US3122931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
tibbling
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:52
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; F; F16; F16D; F16D13/00; F16D13/02; F16D13/025; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN COMBINATION WITH A SPRING CLUTCH MECHANISM, SAID MECHANISM COMPRISING COAXIALLY ALIGNED DRIVING AND DRIVEN DRUMS RESPECTIVELY MOUNTED FOR ROTATION INDEPENDENTLY OF EACH OTHER ABOUT THEIR COMMON AXIS, A HELICAL CLUTCH SPRING OPERATIVELY DISPOSED ABOUT SAID DRUMS TO SELECTIVELY INTERCONNECT THEM FOR ROTATION TOGETHER, A RATCHET TOOTHED CONTROL WHEEL CARRIED BY SAID MECHANISM FOR ROTATION COAXIALLY WITH AND WITH RESPECT TO SAID DRUMS, THE OPPOSITE ENDS OF SAID SPRING BEING CONNECTED RESPECTIVELY TO SAID DRIVEN DRUM AND SAID CONTROL ELEMENT, A CONTROL CAM CONNECTED TO SAID DRIVEN DRUM FOR ROTATION THEREWITH, MEANS DEFINING A RADIALLY PROJECTING LOBE ON SAID CAM, LEVER MEANS HAVING A FIXED FULCRUM ADJACENT THE CAM, SAID LEVER MEANS INCLUDING A SENSING ARM HAVING A FOLLOWER IN OPERATIVE ENGAGEMENT WITH SAID CAM, A CONTROL ARM EXTENDING ADJACENT SAID CONTROL WHEEL, AND A PAWL CARRIED BY SAID CONTROL ARM FOR OPERATIVE ENGAGEMENT WITH SAID RATCHET WHEEL UNDER THE CONTROL OF SAID CAM AND CONTROL ARM TO ARREST THE ROTATION OF SAID WHEEL.
Claim 2
Dependent Claim
164 words
IN COMBINATION WITH A SPRING CLUTCH MECHANISM, SAID MECHANISM COMPRISING COAXIALLY ALIGNED DRIVING AND DRIVEN DRUMS RESPECTIVELY MOUNTED FOR ROTATION INDEPENDENTLY OF EACH OTHER ABOUT THEIR COMMON AXIS, A HELICAL CLUTCH SPRING OPERATIVELY DISPOSED ABOUT SAID DRUMS TO SELECTIVELY INTERCONNECT THEM FOR ROTATION TOGETHER, A RATCHET TOOTHED CONTROL WHEEL CARRIED BY SAID MECHANISM FOR ROTATION COAXIALLY WITH AND WITH RESPECT TO SAID DRUMS, THE OPPOSITE ENDS OF SAID SPRING BEING CONNECTED RESPECTIVELY TO SAID DRIVEN DRUM AND SAID CONTROL ELEMENT, A CONTROL CAM CONNECTED TO SAID DRIVEN DRUM FOR ROTATION THEREWITH, MEANS DEFINING A RADIALLY PROJECTING LOBE ON SAID CAM, LEVER MEANS HAVING A FIXED FULCRUM ADJACENT THE CAM, SAID LEVER MEANS INCLUDING A SENSING ARM HAVING A FOLLOWER IN OPERATIVE ENGAGEMENT WITH SAID CAM, A CONTROL ARM EXTENDING ADJACENT SAID CONTROL WHEEL, AND A PAWL CARRIED BY SAID CONTROL ARM FOR OPERATIVE ENGAGEMENT WITH SAID RATCHET WHEEL UNDER THE CONTROL OF SAID CAM AND CONTROL ARM TO ARREST THE ROTATION OF SAID WHEEL.
References Cited (Backward Citations)
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US2343297A
Cited
US2595213A
Cited
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Cited
US3021512A
Cited
US2975648A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |