Patent US3376963A successfully refreshed from Google Patents.
US3376963A
Expired / Lapsed
US
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Clutch with impact inertia brake
Assignee: International Business Machines Corp
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Filing: 1966-04-22
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Granted: 1968-04-09
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Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 John O Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
F; F16; F16D; F16D61/00; B; B41; B41J; B41J19/00; B41J19/02; F16D13/00; F16D13/02; F16D13/025; F16D67/00; F16D67/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A BRAKE COMPRISING: A ROTATABLY MOUNTED MOVABLE MECHANISM HAVING A SHAFT AND AN ABUTMENT CONNECTED TO SAID SHAFT FOR ROTATION THEREWITH, AT LEAST ONE MASS MOUNTED TO BE SELECTIVELY INTERPOSED IN THE PATH OF SAID MOVING ABUTMENT AND TO BE MOVAABLE INITIALLY IN THE DIRECTION OF THE FORCE OF IMPACT FROM SAID MOVING MECHANISM, SAID MASS HAVING AN ACCELERATION INERTIA SUBSTANTIALLY EQUAL TO THE ACCELERATION INERTIA OF SAID MOVABLE MECHANISM AND BEING MOUNTED SO THAT SAID MASS MOVES AWAY FREELY AFTER IMPACT WHILE AT LEAST SAID
Claim 2
Dependent Claim
86 words
A BRAKE COMPRISING: A ROTATABLY MOUNTED MOVABLE MECHANISM HAVING A SHAFT AND AN ABUTMENT CONNECTED TO SAID SHAFT FOR ROTATION THEREWITH, AT LEAST ONE MASS MOUNTED TO BE SELECTIVELY INTERPOSED IN THE PATH OF SAID MOVING ABUTMENT AND TO BE MOVAABLE INITIALLY IN THE DIRECTION OF THE FORCE OF IMPACT FROM SAID MOVING MECHANISM, SAID MASS HAVING AN ACCELERATION INERTIA SUBSTANTIALLY EQUAL TO THE ACCELERATION INERTIA OF SAID MOVABLE MECHANISM AND BEING MOUNTED SO THAT SAID MASS MOVES AWAY FREELY AFTER IMPACT WHILE AT LEAST SAID
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |