US3078737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuned friction damper
Assignee: Schwitzer Corp
•
Filing: 1959-11-12
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Granted: 1963-02-26
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Sanford A Mcgavern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/14; F16F15/1407; F16F15/1414; F16F15/1435; F16F15/1442; F16H; F16H55/00; F16H55/32; F16H55/36; F16H2055/366; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A VIBRATION DAMPER COMPRISING A DRIVING MEMBER HAVING A GENERALLY RADIAL FACE AND HAVING A FRUSTOCONICAL SURFACE WHICH CONVERGES TOWARD SAID RADIAL FACE, AN ANNULAR INERTIA MEMBER SURROUNDING SAID FRUSTOCONICAL SURFACE AND HAVING AN INWARD SURFACE WHICH IS PARALLEL TO AND SPACED FROM THE FRUSTOCONICAL SURFACE OF SAID DRIVING MEMBER, A FLAT ANNULAR SPACER MEMBER LOCATED BETWEEN SAID RADIAL SURFACE AND SAID INERTIA MEMBER, AND A FRUSTOCONICAL ELASTIC ELEMENT RECEIVED BETWEEN AND CONTACTING SAID FRUSTOCONICAL SURFACE AND SAID INWARD SURFACE, SAID ELASTIC ELEMENT HAVING A PRECOMPRESSION THEREIN WHICH URGES SAID INERTIA MEMBER AGAINST SAID SPACER MEMBER, SAID ELASTIC ELEMENT AND SAID SPACER MEMBER BEING THE ONLY MEANS CONTACTING SAID INERTIA MEMBER TO MOUNT IT ON SAID DRIVING MEMBER.
Claim 2
Dependent Claim
118 words
A VIBRATION DAMPER COMPRISING A DRIVING MEMBER HAVING A GENERALLY RADIAL FACE AND HAVING A FRUSTOCONICAL SURFACE WHICH CONVERGES TOWARD SAID RADIAL FACE, AN ANNULAR INERTIA MEMBER SURROUNDING SAID FRUSTOCONICAL SURFACE AND HAVING AN INWARD SURFACE WHICH IS PARALLEL TO AND SPACED FROM THE FRUSTOCONICAL SURFACE OF SAID DRIVING MEMBER, A FLAT ANNULAR SPACER MEMBER LOCATED BETWEEN SAID RADIAL SURFACE AND SAID INERTIA MEMBER, AND A FRUSTOCONICAL ELASTIC ELEMENT RECEIVED BETWEEN AND CONTACTING SAID FRUSTOCONICAL SURFACE AND SAID INWARD SURFACE, SAID ELASTIC ELEMENT HAVING A PRECOMPRESSION THEREIN WHICH URGES SAID INERTIA MEMBER AGAINST SAID SPACER MEMBER, SAID ELASTIC ELEMENT AND SAID SPACER MEMBER BEING THE ONLY MEANS CONTACTING SAID INERTIA MEMBER TO MOUNT IT ON SAID DRIVING MEMBER.
References Cited (Backward Citations)
GB217928A
Cited
US1830600A
Cited
US1948304A
Cited
FR876921A
Cited
US2380770A
Cited
US2512735A
Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |