Patent US5751799A successfully refreshed from Google Patents.
Patent US3221855A successfully refreshed from Google Patents.
US3221855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single revolution clutch mechanism
Assignee: Frederick Post Co
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Filing: 1964-03-11
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Granted: 1965-12-07
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Harry O Newlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:34
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN COMBINATION A SLIP-CLUTCH HAVING A ROTARY DRIVING MEMBER AND A ROTARY DRIVEN MEMBER WITH CONSTANT SLIPFRICTION ENGAGEMENT THEREWBETWEEN, MEANS CONTINUOUSLY TO ROTATE THE DRIVING MEMBER, A DETENT MOVABLE INTO AND OUT OF POSITION TO HOLD THE DRIVEN MEMBER AGAINST ROTATION, MEANS TO BIAS SAID DETENT INTO HOLDING POSITION, ACTIVATABLE CONTROL MEANS COMPRISING A DETENT-RELEASE MEMBER MOVABLE FROM AN INITIAL POSITION UPON INITIATION OF ACTUATION INTO A POSITION TO MOVE SAID DETENT OUT OF HOLDING POSITION, WHEREBY TO FREE SAID DRIVEN MEMBER FOR ROTATION, DETAINABLE MEANS CARRIED BY SAID DRIVEN MEMBER FOR MOVEMENT THEREBY IN A CIRCULAR PATH FROM A POSITION OF RELEASED DETENTION BACK TO SAID POSITION FOR RETENTION BY SAID DETENT, SECOND MEANS CARRIED BY SAID DRIVEN MEMBER TO MOVE SAID RELEASE MEMBER OUT OF DETENT-RELEASING POSITION PRIOR TO COMPLETION OF ONE REVOLUTION OF SAID DRIVEN MEMBER, WHEREBY SAID DETENT IS MOVED BY ITS BIASING MEANS INTO A POSITION HOLDING SAID
Claim 2
Dependent Claim
153 words
IN COMBINATION A SLIP-CLUTCH HAVING A ROTARY DRIVING MEMBER AND A ROTARY DRIVEN MEMBER WITH CONSTANT SLIPFRICTION ENGAGEMENT THEREWBETWEEN, MEANS CONTINUOUSLY TO ROTATE THE DRIVING MEMBER, A DETENT MOVABLE INTO AND OUT OF POSITION TO HOLD THE DRIVEN MEMBER AGAINST ROTATION, MEANS TO BIAS SAID DETENT INTO HOLDING POSITION, ACTIVATABLE CONTROL MEANS COMPRISING A DETENT-RELEASE MEMBER MOVABLE FROM AN INITIAL POSITION UPON INITIATION OF ACTUATION INTO A POSITION TO MOVE SAID DETENT OUT OF HOLDING POSITION, WHEREBY TO FREE SAID DRIVEN MEMBER FOR ROTATION, DETAINABLE MEANS CARRIED BY SAID DRIVEN MEMBER FOR MOVEMENT THEREBY IN A CIRCULAR PATH FROM A POSITION OF RELEASED DETENTION BACK TO SAID POSITION FOR RETENTION BY SAID DETENT, SECOND MEANS CARRIED BY SAID DRIVEN MEMBER TO MOVE SAID RELEASE MEMBER OUT OF DETENT-RELEASING POSITION PRIOR TO COMPLETION OF ONE REVOLUTION OF SAID DRIVEN MEMBER, WHEREBY SAID DETENT IS MOVED BY ITS BIASING MEANS INTO A POSITION HOLDING SAID
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |