US3280948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid and mechanical clutch fan drive
Assignee: Ford Motor Co
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Filing: 1964-10-26
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Granted: 1966-10-25
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Donald L Carriere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:04
CPC Classifications
F; F16; F16D; F16D47/00; F16D47/06; F16D35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CLUTCHING MECHANISM COMPRISING, DRIVE AND DRIVEN MEMBERS, AND MEANS OPERABLY CONNECTING SAID MEMBERS FOR AUTOMATICALLY PROVIDING A DRIVE OR DISENGAGEMENT THEREBETWEEN IN RESPONSE TO CHANGES IN RELATIVE ROTATION THEREBETWEEN, SAID MEANS INCLUDING YIELDABLE FRICTION COUPLING MEANS OF PREDETERMINED TORQUE CAPACITY HAVING CONTINUOUSLY ENGAGED PORTIONS, MEANS CONNECTING SEPARATE ONES OF SAID PORTIONS TO SAID DRIVE AND DRIVEN MEMBERS FOR AN INITIAL DRIVE BETWEEN SAID MEMBERS, AND SPEED RESPONSIVE CLUTCH MEANS FIXED TO SAID DRIVEN MEMBER, SAID LATTER CLUTCH MEANS HAVING AN ELEMENT MOVABLE INTO ESSENTIALLY NON-RELATIVELY MOVABLE ENGAGEMENT WITH SAID DRIVE MEMBER IN RESPONSE TO A PREDETERMINED SPEED OF ROTATION OF SAID DRIVEN MEMBER TO ENGAGE SAID MEMBERS.
Claim 2
Dependent Claim
108 words
A CLUTCHING MECHANISM COMPRISING, DRIVE AND DRIVEN MEMBERS, AND MEANS OPERABLY CONNECTING SAID MEMBERS FOR AUTOMATICALLY PROVIDING A DRIVE OR DISENGAGEMENT THEREBETWEEN IN RESPONSE TO CHANGES IN RELATIVE ROTATION THEREBETWEEN, SAID MEANS INCLUDING YIELDABLE FRICTION COUPLING MEANS OF PREDETERMINED TORQUE CAPACITY HAVING CONTINUOUSLY ENGAGED PORTIONS, MEANS CONNECTING SEPARATE ONES OF SAID PORTIONS TO SAID DRIVE AND DRIVEN MEMBERS FOR AN INITIAL DRIVE BETWEEN SAID MEMBERS, AND SPEED RESPONSIVE CLUTCH MEANS FIXED TO SAID DRIVEN MEMBER, SAID LATTER CLUTCH MEANS HAVING AN ELEMENT MOVABLE INTO ESSENTIALLY NON-RELATIVELY MOVABLE ENGAGEMENT WITH SAID DRIVE MEMBER IN RESPONSE TO A PREDETERMINED SPEED OF ROTATION OF SAID DRIVEN MEMBER TO ENGAGE SAID MEMBERS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |