US3140080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction snubber with two-way bump stop
Assignee: Houdaille Industries Inc
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Filing: 1962-12-12
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Granted: 1964-07-07
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:17
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/12; B61G9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A SHOCK SNUBBER COMPRISING: A CASING, A PLUNGER ROD MOUNTED WITHIN THE CASING, SHOCK RESISTING MEANS MOUNTED IN SAID CASING FOR RESISTING COMPRESSION AND PULL-OUT SHOCK FORCES, A RESILIENTLY COMPRESSIBLE BUMPER RING OPERATIVELY CONNECTED WITH SAID CASING AND DEFINING A TWO-WAY PLUNGER STOP MOUNTED CONCENTRICALLY ABOUT THE ROD, SAID PLUNGER ROD HAVING A SHOULDER ENGAGEABLE AGAINST SAID RESILIENTLY COMPRESSIBLE BUMPER RING FOR COMPRESSING THE RING WHERE THE COMPRESSION FORCE APPLIED TO THE PLUNGER ROD IS OF SUCH MAGNITUDE THAT IT CANNOT BE COMPLETELY ABSORBED BY SAID SHOCK RESISTING MEANS AND A SLIDABLE ELEMENT MOUNTED WITHIN THE HOUSING IN CONCENTRIC RELATION WITH RESPECT TO THE RESILIENT BUMPER RING AND OPERATIVELY CONNECTED WITH SAID PLUNGER ROD ONLY UPON THE APPLICATION OF A PULL-OUT FORCE TO SAID PLUNGER ROD FOR COMPRESSING THE RESILIENTLY COMPRESSIBLE BUMPER RING TO RESIST PULL-OUT FORCES WHICH ARE OF SUCH MAGNITUDE THAT THEY CANNOT BE COMPLETELY RESISTED BY SAID SHOCK RESISTING MEANS.
Claim 2
Dependent Claim
153 words
A SHOCK SNUBBER COMPRISING: A CASING, A PLUNGER ROD MOUNTED WITHIN THE CASING, SHOCK RESISTING MEANS MOUNTED IN SAID CASING FOR RESISTING COMPRESSION AND PULL-OUT SHOCK FORCES, A RESILIENTLY COMPRESSIBLE BUMPER RING OPERATIVELY CONNECTED WITH SAID CASING AND DEFINING A TWO-WAY PLUNGER STOP MOUNTED CONCENTRICALLY ABOUT THE ROD, SAID PLUNGER ROD HAVING A SHOULDER ENGAGEABLE AGAINST SAID RESILIENTLY COMPRESSIBLE BUMPER RING FOR COMPRESSING THE RING WHERE THE COMPRESSION FORCE APPLIED TO THE PLUNGER ROD IS OF SUCH MAGNITUDE THAT IT CANNOT BE COMPLETELY ABSORBED BY SAID SHOCK RESISTING MEANS AND A SLIDABLE ELEMENT MOUNTED WITHIN THE HOUSING IN CONCENTRIC RELATION WITH RESPECT TO THE RESILIENT BUMPER RING AND OPERATIVELY CONNECTED WITH SAID PLUNGER ROD ONLY UPON THE APPLICATION OF A PULL-OUT FORCE TO SAID PLUNGER ROD FOR COMPRESSING THE RESILIENTLY COMPRESSIBLE BUMPER RING TO RESIST PULL-OUT FORCES WHICH ARE OF SUCH MAGNITUDE THAT THEY CANNOT BE COMPLETELY RESISTED BY SAID SHOCK RESISTING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |