Liquid shock absorbing buffer
Abstract
Abstract A SHOCK ABSORBING BUFFER FOR VEHICLES WHICH INCLUDES A RIGID BACKING MEMBER AND A PLURALITY OF RESILIENT SHAPE RETAINING NORMALLY LIQUID FILLED BODY MEMBERS SECURED THERETO WITH A RESERVOIR CONNECTED TO EACH OF THE BODY MEMBERS IS DISCLOSED. THE CONDUIT IS SO SIZED AND CONSTRUCTED THAT UPON IMPACT LIQUID IS FORCED BY VISCOUS FLOW THROUGH THE CONDUIT TO A DISPLACED POSITION IN THE RESERVOIR, THE ENERGY OF IMPACT BEING DISSIPATED BY SAID DISPLACEMENT AND VISCOUS FLOW. THE RESERVOIR IS RESILIENT AND NORMALLY RETURNS TO A MINIMUM CONTAINMENT POSITION FOR RETURNING THE LIQUID TO THE BODY MEMBER BUT THE RESILIENCY IS OF SUCH A LOW DEGREE THAT NO SIGNIFICANT AMOUNT OF IMPACT ENERGY IS STORED IN THE RESILIENTLY EXPANSIBLE RESERVOIR UNIT.
Inventors
- 👤 John W Duckett
- 👤 Grant W Walker
- 👤 Duane B Ford
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |