Patent US3296887A successfully refreshed from Google Patents.
US3296887A
Expired / Lapsed
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Vibration damper
Assignee: Motors Liquidation Co
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Filing: 1964-10-28
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Granted: 1967-01-10
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:23
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/1202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A TORSIONAL VIBRATION DAMPER COMPRISING: A DRIVING MEMBER; A DRIVEN MEMBER RESILIENTLY SECURED TO SAID DRIVING MEMBER AND ROTATABLE WITH RESPECT THERETO; A PLURALITY OF MASS ELEMENTS PIVOTALLY SECURED TO SAID DRIVING MEMBER; A FRICTION APPLYING MEANS FIXED TO EACH OF SAID MASS ELEMENTS AND ROTATABLE THEREWITH; AND MEANS FOR BIASING SAID MASS ELEMENTS AND SAID FRICTION APPLYING MEANS TO ENGAGE SAID FRICTION APPLYING MEANS WITH SAID DRIVEN MEMBER DURING PERIODS OF LOW ROTATIONAL SPEED OF SAID DRIVING MEMBER TO CAUSE SAID DRIVING MEMBER AND SAID DRIVEN MEMBER TO ROTATE TOGETHER, SAID MASS ELEMENTS BEING ADAPTED TO BE ROTATED BY CENTRIFUGAL FORCE TO OVERCOME SAID BIASING MEANS DURING PERIODS OF HIGH ROTATIONAL SPEED OF SAID DRIVING MEMBER OF DISENGAGE SAID FRICTION APPLYING MEANS FROM SAID DRIVEN MEMBER.
Claim 2
Dependent Claim
127 words
A TORSIONAL VIBRATION DAMPER COMPRISING: A DRIVING MEMBER; A DRIVEN MEMBER RESILIENTLY SECURED TO SAID DRIVING MEMBER AND ROTATABLE WITH RESPECT THERETO; A PLURALITY OF MASS ELEMENTS PIVOTALLY SECURED TO SAID DRIVING MEMBER; A FRICTION APPLYING MEANS FIXED TO EACH OF SAID MASS ELEMENTS AND ROTATABLE THEREWITH; AND MEANS FOR BIASING SAID MASS ELEMENTS AND SAID FRICTION APPLYING MEANS TO ENGAGE SAID FRICTION APPLYING MEANS WITH SAID DRIVEN MEMBER DURING PERIODS OF LOW ROTATIONAL SPEED OF SAID DRIVING MEMBER TO CAUSE SAID DRIVING MEMBER AND SAID DRIVEN MEMBER TO ROTATE TOGETHER, SAID MASS ELEMENTS BEING ADAPTED TO BE ROTATED BY CENTRIFUGAL FORCE TO OVERCOME SAID BIASING MEANS DURING PERIODS OF HIGH ROTATIONAL SPEED OF SAID DRIVING MEMBER OF DISENGAGE SAID FRICTION APPLYING MEANS FROM SAID DRIVEN MEMBER.
References Cited (Backward Citations)
US2367709A
Cited
US2844972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |