Patent US3663002A successfully refreshed from Google Patents.
US3663002A
Expired / Lapsed
US
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Dynamic damper
Assignee: Old Carco LLC
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Filing: 1970-08-31
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Granted: 1972-05-16
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Expires: 1990-08-31
Abstract
Abstract Tuned mass adapted to be connected to vehicle body to dampen body vibrations.
Inventors
- 👤 Robert G Gergle
- 👤 Zdravko D Dobrasevic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:56
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/10; F16F7/104; F16F7/108
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
87 words
Vibration damping apparatus for a vehicle body comprising a weight, means connecting said weight to said body, said means including a plurality of fasteners, a plurality of resilient insulators located in holes in said weight, said fasteners extending through said insulators and said body, said insulators transferring energy from said body to said weight when said body is subjected to vibration in a predetermined vibratory range, and said weight comprising two end head portions, an intermediate section thinner than said end heads joining said end heads together.
Claim 2
Dependent Claim
87 words
Vibration damping apparatus for a vehicle body comprising a weight, means connecting said weight to said body, said means including a plurality of fasteners, a plurality of resilient insulators located in holes in said weight, said fasteners extending through said insulators and said body, said insulators transferring energy from said body to said weight when said body is subjected to vibration in a predetermined vibratory range, and said weight comprising two end head portions, an intermediate section thinner than said end heads joining said end heads together.
Claim 3
Dependent Claim
33 words
Vibration damping apparatus as set forth in claim 1 wherein each of said insulators includes an outer sleeve and an inner sleeve, and a rubber ring member between said outer and inner sleeves.
Claim 4
Dependent Claim
33 words
Vibration damping apparatus as set forth in claim 1 further including a lower plate located below said insulators, said fastening extending through said lower plate for connecting the apparatus to said vehicle body.
Claim 5
Dependent Claim
40 words
Vibration damping apparatus as set forth in claim 2 further including a lower plate, said lower plate having holes therein through which said fasteners extend, said inner sleeves surrounding said fasteners and contracting said lower plate adjacent the holes therein.
References Cited (Backward Citations)
US2081536A
Cited
US3520554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |