Automatically adjustable shock absorbers
Abstract
Abstract A FLUID PRESSURE SHOCK ABSORBER OF THE TYPE HAVING A CYLINDER WITH A PISTON SLIDABLY MOUNTED THEREIN SEPARATING THE CYLINDER INTO VARIABLE VOLUME CHAMBERS, THE PISTON MOVEMENT DECREASING THE SIZE OF ONE OF THE CHAMBERS IN RESPONSE TO THE SHOCK LOAD EXERTED THEREON CREATING A PRESURE IN SUCH CHAMBER WHICH IS FUNCTION OF THE SHOCK LOAD. A PLURALITY OF SPACED APART PORTS IN THE CYLINDER CONNECT THE CHAMBERS THROUGH WHICH FLUID IS FORCED FROM ONE CHAMBER TO THE OTHER WHEREIN THE RATE OF SAID FLUID FLOW CONTROLS DECELERATION OF THE PISTON AS A SHOCK LOAD IS DISSIPATED, AND INCLUDING MEANS FOR AUTOMATICALLY VARYING THE RATE OF FLUID FLOW THROUGH THE PORTS AS A FUNCTION OF A PRESSURE FORCE IN SAID ONE CHAMBER.
Inventors
- 👤 Jerome R Singer
Bibliographic Details
Claims Analysis
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |