US3200915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
No-back mechanism for small synchronous motors
Assignee: GENERAL TIME CONTROLS Inc 135 SOUTH MAIN ST THOMASTON CT 06787 A CORP OF DE
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Filing: 1962-11-20
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Granted: 1965-08-17
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S Lundin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:21
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/118; H02K7/1185; F; F16; F16D; F16D41/00; F16D41/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A NO-BACK MECHANISM FOR USE WITH A SMALL SYNCHRONOUS MOTOR CAPABLE OF STARTING IN EITHER DIRECTION, THE COMBINATION COMPRISING A FRAME, A DRIVEN GEAR HAVING A SET OF INTERNAL RATCHET TEETH, A PAWL HAVING A TIP AND A BODY PORTION WITH THE BODY PORTION BEING PIVOTED ON THE FRAME ECCENTRICALLY WITH RESPECT TO THE DRIVEN GEAR, AND OPERATING MEANS INTERPOSED BETWEEN THE DRIVEN GEAR AND THE BODY OF THE PAWL INCLUDING A FRICTION CONNECTION FOR ROCKING THE PAWL INTO INTERFERING RELATION WITH THE RATCHET TEETH WHEN THE GEAR IS ROTATED IN THE "WRONG," DIRECTION FOR REBOUND OF THE GEAR AND CONNECTED MOTOR IN THE "RIGH" DIRECTION, THE PAWL AND OPERATING MEANS BEING TOTALLY ENCLOSED WITHIN THE SPACE WITHIN THE GEAR DEFINED BY THE RATCHET TEETH.
Claim 2
Dependent Claim
126 words
IN A NO-BACK MECHANISM FOR USE WITH A SMALL SYNCHRONOUS MOTOR CAPABLE OF STARTING IN EITHER DIRECTION, THE COMBINATION COMPRISING A FRAME, A DRIVEN GEAR HAVING A SET OF INTERNAL RATCHET TEETH, A PAWL HAVING A TIP AND A BODY PORTION WITH THE BODY PORTION BEING PIVOTED ON THE FRAME ECCENTRICALLY WITH RESPECT TO THE DRIVEN GEAR, AND OPERATING MEANS INTERPOSED BETWEEN THE DRIVEN GEAR AND THE BODY OF THE PAWL INCLUDING A FRICTION CONNECTION FOR ROCKING THE PAWL INTO INTERFERING RELATION WITH THE RATCHET TEETH WHEN THE GEAR IS ROTATED IN THE "WRONG," DIRECTION FOR REBOUND OF THE GEAR AND CONNECTED MOTOR IN THE "RIGH" DIRECTION, THE PAWL AND OPERATING MEANS BEING TOTALLY ENCLOSED WITHIN THE SPACE WITHIN THE GEAR DEFINED BY THE RATCHET TEETH.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |