US3249187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One way positive clutch connected in parallel with overload release friction coupling
Assignee: Motors Liquidation Co
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Filing: 1964-02-26
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Granted: 1966-05-03
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Mcdowall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:56
CPC Classifications
F; F16; F16D; F16D45/00; F16D47/00; F16D47/04; F16D7/00; F16D7/02; F16D7/024; F16D7/025; F16D7/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SAFETY COUPLING COMPRISING, IN COMBINATION, A FIRST ROTATABLE END MEMBER, A SECOND END MEMBER ROTATABLE COAXIALLY WITH THE FIRST END MEMBER, FIRST AND SECOND INTERMEDIATE MEMBERS ROTATABLE COAXIALLY WITH THE END MEMBERS, SPLINE MEANS MOUNTING THE FIRST INTERMEDIATE MEMBER ON THE FIRST END MEMBER FOR MOVEMENT AXIALLY THEREOF, A POSITIVE CLUTCH BETWEEN THE FIRST INTERMEDIATE MEMBER AND THE SECOND END MEMBER ENGAGEABLE AND DISENGAGEABLE BY SAID AXIAL MOVEMENT, THE POSITIVE CLUTCH INCLUDING MEANS BIASING THE CLUTCH INTO ENGAGEMENT IN RESPONSE TO TORQUE THROUGH THE POSITIVE CLUTCH IN ONE DIRECTION AND OUT OF ENGAGEMENT IN RESPONSE TO SUCH TORQUE IN THE OTHER DIRECTION, THE BIASING MEANS MAINTAINING THE POSITIVE CLUTCH IN ENGAGEMENT WHEN TORQUE BETWEEN THE FIRST AND SECOND MEMBERS IS IN THE SAID ONE DIRECTION AND DISENGAGING THE POSITIVE CLUTCH WHEN TORQUE IS IN THE SAID OTHER DIRECTION,
Claim 2
Dependent Claim
139 words
A SAFETY COUPLING COMPRISING, IN COMBINATION, A FIRST ROTATABLE END MEMBER, A SECOND END MEMBER ROTATABLE COAXIALLY WITH THE FIRST END MEMBER, FIRST AND SECOND INTERMEDIATE MEMBERS ROTATABLE COAXIALLY WITH THE END MEMBERS, SPLINE MEANS MOUNTING THE FIRST INTERMEDIATE MEMBER ON THE FIRST END MEMBER FOR MOVEMENT AXIALLY THEREOF, A POSITIVE CLUTCH BETWEEN THE FIRST INTERMEDIATE MEMBER AND THE SECOND END MEMBER ENGAGEABLE AND DISENGAGEABLE BY SAID AXIAL MOVEMENT, THE POSITIVE CLUTCH INCLUDING MEANS BIASING THE CLUTCH INTO ENGAGEMENT IN RESPONSE TO TORQUE THROUGH THE POSITIVE CLUTCH IN ONE DIRECTION AND OUT OF ENGAGEMENT IN RESPONSE TO SUCH TORQUE IN THE OTHER DIRECTION, THE BIASING MEANS MAINTAINING THE POSITIVE CLUTCH IN ENGAGEMENT WHEN TORQUE BETWEEN THE FIRST AND SECOND MEMBERS IS IN THE SAID ONE DIRECTION AND DISENGAGING THE POSITIVE CLUTCH WHEN TORQUE IS IN THE SAID OTHER DIRECTION,
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |