Patent US3319747A successfully refreshed from Google Patents.
US3319747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lost motion drive with anti-feed back brake
Assignee: Adams Rite Manufacturing Co
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Filing: 1965-02-15
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Granted: 1967-05-16
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Warner R Lauper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:40
CPC Classifications
F; F16; F16B; F16B1/00; F16B1/02; F16B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN IRREVERSIBLE ENCLOSED COMPACT CLUTCH UNIT, COMPRISING: (A) A CENTRAL SUPPORT HAVING A CIRCUMFERENTIALLY EXTENDING SURFACE; (B) AN INPUT MEMBER AND AN OUTPUT MEMBER ROTATABLE ON SAID CENTRAL SUPPORT, SAID MEMBERS HAVING CONFRONTING INNER FACES AND OUTER END PORTIONS RESPECTIVELY POSITIONED ON OPPOSITE SIDES OF SAID SURFACE; (C) WEDGING LOCKING MEANS ROTATABLY POSITIONED BETWEEN SAID OUTER END PORTIONS COOPERABLE WITH SAID SURFACE AND A RADIALLY OUTWARDLY POSITIONED SURFACE OF SAID OUTPUT MEMBER FOR AUTOMATICALLY LOCKING SAID OUTPUT MEMBER AND SUPPORT AGAINST RELATIVE MOVEMENTS; AND (D) MEMBERS CARRIED BY SAID INPUT MEMBER FOR INITIALLY RELEASING SAID LOCKING MEANS IN RESPONSE TO MOVEMENT OF THE INPUT MEMBER IN EITHER OF ITS DIRECTIONS OF ROTATION AND THEREAFTER ESTABLISH A DIRECT DRIVING CONNECTION BETWEEN THE INPUT AND OUTPUT MEMBERS, WHEN A ROTATIVE FORCE IS APPLIED TO THE INPUT MEMBER.
Claim 2
Dependent Claim
135 words
AN IRREVERSIBLE ENCLOSED COMPACT CLUTCH UNIT, COMPRISING: (A) A CENTRAL SUPPORT HAVING A CIRCUMFERENTIALLY EXTENDING SURFACE; (B) AN INPUT MEMBER AND AN OUTPUT MEMBER ROTATABLE ON SAID CENTRAL SUPPORT, SAID MEMBERS HAVING CONFRONTING INNER FACES AND OUTER END PORTIONS RESPECTIVELY POSITIONED ON OPPOSITE SIDES OF SAID SURFACE; (C) WEDGING LOCKING MEANS ROTATABLY POSITIONED BETWEEN SAID OUTER END PORTIONS COOPERABLE WITH SAID SURFACE AND A RADIALLY OUTWARDLY POSITIONED SURFACE OF SAID OUTPUT MEMBER FOR AUTOMATICALLY LOCKING SAID OUTPUT MEMBER AND SUPPORT AGAINST RELATIVE MOVEMENTS; AND (D) MEMBERS CARRIED BY SAID INPUT MEMBER FOR INITIALLY RELEASING SAID LOCKING MEANS IN RESPONSE TO MOVEMENT OF THE INPUT MEMBER IN EITHER OF ITS DIRECTIONS OF ROTATION AND THEREAFTER ESTABLISH A DIRECT DRIVING CONNECTION BETWEEN THE INPUT AND OUTPUT MEMBERS, WHEN A ROTATIVE FORCE IS APPLIED TO THE INPUT MEMBER.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |