Patent US3100974A successfully refreshed from Google Patents.
US3100974A
Expired / Lapsed
US
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Clutch
Assignee: Ford Motor Co
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Filing: 1961-04-28
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Granted: 1963-08-20
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Wilson
- 👤 Brilts Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:39
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/025; F16D41/00; F16D41/22; F16D43/00; F16D43/02; F16D43/20; F16D43/21; F16D43/213; F16D43/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN OVERRUNNING, TORQUE LIMITING CLUTCH COMPRISING: A DRIVING SHAFT, A DRIVING CLUTCH PLATE FIXED THERETO, A COAXIAL DRIVEN SHAFT, A DRIVEN CLUTCH PLATE FIXED THERETO, A PRESSURE PLATE, THE DRIVING PLATE BEING INTERPOSED BETWEEN THE PRESSURE PLATE AND THE DRIVEN PLATE AND THE PRESSURE PLATE BEING CAPABLE OF LIMITED ROTATION ABOUT THE DRIVEN SHAFT AND ADAPTED TO PRESS THE CLUTCH PLATES INTO FRICTIONAL ENGAGEMENT, MEANS RESPONSIVE TO TORQUE FROM THE DRIVING SHAFT IN ONE DIRECTION FOR ANGULARLY DISPLACING THE PRESSURE PLATE DUE TO FRICTIONAL DRAG BETWEEN THE PRESSURE PLATE AND DRIVING PLATE, MEANS RESPONSIVE TO DISPLACEMENT OF THE PRESSURE PLATE FOR PRESSING THE DRIVING PLATE, DRIVEN PLATE AND PRESSURE PLATE TOGETHER, AND MEANS FOR LIMITING THE PRESSURE BETWEEN THE PRESSURE PLATE, DRIVING PLATE AND DRIVEN PLATE CAUSED BY SAID DISPLACEMENT OF THE PRESSURE PLATE.
Claim 2
Dependent Claim
134 words
AN OVERRUNNING, TORQUE LIMITING CLUTCH COMPRISING: A DRIVING SHAFT, A DRIVING CLUTCH PLATE FIXED THERETO, A COAXIAL DRIVEN SHAFT, A DRIVEN CLUTCH PLATE FIXED THERETO, A PRESSURE PLATE, THE DRIVING PLATE BEING INTERPOSED BETWEEN THE PRESSURE PLATE AND THE DRIVEN PLATE AND THE PRESSURE PLATE BEING CAPABLE OF LIMITED ROTATION ABOUT THE DRIVEN SHAFT AND ADAPTED TO PRESS THE CLUTCH PLATES INTO FRICTIONAL ENGAGEMENT, MEANS RESPONSIVE TO TORQUE FROM THE DRIVING SHAFT IN ONE DIRECTION FOR ANGULARLY DISPLACING THE PRESSURE PLATE DUE TO FRICTIONAL DRAG BETWEEN THE PRESSURE PLATE AND DRIVING PLATE, MEANS RESPONSIVE TO DISPLACEMENT OF THE PRESSURE PLATE FOR PRESSING THE DRIVING PLATE, DRIVEN PLATE AND PRESSURE PLATE TOGETHER, AND MEANS FOR LIMITING THE PRESSURE BETWEEN THE PRESSURE PLATE, DRIVING PLATE AND DRIVEN PLATE CAUSED BY SAID DISPLACEMENT OF THE PRESSURE PLATE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |