US3179220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch actuating mechanism
Assignee: Dana Inc
•
Filing: 1962-04-06
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Granted: 1965-04-20
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 William H Sink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D21/06; F16D2021/0684; Y; Y02; Y02T; Y02T10/00; Y02T10/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A DUAL CLUTCH COMPRISING IN COMBINATION, (A) A DRIVING MEMBER HAVING A FIRST AND A SECOND SPACED APART ENGAGING FACE DISPOSED IN OPPOSED RELATIONSHIP, (B) A FIRST AND A SECOND DRIVEN MEMBER DISPOSED IN SPACED APART RELATIONSHIP BETWEEN ENGAGING FACES AND EACH BEING ADAPTED TO ENGAGE ONE OF THE SAME, (C) A FIRST AND A SECOND PRESSURE MEMBER POSITIONED BETWEEN SAID DRIVEN MEMBERS AND DRIVINGLY CONNECTED TO SAID DRIVING MEMBER, (D) SAID FIRST PRESSURE MEMBER BEING ADAPTED TO PRESS SAID FIRST DRIVEN MEMBER INTO ENGAGEMENT WITH SAID FIRST ENGAGING FACE, (E) SAID SECOND PRESSURE MEMBER BEING ADAPTED TO PRESS SAID SECOND DRIVEN MEMBER INTO ENGAGEMENT WITH SAID SECOND ENGAGING FACE, (F) COMMON SPRING MEANS DISPOSED BETWEEN SAID PRESSURE MEMBER FOR MOVING SAID MEMBERS INTO ENGAGEMENT WITH THEIR RESPONSIVE DRIVEN MEMBER AND,
Claim 2
Dependent Claim
131 words
A DUAL CLUTCH COMPRISING IN COMBINATION, (A) A DRIVING MEMBER HAVING A FIRST AND A SECOND SPACED APART ENGAGING FACE DISPOSED IN OPPOSED RELATIONSHIP, (B) A FIRST AND A SECOND DRIVEN MEMBER DISPOSED IN SPACED APART RELATIONSHIP BETWEEN ENGAGING FACES AND EACH BEING ADAPTED TO ENGAGE ONE OF THE SAME, (C) A FIRST AND A SECOND PRESSURE MEMBER POSITIONED BETWEEN SAID DRIVEN MEMBERS AND DRIVINGLY CONNECTED TO SAID DRIVING MEMBER, (D) SAID FIRST PRESSURE MEMBER BEING ADAPTED TO PRESS SAID FIRST DRIVEN MEMBER INTO ENGAGEMENT WITH SAID FIRST ENGAGING FACE, (E) SAID SECOND PRESSURE MEMBER BEING ADAPTED TO PRESS SAID SECOND DRIVEN MEMBER INTO ENGAGEMENT WITH SAID SECOND ENGAGING FACE, (F) COMMON SPRING MEANS DISPOSED BETWEEN SAID PRESSURE MEMBER FOR MOVING SAID MEMBERS INTO ENGAGEMENT WITH THEIR RESPONSIVE DRIVEN MEMBER AND,
References Cited (Backward Citations)
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US2195783A
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US2261432A
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US2379023A
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |