US3191964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension systems
Assignee: Eaton Axles Ltd
•
Filing: 1962-03-22
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Granted: 1965-06-29
•
Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Chambers Harry Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:19
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/28; B60G15/00; B60G15/08; B60G15/12; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G21/00; B60G21/02; B60G21/06; B60G21/067; B60G5/00; B60G5/04; B60G7/00; B60G7/02; B60G9/00; B60G9/003; B61; B61F; B61F5/00; B61F5/26; B61F5/30; B61F5/307; F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; B60G2200/00; B60G2200/30; B60G2200/31; B60G2202/00; B60G2202/10; B60G2202/15; B60G2202/152; B60G2204/00; B60G2204/10; B60G2204/14; B60G2204/143; B60G2204/1432; B60G2204/40; B60G2204/41; B60G2204/416; B60G2206/00; B60G2206/01; B60G2206/60; B60G2206/601; B60G2206/80; B60G2206/81; B60G2206/8101; Y; Y10; Y10S; Y10S280/00; Y10S280/01; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32377; Y10T403/32606; Y10T403/45; Y10T403/454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A CYLINDER UNIT FOR A HYDROPNEUMATIC VEHICLE SUSPENSION SYSTEM, COMPRISING A MOUNTING MEMBER, A BOLT EXTENDING FROM SAID MOUNTING MEMBER, A PISTON SURROUNDING SAID BOLT, AN ELASTIC CONNECTION BETWEEN SAID BOLT AND SAID PISTON AND COMPRISING A CONICAL RUBBERY BUSHING, INNER AND OUTER SLEEVES CLAMPED ENDWISE BETWEEN ABUTMENTS ON THE EXTENDING END OF THE BOLT AND ON SAID MOUNTING MMBER AND BETWEEN FIXED ABUTMENTS IN SAID PISTON RESPECTIVELY, SAID BUSHING BEING BONDED BETWEEN SAID INNER AND OUTER SLEEVES, AND A CYLINDER WITHIN WHICH PISTON IS SLIDABLE, SAID CYLINDER HAVING A PORT THEREIN FOR THE ADMISSION OF HYDRAULIC FLUID TO AND RELEASE FROM THE SPACE BETWEEN THE END OF THE PISTON AND THE CLOSED END OF SAID CYLINDER, THE FLOW OF HYDRAULIC FLUID THROUGH THE SPACE BETWEEN SAID PISTON AND SAID CYLINDER BEING CONTROLLED IN PART BY OBSTRUCTION BY SAID PISTON OF THE PORT IN SAID CYLINDER.
Claim 2
Dependent Claim
146 words
A CYLINDER UNIT FOR A HYDROPNEUMATIC VEHICLE SUSPENSION SYSTEM, COMPRISING A MOUNTING MEMBER, A BOLT EXTENDING FROM SAID MOUNTING MEMBER, A PISTON SURROUNDING SAID BOLT, AN ELASTIC CONNECTION BETWEEN SAID BOLT AND SAID PISTON AND COMPRISING A CONICAL RUBBERY BUSHING, INNER AND OUTER SLEEVES CLAMPED ENDWISE BETWEEN ABUTMENTS ON THE EXTENDING END OF THE BOLT AND ON SAID MOUNTING MMBER AND BETWEEN FIXED ABUTMENTS IN SAID PISTON RESPECTIVELY, SAID BUSHING BEING BONDED BETWEEN SAID INNER AND OUTER SLEEVES, AND A CYLINDER WITHIN WHICH PISTON IS SLIDABLE, SAID CYLINDER HAVING A PORT THEREIN FOR THE ADMISSION OF HYDRAULIC FLUID TO AND RELEASE FROM THE SPACE BETWEEN THE END OF THE PISTON AND THE CLOSED END OF SAID CYLINDER, THE FLOW OF HYDRAULIC FLUID THROUGH THE SPACE BETWEEN SAID PISTON AND SAID CYLINDER BEING CONTROLLED IN PART BY OBSTRUCTION BY SAID PISTON OF THE PORT IN SAID CYLINDER.
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |