Patent US3230739A successfully refreshed from Google Patents.
US3230739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip clutch
Assignee: Clevite Industries Inc
•
Filing: 1963-05-23
•
Granted: 1966-01-25
•
Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Ross E Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:41
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A TORQUE TRANSMISSION DEVICE COMPRISING: A DRIVEN MEMBER OF RESILIENT MATERIAL ROTATABLE ABOUT AN AXIS; A DRIVING MEMBER ENGAGING SAID DRIVEN MEMBER AND ROTATABLY ABOUT SAID AXIS; ONE OF SAID MEMBER HAVING A RECESS IN ITS ENGAGING FACE AND THE OTHER OF SAID MEMBERS HAVING A PROJECTING LUG PROJECTING INTO SAID RECESS FORMING A YIELDABLE DRIVING CONNECTION BETWEEN SAID MEMBERS RELEASABLE AXIALLY DURING EXCESSIVE TORQUE CONDITIONS TO PERMIT RELATIVE FRICTIONAL SLIPPAGE OF ADJACENT ENGAGING SURFACES OF SAID MEMBER AND TO CAUSE SAID ENGAGING SURFACES TO MOVE APART AXIALLY; AND AT LEAST ONE LUBRICATION PORT IN ONE OF
Claim 2
Dependent Claim
97 words
A TORQUE TRANSMISSION DEVICE COMPRISING: A DRIVEN MEMBER OF RESILIENT MATERIAL ROTATABLE ABOUT AN AXIS; A DRIVING MEMBER ENGAGING SAID DRIVEN MEMBER AND ROTATABLY ABOUT SAID AXIS; ONE OF SAID MEMBER HAVING A RECESS IN ITS ENGAGING FACE AND THE OTHER OF SAID MEMBERS HAVING A PROJECTING LUG PROJECTING INTO SAID RECESS FORMING A YIELDABLE DRIVING CONNECTION BETWEEN SAID MEMBERS RELEASABLE AXIALLY DURING EXCESSIVE TORQUE CONDITIONS TO PERMIT RELATIVE FRICTIONAL SLIPPAGE OF ADJACENT ENGAGING SURFACES OF SAID MEMBER AND TO CAUSE SAID ENGAGING SURFACES TO MOVE APART AXIALLY; AND AT LEAST ONE LUBRICATION PORT IN ONE OF
References Cited (Backward Citations)
US2164485A
Cited
US2501648A
Cited
US2564605A
Cited
US2560427A
Cited
US2477521A
Cited
US2729076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |