US3228501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch
Assignee: INDUSTRIAL CLUTCH CORP
•
Filing: 1963-08-26
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Granted: 1966-01-11
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Eason
- 👤 John J Pfeffer
- 👤 George W Culbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:26
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/69; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
IN A FRICTION CLUTCH, THE COMBINATION OF AN OUTER DRIVING ANNULUS, AN OUTER SERIES OF FRICTION CLUTCH ELEMENTS ROTATING WITH SAID ANNULUS AND AXIALLY SHIFTABLE RELATIVELY THERETO, DRIVING MEANS ESTABLISHING DRIVING CONNECTION WITH SAID OUTER ANNULUS AT THE LEFT HAND END OF THE CLUTCH ASSEMBLY, AN INNER DRIVEN SHAFT EXTENDING COAXIALLY OF SAID ANNULUS AND OUTER CLUTCH ELEMENTS, AN INNER SERIES OF FRICTION CLUTCH ELEMENTS MOUNTED ON SAID INNER SHAFT AND SHIFTABLE AXIALLY RELATIVELY BEING DISPOSED OUTER AND INNER SERIES OF CLUTCH ELEMENTS BEING DISPOSED IN INTERSPERSED RELATION, AN INNER DRIVE MEMBER OPERATIVELY CONNECTED WITH THE LEFT HAND END OF SAID INNER DRIVEN SHAFT TO BE DRIVEN THEREBY, A COMPRESSED AIR POWER CYLINDER AT THE RIGHT HAND END OF THE CLUTCH ASSEMBLY MOUNTED ON SAID OUTER ANNULUS TO ROTATE CONTINOUSLY THEREWITH, SAID POWER CYLINDER COMPRISING MEANS FOR EFFECTING CLUTCHING ENGAGEMENT BETWEEN SAID CLUTCH ELEMENTS UPON ENERGIZATION OF SAID CYLINDER, OUTER LOCATOR MECHANISM FOR AUTOMATICALLY RESTORING SAID OUTER CLUTCH ELEMENTS INTO THEIR ORIGINAL POSITIONS WHEN THE CLUTCH IS RELEASED, SAID OUTER LOCATOR MECHANISM COMPRISING OUTER LOCATOR RODS HAVING STOP SHOULDERS AND SPRING THEREON OPERATIVE TO RESTOR THE RESPECTIVE OUTER CLUTCH ELEMENTS INTO THEIR NORMAL POSITIONS WHEN THE CLUTCH IS RELEASED, INNER LOCATOR MECHANISM COMPRISING INNER LOCATOR RODS HAVING STOP SHOULDERS AND SPRINGS THEREON OPERATIVE TO RESTORE THE RESPECTIVE INNER CLUTCH ELEMENTS INTO THEIR NORMAL POSITIONS WHEN THE CLUTCH IS RELEASED, AND MEANS MOUNTED AT THE LEFT HAND END OF THE CLUTCH ASSEMBLY FOR ADJUSTING SAID INNER LOCATOR MECHANSISM TO ADJUST THE NORMAL CLUTCH-RELEASED POSITIONS OF SAID INNER CLUTCH ELEMENTS.
Claim 2
Dependent Claim
258 words
IN A FRICTION CLUTCH, THE COMBINATION OF AN OUTER DRIVING ANNULUS, AN OUTER SERIES OF FRICTION CLUTCH ELEMENTS ROTATING WITH SAID ANNULUS AND AXIALLY SHIFTABLE RELATIVELY THERETO, DRIVING MEANS ESTABLISHING DRIVING CONNECTION WITH SAID OUTER ANNULUS AT THE LEFT HAND END OF THE CLUTCH ASSEMBLY, AN INNER DRIVEN SHAFT EXTENDING COAXIALLY OF SAID ANNULUS AND OUTER CLUTCH ELEMENTS, AN INNER SERIES OF FRICTION CLUTCH ELEMENTS MOUNTED ON SAID INNER SHAFT AND SHIFTABLE AXIALLY RELATIVELY BEING DISPOSED OUTER AND INNER SERIES OF CLUTCH ELEMENTS BEING DISPOSED IN INTERSPERSED RELATION, AN INNER DRIVE MEMBER OPERATIVELY CONNECTED WITH THE LEFT HAND END OF SAID INNER DRIVEN SHAFT TO BE DRIVEN THEREBY, A COMPRESSED AIR POWER CYLINDER AT THE RIGHT HAND END OF THE CLUTCH ASSEMBLY MOUNTED ON SAID OUTER ANNULUS TO ROTATE CONTINOUSLY THEREWITH, SAID POWER CYLINDER COMPRISING MEANS FOR EFFECTING CLUTCHING ENGAGEMENT BETWEEN SAID CLUTCH ELEMENTS UPON ENERGIZATION OF SAID CYLINDER, OUTER LOCATOR MECHANISM FOR AUTOMATICALLY RESTORING SAID OUTER CLUTCH ELEMENTS INTO THEIR ORIGINAL POSITIONS WHEN THE CLUTCH IS RELEASED, SAID OUTER LOCATOR MECHANISM COMPRISING OUTER LOCATOR RODS HAVING STOP SHOULDERS AND SPRING THEREON OPERATIVE TO RESTOR THE RESPECTIVE OUTER CLUTCH ELEMENTS INTO THEIR NORMAL POSITIONS WHEN THE CLUTCH IS RELEASED, INNER LOCATOR MECHANISM COMPRISING INNER LOCATOR RODS HAVING STOP SHOULDERS AND SPRINGS THEREON OPERATIVE TO RESTORE THE RESPECTIVE INNER CLUTCH ELEMENTS INTO THEIR NORMAL POSITIONS WHEN THE CLUTCH IS RELEASED, AND MEANS MOUNTED AT THE LEFT HAND END OF THE CLUTCH ASSEMBLY FOR ADJUSTING SAID INNER LOCATOR MECHANSISM TO ADJUST THE NORMAL CLUTCH-RELEASED POSITIONS OF SAID INNER CLUTCH ELEMENTS.
References Cited (Backward Citations)
US1847355A
Cited
US2523501A
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US2481834A
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US2747711A
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US2727402A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |