IDLER PULLEY SO AS TO LOAD SAID DRIVE SHAFT TO CAUSE IT TO SLOW IN ROTATION UNTIL SAID CENTRIFUGAL CLUTCH MEANS DISENGAGES AND TO OPPOSITELY ROTATE SAID DRIVEN SHAFT RELATIVE TO SAID DRIVE SHAFT AFTER SAID CLUTCH DISENGAGES.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |