US3365032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous and elastomer damped bearing support
Assignee: Lord Corp
•
Filing: 1966-06-28
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Granted: 1968-01-23
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 John H Gorndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:11
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/22; F; F16; F16C; F16C27/00; F16C27/04; F16C27/045; F16C27/06; F16C27/066; F16F; F16F15/00; F16F15/02; F16F15/023; F16H; F16H27/00; F16H27/04; Y; Y10; Y10S; Y10S277/00; Y10S277/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A SHAFT DAMPER COMPRISING INNER AND OUTER SUPPORTING AND SUPPORTED MEMBERS EACH HAVING A RADIALLY PRESENTED CYLINDRICAL SURFACE AND AXIALLY PRESENTED SURFACES AT OPPOSITE ENDS OF ITS CYLINDRICAL SURFACE, THE CYLINDRICAL AND AXIALLY PRESENTED SURFACES OF ONE MEMBER BEING SPACED FROM AND IN OPPOSED RELATION TO THE CORRESPOPNDING SURFACES OF THE OTHER MEMBER, ANNULAR ELEMENTS OF ELASTOMER SANDWICHED BETWEEN AND BONDED TO THE AXIALLY PRESENTED SURFACES AND SUBSTAINING RELATIVE RADIAL MOTION OF SAID SURFACES IN SHEAR, SAID ANNULAR ELEMENTS AND CYLINDRICAL AND AXIALLY PRESENTED SURFACES DEFINING A CLOSED ANNULAR CHAMBER, AND A VISCOUS LIQUID IN SAID CHAMBER, ONE OF SAID MEMBERS BEING ADAPTED TO RECEIVE A SHAFT BEARING AND THE OTHER OF SAID MEMBERS BEING ADAPTED TO BE FIXED TO A SUPPORT WHEREBY VIBRATION OF THE SHAFT BEARING CAUSES PUMPING OF THE LIQUID AROUND THE CHAMBER TO PRODUCE A DAMPING EFFECT.
Claim 2
Dependent Claim
141 words
A SHAFT DAMPER COMPRISING INNER AND OUTER SUPPORTING AND SUPPORTED MEMBERS EACH HAVING A RADIALLY PRESENTED CYLINDRICAL SURFACE AND AXIALLY PRESENTED SURFACES AT OPPOSITE ENDS OF ITS CYLINDRICAL SURFACE, THE CYLINDRICAL AND AXIALLY PRESENTED SURFACES OF ONE MEMBER BEING SPACED FROM AND IN OPPOSED RELATION TO THE CORRESPOPNDING SURFACES OF THE OTHER MEMBER, ANNULAR ELEMENTS OF ELASTOMER SANDWICHED BETWEEN AND BONDED TO THE AXIALLY PRESENTED SURFACES AND SUBSTAINING RELATIVE RADIAL MOTION OF SAID SURFACES IN SHEAR, SAID ANNULAR ELEMENTS AND CYLINDRICAL AND AXIALLY PRESENTED SURFACES DEFINING A CLOSED ANNULAR CHAMBER, AND A VISCOUS LIQUID IN SAID CHAMBER, ONE OF SAID MEMBERS BEING ADAPTED TO RECEIVE A SHAFT BEARING AND THE OTHER OF SAID MEMBERS BEING ADAPTED TO BE FIXED TO A SUPPORT WHEREBY VIBRATION OF THE SHAFT BEARING CAUSES PUMPING OF THE LIQUID AROUND THE CHAMBER TO PRODUCE A DAMPING EFFECT.
References Cited (Backward Citations)
US2857974A
Cited
US3101979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |