US3241643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch
Assignee: Borg Warner Corp
•
Filing: 1963-09-13
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Granted: 1966-03-22
•
Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Byron D Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:39
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/70; F16D13/71
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A CLUTCH COMPRISING A DRIVING MEMBER, A PRESSURE PLATE, A DRIVEN MEMBER INTERPOSED BETWEEN SAID DRIVING MEMBER AND SAID PRESSURE PLATE, A COVER PLATE CONNECTED TO SAID DRIVING MEMBER SURROUNDING SAID DRIVEN MEMBER AND SAID PRESSURE PLATE, A PLURALITY OF FULCRUM MEMBERS CARRIED BY SAID COVER PLATE, RESILIENT MEANS POSITIONED BETWEEN SAID COVER PLATE AND SAID PRESSURE PLATE EFFECTIVE TO URGE SAID PRESSURE PLATE TOWARD SAID DRIVING MEMBER, A PLURALITY OF CLUTCH RELEASE LEVERS CONNECTED TO SAID PRESSURE PLATE AND SAID FULCRUM MEMBERS EXTENDING RADIALLY INWARDLY AND HAVING INNER TERMINAL ENDS, A DISENGAGING RING CONNECTED TO SAID INNER TERMINAL ENDS PROVIDING A RADIAL SURFACE FOR ENGAGEMENT WITH A CLUTCH RELEASE BEARING, AND A RELEASE LEVER SPRING ASSOCIATED WITH EACH OF SAID RELEASE LEVERS ANCHORED TO SAID COVER PLATE EXTENDING ON OPPOSITE SIDES OF SAID RELEASE LEVERS HAVING A MID PORTION
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |