US3122903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiting clutch
Assignee: Borg Warner Corp
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Filing: 1961-12-15
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Granted: 1964-03-03
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Henry C Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:27
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/21; F16D43/213; F16D43/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A TORQUE LIMITING CLUTCH COMPRISING A DRIVE PLATE ADAPTED TO BE CONNECTED TO A FIRST SHAFT, A PLURALITY OF PRESSURE PLATES, FIRST MEANS ADAPTED TO EXERT A FIRST FORCE TO URGE SAID PRESSURE PLATES TOWARD ENGAGEMENT WITH SAID DRIVE PLATE, A SECOND SHAFT CONNECTED TO SAID PRESSURE PLATES, A TRANSFER LEVER RESPONSIVE TO TORQUE APPLIED BETWEEN SAID FIRST SHAFT AND SAID SECOND SHAFT TO EXERT A SECOND FORCE AGAINST SAID PRESSURE PLATES TO URGE SAID PRESSURE PLATES IN A DIRECTION AWAY FROM ENGAGEMENT WITH SAID DRIVE PLATE; SAID TRANSFER LEVER HAVING A MECHANICAL ADVANTAGE; SAID SECOND FORCE BEING A FUNCTION OF SAID TORQUE AND SAID MECHANICAL ADVANTAGE; AND MEANS TO CHANGE SAID MECHANICAL ADVANTAGE OF SAID TRANSFER LEVER WHEREBY THE MAGNITUDE OF SAID SECOND FORCE CAN BE CHANGED WITH RESPECT TO SAID TORQUE.
Claim 2
Dependent Claim
133 words
A TORQUE LIMITING CLUTCH COMPRISING A DRIVE PLATE ADAPTED TO BE CONNECTED TO A FIRST SHAFT, A PLURALITY OF PRESSURE PLATES, FIRST MEANS ADAPTED TO EXERT A FIRST FORCE TO URGE SAID PRESSURE PLATES TOWARD ENGAGEMENT WITH SAID DRIVE PLATE, A SECOND SHAFT CONNECTED TO SAID PRESSURE PLATES, A TRANSFER LEVER RESPONSIVE TO TORQUE APPLIED BETWEEN SAID FIRST SHAFT AND SAID SECOND SHAFT TO EXERT A SECOND FORCE AGAINST SAID PRESSURE PLATES TO URGE SAID PRESSURE PLATES IN A DIRECTION AWAY FROM ENGAGEMENT WITH SAID DRIVE PLATE; SAID TRANSFER LEVER HAVING A MECHANICAL ADVANTAGE; SAID SECOND FORCE BEING A FUNCTION OF SAID TORQUE AND SAID MECHANICAL ADVANTAGE; AND MEANS TO CHANGE SAID MECHANICAL ADVANTAGE OF SAID TRANSFER LEVER WHEREBY THE MAGNITUDE OF SAID SECOND FORCE CAN BE CHANGED WITH RESPECT TO SAID TORQUE.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |