US3253685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch and brakes for sewing machine
Assignee: Timken US LLC
•
Filing: 1963-07-25
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Granted: 1966-05-31
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Americo E Marola
- 👤 Norman W Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:58
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/10; D05B69/12; D05B69/125; D05B69/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A SEWING MACHINE OR THE LIKE, A SHAFT, MEANS SUPPORTING THE SHAFT FOR ROTATION, A COMBINED PULLEY AND CLUTCH MEMBER LOOSELY JOURNALED ON THE SHAFT, CONTROL MEANS COMPRISING A DRIVING DOG ADJUSTABLY SECURED TO THE SHAFT, A COLLAR LOOSELY JOURNALED ON THE SHAFT, A BRAKE DRUM MOUNTED ON THE COLLAR, MEANS ADJUSTABLY SECURED TO THE BRAKE DRUM WHICH ENGAGEABLE WITH THE DRIVING DOG, A CLUTCH FACE MOUNTED ON THE BRAKE DRUM AND BEING ENGAGEABLE WITH SAID PULLEY AND CLUTCH MEMBER, A CLUTCH LEVER, MEANS MOUNTING SAID CLUTCH LEVER FOR PIVOTAL MOVEMENT, SAID CLUTCH LEVER BEING OPERATIVELY ENGAGEABLE WITH THE COLLAR, CAM MEANS, AND MEANS MOUNTING SAID CAM MEANS FOR RECIPROCABLE MOVEMENT TO PIVOT SAID CLUTCH LEVER, WHEREBY RECIPROCABLE MOVEMENT OF SAID CAM MEANS CONTROLS THE ENGAGEMENT AND DISENGAGEMENT OF SAID COMBINED PULLEY AND CLUTCH MEMBER WITH SAID SHAFT.
Claim 2
Dependent Claim
139 words
IN A SEWING MACHINE OR THE LIKE, A SHAFT, MEANS SUPPORTING THE SHAFT FOR ROTATION, A COMBINED PULLEY AND CLUTCH MEMBER LOOSELY JOURNALED ON THE SHAFT, CONTROL MEANS COMPRISING A DRIVING DOG ADJUSTABLY SECURED TO THE SHAFT, A COLLAR LOOSELY JOURNALED ON THE SHAFT, A BRAKE DRUM MOUNTED ON THE COLLAR, MEANS ADJUSTABLY SECURED TO THE BRAKE DRUM WHICH ENGAGEABLE WITH THE DRIVING DOG, A CLUTCH FACE MOUNTED ON THE BRAKE DRUM AND BEING ENGAGEABLE WITH SAID PULLEY AND CLUTCH MEMBER, A CLUTCH LEVER, MEANS MOUNTING SAID CLUTCH LEVER FOR PIVOTAL MOVEMENT, SAID CLUTCH LEVER BEING OPERATIVELY ENGAGEABLE WITH THE COLLAR, CAM MEANS, AND MEANS MOUNTING SAID CAM MEANS FOR RECIPROCABLE MOVEMENT TO PIVOT SAID CLUTCH LEVER, WHEREBY RECIPROCABLE MOVEMENT OF SAID CAM MEANS CONTROLS THE ENGAGEMENT AND DISENGAGEMENT OF SAID COMBINED PULLEY AND CLUTCH MEMBER WITH SAID SHAFT.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |