Patent US3243024A successfully refreshed from Google Patents.
US3243024A
Expired / Lapsed
US
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Pressure release drive mechanism
Assignee: Individual
•
Filing: 1963-11-01
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Granted: 1966-03-29
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Randall J Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:53
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206; B; B25; B25B; B25B23/00; B25B23/14; B25B23/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DRIVE MECHANISM COMPRISING A CASING, A DRIVE SHAFT JOURNALED IN SAID CASING, A FIRST CLUTCH ELEMENT ROTATABLY DRIVEN BY SAID DRIVE SHAFT, A DRIVEN SHAFT, A SECOND CLUTCH ELEMENT ON SAID DRIVEN SHAFT ADJACENT SAID FIRST CLUTCH ELEMENT, EACH OF SAID CLUTCH ELEMENTS HAVING AND END SURFACE AND SAID END SURFACES BEING DISPOSED IN FACING RELATION, SPRING MEANS BIASING SAID SECOND CLUTCH ELEMENT TOWARD SAID FIRST CLUTCH ELEMENT FOR ENGAGING SAID CLUTCH ELEMENTS IN RESPONSE TO A FORWARD PRESSURE EXERTED BY THE OPERATOR, THE END SURFACE OF SAID FIRST CLUTCH ELEMENT HAVING AT LEAST ONE RADIAL GROOVE, THE END SURFACE OF SAID SECOND CLUTCH ELEMENT BEING INCLINED, BALL ENGAGING MEANS ON SAID INCLINED SURFACE TERMINAT-
Claim 2
Dependent Claim
116 words
A DRIVE MECHANISM COMPRISING A CASING, A DRIVE SHAFT JOURNALED IN SAID CASING, A FIRST CLUTCH ELEMENT ROTATABLY DRIVEN BY SAID DRIVE SHAFT, A DRIVEN SHAFT, A SECOND CLUTCH ELEMENT ON SAID DRIVEN SHAFT ADJACENT SAID FIRST CLUTCH ELEMENT, EACH OF SAID CLUTCH ELEMENTS HAVING AND END SURFACE AND SAID END SURFACES BEING DISPOSED IN FACING RELATION, SPRING MEANS BIASING SAID SECOND CLUTCH ELEMENT TOWARD SAID FIRST CLUTCH ELEMENT FOR ENGAGING SAID CLUTCH ELEMENTS IN RESPONSE TO A FORWARD PRESSURE EXERTED BY THE OPERATOR, THE END SURFACE OF SAID FIRST CLUTCH ELEMENT HAVING AT LEAST ONE RADIAL GROOVE, THE END SURFACE OF SAID SECOND CLUTCH ELEMENT BEING INCLINED, BALL ENGAGING MEANS ON SAID INCLINED SURFACE TERMINAT-
References Cited (Backward Citations)
US2969132A
Cited
US2957323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |