US3100661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick release catches
Assignee: Kenwood Manufacturing Woking Ltd
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Filing: 1960-12-19
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Granted: 1963-08-13
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Knight Peter David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:15
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/599
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A DRIVE COUPLING HAVING TWO COUPLING MEMBERS ROTATABLE ABOUT A COMMON AXIS, A QUICK RELEASE CATCH COMPRISING MEANS DEFINING AN ANNULAR GROOVE ON ONE OF SAID MEMBERS, A FULCRUM PIN CARRIED BY SAID OTHER MEMBER, A LENGTH OF SPRING WIRE LOOPED AROUND SAID FULCRUM PIN AND HAVING A FREE END AND ANCHORED AT A POSITION REMOTE FROM SAID FREE END ON THE OTHER OF SAID MEMBERS SO THAT SUCH FREE END IS PIVOTALLY MOVABLE ABOUT SAID FULCRUM PIN IN A PLANE PERPENDICULAR TO SAID COMMON AXIS AND PASSING THROUGH SAID ANNULAR GROOVE, SAID SPRING WIRE NORMALLY ENGAGING IN SAID ANNULAR GROOVE TO PREVENT RELATIVE AXIAL MOVEMENT OF SAID MEMBERS; A RELEASE RING MOUNTED COAXIALLY WITH SAID MEMBERS SO AS TO BE ROTATABLE ABOUT SAID COMMON AXIS, AND MEANS ON SAID RELEASE RING ENGAGE-
Claim 2
Dependent Claim
134 words
IN A DRIVE COUPLING HAVING TWO COUPLING MEMBERS ROTATABLE ABOUT A COMMON AXIS, A QUICK RELEASE CATCH COMPRISING MEANS DEFINING AN ANNULAR GROOVE ON ONE OF SAID MEMBERS, A FULCRUM PIN CARRIED BY SAID OTHER MEMBER, A LENGTH OF SPRING WIRE LOOPED AROUND SAID FULCRUM PIN AND HAVING A FREE END AND ANCHORED AT A POSITION REMOTE FROM SAID FREE END ON THE OTHER OF SAID MEMBERS SO THAT SUCH FREE END IS PIVOTALLY MOVABLE ABOUT SAID FULCRUM PIN IN A PLANE PERPENDICULAR TO SAID COMMON AXIS AND PASSING THROUGH SAID ANNULAR GROOVE, SAID SPRING WIRE NORMALLY ENGAGING IN SAID ANNULAR GROOVE TO PREVENT RELATIVE AXIAL MOVEMENT OF SAID MEMBERS; A RELEASE RING MOUNTED COAXIALLY WITH SAID MEMBERS SO AS TO BE ROTATABLE ABOUT SAID COMMON AXIS, AND MEANS ON SAID RELEASE RING ENGAGE-
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |