US3264898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsional vibration damper
Assignee: Individual
•
Filing: 1964-07-29
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Granted: 1966-08-09
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Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:31
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TORSIONAL VIBRATION DAMPER COMPRISING A ROUND CASING ADAPTED TO BE SECURED TO A ROTARY MEMBER FOR ROTATION THEREWITH, SAID CASING HAVING A CHAMBER THEREIN CONTAINING A LIQUID AND AN INTERTIA MEMBER SUPPORTED WITHIN SAID CASING FOR ROTATION WITH RESPECT THERETO, SAID INERTIA MEMBER BEING IN FRICTIONAL SLIDABLE RELATIONSHIP WITH A WALL OF SAID FLUID CHAMBER, AT LEAST A PORTION OF SAID WALL BEING MOVABLE MORE CLOSELY TOWARD SAID INERTIA MEMBER RESPONSIVE TO INCREASED PRESSURE WITHIN SAID CHAMBER SUCH THAT THE FRICTIONAL CONTACT PRESSURE BETWEEN THE CASING AND THE INERTIA MEMBER IS PROPORTIONAL TO THE FLUID PRESSURE IN THE CHAMBER.
Claim 2
Dependent Claim
100 words
A TORSIONAL VIBRATION DAMPER COMPRISING A ROUND CASING ADAPTED TO BE SECURED TO A ROTARY MEMBER FOR ROTATION THEREWITH, SAID CASING HAVING A CHAMBER THEREIN CONTAINING A LIQUID AND AN INTERTIA MEMBER SUPPORTED WITHIN SAID CASING FOR ROTATION WITH RESPECT THERETO, SAID INERTIA MEMBER BEING IN FRICTIONAL SLIDABLE RELATIONSHIP WITH A WALL OF SAID FLUID CHAMBER, AT LEAST A PORTION OF SAID WALL BEING MOVABLE MORE CLOSELY TOWARD SAID INERTIA MEMBER RESPONSIVE TO INCREASED PRESSURE WITHIN SAID CHAMBER SUCH THAT THE FRICTIONAL CONTACT PRESSURE BETWEEN THE CASING AND THE INERTIA MEMBER IS PROPORTIONAL TO THE FLUID PRESSURE IN THE CHAMBER.
References Cited (Backward Citations)
US1719805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |