US3142149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism
Assignee: General Electric Co
•
Filing: 1962-05-16
•
Granted: 1964-07-28
•
Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Carl V Hays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:09
CPC Classifications
F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/06114; F03G7/064; F03G7/0641; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1556; Y10T74/1558; Y10T74/1577; Y10T74/1581; Y10T74/1582; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/21; Y10T74/2133; Y10T74/2136; Y10T74/2137; Y10T74/2138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A DRIVE MECHANISM COMPRISING A ROTATABLY MOUNTED RATCHET, AN ELONGATED ARM, SUPPORT MEANS RIGIDLY MOUNTING SAID ARM AT ONE END SO THAT THE ARM EXTENDS GENERALLY PERPENDICULAR TO THE AXIS OF ROTATION OF SAID RATCHET FOR MOVEMENT TOWARDS AND AWAY FROM SAID RATCHET, A PAIR OF GENERALLY PARALLEL ELEMENTS ON THE ARM ADJACENT THE FREE END THEREOF AND SPACED LONGITUDINALLY OF THE ARM, SAID ELEMENTS HAVING FREE ENDS ENGAGING SUBSTANTIALLY DIAMETRICALLY OPPOSED TEETH OF THE RATCHET, THE FREE ENDS OF SAID ELEMENTS FORMING RESPECTIVELY OBTUSE AND ACUTE ANGLES WITH THE MAIN LENGTHS THEREOF SO THAT THE OBTUSE ELEMENT ROTATES THE RATCHET IN ONE DIRECTION AS THE ARM IS MOVED TOWARD THE RATCHET, AND THE ACUTE ELEMENT ROTATES THE RATCHET IN SAID ONE DIRECTION AS THE ARM IS MOVED AWAY FROM THE RATCHET, A THERMALLY EXPANSIBLE WIRE CONNECTED TO THE FREE END OF SAID ARM AND TO SAID SUPPORT MEANS TO DEFLECT SAID ARM AWAY FROM SAID RATCHET WHEN COOL AND UNEXPANDED, AND MEANS FOR PERIODICALLY PASSING ELECTRIC CURRENT THROUGH SAID WIRE.
Claim 2
Dependent Claim
171 words
A DRIVE MECHANISM COMPRISING A ROTATABLY MOUNTED RATCHET, AN ELONGATED ARM, SUPPORT MEANS RIGIDLY MOUNTING SAID ARM AT ONE END SO THAT THE ARM EXTENDS GENERALLY PERPENDICULAR TO THE AXIS OF ROTATION OF SAID RATCHET FOR MOVEMENT TOWARDS AND AWAY FROM SAID RATCHET, A PAIR OF GENERALLY PARALLEL ELEMENTS ON THE ARM ADJACENT THE FREE END THEREOF AND SPACED LONGITUDINALLY OF THE ARM, SAID ELEMENTS HAVING FREE ENDS ENGAGING SUBSTANTIALLY DIAMETRICALLY OPPOSED TEETH OF THE RATCHET, THE FREE ENDS OF SAID ELEMENTS FORMING RESPECTIVELY OBTUSE AND ACUTE ANGLES WITH THE MAIN LENGTHS THEREOF SO THAT THE OBTUSE ELEMENT ROTATES THE RATCHET IN ONE DIRECTION AS THE ARM IS MOVED TOWARD THE RATCHET, AND THE ACUTE ELEMENT ROTATES THE RATCHET IN SAID ONE DIRECTION AS THE ARM IS MOVED AWAY FROM THE RATCHET, A THERMALLY EXPANSIBLE WIRE CONNECTED TO THE FREE END OF SAID ARM AND TO SAID SUPPORT MEANS TO DEFLECT SAID ARM AWAY FROM SAID RATCHET WHEN COOL AND UNEXPANDED, AND MEANS FOR PERIODICALLY PASSING ELECTRIC CURRENT THROUGH SAID WIRE.
References Cited (Backward Citations)
DE360334C
Cited
US1881884A
Cited
DE382494C
Cited
FR624299A
Cited
US1743478A
Cited
US2203719A
Cited
GB637763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |