US3191732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque responsive clutch with limited torque in one direction and unlimited torque in the opposite direction
Assignee: Motors Liquidation Co
•
Filing: 1960-09-12
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Granted: 1965-06-29
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Charles J Mcdowall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07; F16D43/00; F16D43/02; F16D43/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SAFETY COUPLING COMPRISING, IN COMBINATION, FIRST AND SECOND RELATIVELY ROTATABLE MEMBERS, A THIRD MEMBER HAVING A POSITIVE BIDERICTIONAL CLUTCH CONNECTION WITH THE SECOND MEMBER DISENGAGEABLE BY AXIAL MOVEMENT OF THE THIRD MEMBER, A TORQUE-TRANSMITTING CONNECTION BETWEEN THE FIRST MEMBER AND THE THIRD MEMBER BIASING THE POSITIVE CLUTCH INTO AND OUT ENGAGEMENT IN RESPONSE TO THE DIRECTION OF TORQUE BETWEEN THE FIRST AND THIRD MEMBERS ONLY, MEANS BIASING THE THIRD MEMBER IN BOTH DIRECTIONS
Claim 2
Dependent Claim
74 words
A SAFETY COUPLING COMPRISING, IN COMBINATION, FIRST AND SECOND RELATIVELY ROTATABLE MEMBERS, A THIRD MEMBER HAVING A POSITIVE BIDERICTIONAL CLUTCH CONNECTION WITH THE SECOND MEMBER DISENGAGEABLE BY AXIAL MOVEMENT OF THE THIRD MEMBER, A TORQUE-TRANSMITTING CONNECTION BETWEEN THE FIRST MEMBER AND THE THIRD MEMBER BIASING THE POSITIVE CLUTCH INTO AND OUT ENGAGEMENT IN RESPONSE TO THE DIRECTION OF TORQUE BETWEEN THE FIRST AND THIRD MEMBERS ONLY, MEANS BIASING THE THIRD MEMBER IN BOTH DIRECTIONS
References Cited (Backward Citations)
US2068869A
Cited
US1618479A
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GB354711A
Cited
US2181541A
Cited
US2343312A
Cited
US2399568A
Cited
US2750019A
Cited
US2728252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |