US3237726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber lock
Assignee: Bendix Corp
•
Filing: 1962-09-07
•
Granted: 1966-03-01
•
Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Gerard P Deyerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:47
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/48; F16F9/486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A HYDROPNEUMATIC SHOCK ABSORBER HAVING A CYLINDER CHARGED WITH AIR AND HYDRAULIC FLUID, A CENTRAL TUBULAR DEPENDING STRUCTURE DIVIDING SAID CYLINDER INTO AN INNER AND OUTER CHAMBER AND A PISTON ARRANGED TO RECIPROCATE WITHIN SAID OUTER CHAMBER, A MEANS TO HOLD SAID PISTON IN ANY POSITION ALONG THE LENGTH OF SAID CYLINDER TO FORM A RIGID LINK, WHICH MEANS COMPRISES: A FIRST FLOATING MEANS MOUNTED IN SAID OUTER CHAMBER ABOVE SAID PISTON; A SECOND FLOATING MEANS MOUNTED IN SAID OUTER CHAMBER BELOW SAID PISTON; AND PASSAGES IN SAID CYLINDERS ABOVE AND BELOW SAID FIRST AND SAID SECOND FLOATING MEANS TO PORT FLUID BEHIND BOTH SAID FLOATING MEANS WHEN IT IS DESIRED TO CAUSE BOTH SAID FLOATING MEANS TO CONVERGE ON SAID PISTON TO HOLD SAID PISTON BETWEEN BOTH SAID FLOATING MEANS.
Claim 2
Dependent Claim
132 words
IN A HYDROPNEUMATIC SHOCK ABSORBER HAVING A CYLINDER CHARGED WITH AIR AND HYDRAULIC FLUID, A CENTRAL TUBULAR DEPENDING STRUCTURE DIVIDING SAID CYLINDER INTO AN INNER AND OUTER CHAMBER AND A PISTON ARRANGED TO RECIPROCATE WITHIN SAID OUTER CHAMBER, A MEANS TO HOLD SAID PISTON IN ANY POSITION ALONG THE LENGTH OF SAID CYLINDER TO FORM A RIGID LINK, WHICH MEANS COMPRISES: A FIRST FLOATING MEANS MOUNTED IN SAID OUTER CHAMBER ABOVE SAID PISTON; A SECOND FLOATING MEANS MOUNTED IN SAID OUTER CHAMBER BELOW SAID PISTON; AND PASSAGES IN SAID CYLINDERS ABOVE AND BELOW SAID FIRST AND SAID SECOND FLOATING MEANS TO PORT FLUID BEHIND BOTH SAID FLOATING MEANS WHEN IT IS DESIRED TO CAUSE BOTH SAID FLOATING MEANS TO CONVERGE ON SAID PISTON TO HOLD SAID PISTON BETWEEN BOTH SAID FLOATING MEANS.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |