US3623378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutching apparatus
Assignee: Fedders Corp
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Filing: 1970-04-06
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Granted: 1971-11-30
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Expires: 1990-04-06
Abstract
Abstract CLUTCHING APPARATUS EMPLOYS THE REACTION TORQUE OF A REVERSIBLE MOTOR TO TENSION A BELT FOR DRIVING ENGAGEMENT WITH THE MOTOR WHEN THE MOTOR OPERATES IN A FIRST DIRECTION OF ROTATION AND TO RELEASE THE BELT FROM DRIVING ENGAGEMENT WITH THE MOTOR WHEN THE MOTOR OPERATE IN A SECOND DIRECTION OF ROTATION. THE MOTOR FRAME IS MOUNTED TO PERMIT A ROTATION IN EITHER DIRECTION IN RESPONSE TO THE REACTION TORQUE GENERATED BY THE ROTATION OF THE MOTOR ARMATURE. AN ARM MEMBER RESPONDS TO THE MOVEMENT OF THE MOTOR FRAME TO ROTATE A PULLEY INTO BELT ENGAGEMENT AND DISENGAGEMENT POSITIONS.
Inventors
- 👤 Charles O Stanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:38
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/12; F16H7/1254; F16H7/1281; D; D06; D06F; D06F58/00; D06F58/02; D06F58/04; D06F58/08; F16H2007/0802; F16H2007/0823; F16H2007/0889; F16H2007/0893
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |