US3353641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch or brake unit
Assignee: Motors Liquidation Co
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Filing: 1965-10-18
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Granted: 1967-11-21
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Howard E Chana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:16
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635; F16D25/0638; F02; F02D; F02D1/00; F02D1/16; F02D1/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A FRICTION-DRIVE-ESTABLISHING DEVICE HAVING A PLURALITY OF MUTUALLY ENGAGEABLE FRICTION PLATES, MOVABLE MOTOR MEANS FOR APPLYING A LOAD TO SAID MEMBERS CAUSING FACE-TO-FACE ENGAGEMENT THEREOF, AN ELASTOMERIC CAUSNULAR CUSHION, SAID MOTOR MEANS HAVING AN APPLY SURFACE WITH A GROOVE FORMED THEREIN HAVING A WIDTH SUBSTANTIALLY GREATER THAN THE WIDTH OF SAID CUSHION, SAID CUSHION BEING MOUNTED IN SAID GROOVE AND WHEN RELAXED HAVING A PORTION EXTENDING BEYOND SAID APPLY SURFACE, SAID CUSHION HAVING A CONTACT SURFACE FOR INITIALLY APPLYING A LOAD TO SAID PLATES ON PREDETERMINED MOVEMENT OF SAID MOTOR MEANS TOWARD SAID PLATES, SAID CUSHION WHEN DEFLECTED INTO SAID GROOVE HAVING A SLIGHTLY RISING
Claim 2
Dependent Claim
106 words
IN A FRICTION-DRIVE-ESTABLISHING DEVICE HAVING A PLURALITY OF MUTUALLY ENGAGEABLE FRICTION PLATES, MOVABLE MOTOR MEANS FOR APPLYING A LOAD TO SAID MEMBERS CAUSING FACE-TO-FACE ENGAGEMENT THEREOF, AN ELASTOMERIC CAUSNULAR CUSHION, SAID MOTOR MEANS HAVING AN APPLY SURFACE WITH A GROOVE FORMED THEREIN HAVING A WIDTH SUBSTANTIALLY GREATER THAN THE WIDTH OF SAID CUSHION, SAID CUSHION BEING MOUNTED IN SAID GROOVE AND WHEN RELAXED HAVING A PORTION EXTENDING BEYOND SAID APPLY SURFACE, SAID CUSHION HAVING A CONTACT SURFACE FOR INITIALLY APPLYING A LOAD TO SAID PLATES ON PREDETERMINED MOVEMENT OF SAID MOTOR MEANS TOWARD SAID PLATES, SAID CUSHION WHEN DEFLECTED INTO SAID GROOVE HAVING A SLIGHTLY RISING
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |