US3157142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive means for sewing machines
Assignee: Singer Co
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Filing: 1961-08-29
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Granted: 1964-11-17
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Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Birch Robert Rule
- 👤 Zylbert Thaddeus Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:29
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/10; D05B69/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A SEWING MACHINE HAVING A FRAME AND A MAIN SHAFT JOURNALED IN SAID FRAME, A MOTOR HAVING A DRIVE SHAFT DISPOSED ON AN AXIS PARALLEL TO THE AXIS OF THE MAIN SHAFT, PULLEYS ON SAID MAIN SHAFT AND SAID DRIVE SHAFT, A BELT ENTRAINED ABOUT SAID PULLEYS, AND MEANS FOR MOUNTING SAID MOTOR IN SAID FRAME FOR ADJUSTMENT OF SAID DRIVE SHAFT RELATIVELY TO THE MAIN SHAFT TO TIGHTEN SAID BELT COMPRISING A MOTOR CARRYING MEMBER, MEANS FOR SECURING THE MOTOR TO SAID MOTOR CARRYING MEMBER, SAID MEMBER HAVING A SLOT, A FASTENING ELEMENT EXTENDING THROUGH SAID SLOT AND INTO SAID FRAME FOR RELEASABLY SECURING SAID MEMBER TO SAID FRAME, AND AN ECCENTRIC ON SAID FASTENING ELEMENT AND RELEASABLY SECURED BY THE SAME IN ANGULARLY ADJUSTED POSITION, SAID ECCENTRIC BEING DISPOSED IN OPERATIVE ENGAGEMENT WITH SAID MOTOR CARRYING MEMBER FOR PREVENTING DISPLACEMENT OF SAID MOTOR AWAY FROM SAID MAIN SHAFT AND THEREBY DEFINING A STOP POSITION AND FOR ADJUSTMENT OF THE STOP POSITION UPON ANGULAR ADJUSTMENT OF SAID ECCENTRIC ABOUT THE AXIS OF SAID FASTENING ELEMENT.
Claim 2
Dependent Claim
177 words
IN A SEWING MACHINE HAVING A FRAME AND A MAIN SHAFT JOURNALED IN SAID FRAME, A MOTOR HAVING A DRIVE SHAFT DISPOSED ON AN AXIS PARALLEL TO THE AXIS OF THE MAIN SHAFT, PULLEYS ON SAID MAIN SHAFT AND SAID DRIVE SHAFT, A BELT ENTRAINED ABOUT SAID PULLEYS, AND MEANS FOR MOUNTING SAID MOTOR IN SAID FRAME FOR ADJUSTMENT OF SAID DRIVE SHAFT RELATIVELY TO THE MAIN SHAFT TO TIGHTEN SAID BELT COMPRISING A MOTOR CARRYING MEMBER, MEANS FOR SECURING THE MOTOR TO SAID MOTOR CARRYING MEMBER, SAID MEMBER HAVING A SLOT, A FASTENING ELEMENT EXTENDING THROUGH SAID SLOT AND INTO SAID FRAME FOR RELEASABLY SECURING SAID MEMBER TO SAID FRAME, AND AN ECCENTRIC ON SAID FASTENING ELEMENT AND RELEASABLY SECURED BY THE SAME IN ANGULARLY ADJUSTED POSITION, SAID ECCENTRIC BEING DISPOSED IN OPERATIVE ENGAGEMENT WITH SAID MOTOR CARRYING MEMBER FOR PREVENTING DISPLACEMENT OF SAID MOTOR AWAY FROM SAID MAIN SHAFT AND THEREBY DEFINING A STOP POSITION AND FOR ADJUSTMENT OF THE STOP POSITION UPON ANGULAR ADJUSTMENT OF SAID ECCENTRIC ABOUT THE AXIS OF SAID FASTENING ELEMENT.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |