Energy absorbing seat support
Abstract
Abstract AN ENERGY ABSORBING SUPPORT ASSEMBLY FOR SUPPORTING A VEHICLE SEATING UNIT ON A VEHICLE FLOOR, THE ENERGY ABSORBING SUPPORT INCLUDES A PAIR OF PARALLEL AND LATERALLY SPACED CHANNEL MEMBERS, EACH OF WHICH ACCOMMODATES A PAIR OF LONGITUDINALLY SPACED ROLLERS CARRIED ALONG A LOWER SIDE EDGE OF THE SEATING UNIT. EACH ROLLER HAS A DIAMETER GREATER THAN THE VERTICAL DISTANCE BETWEEN INNER BEARING SURFACES OF THE CHANNEL MEMBER AND IS LOCATED IN A WELL WHICH SERVES TO HOLD THE ROLLER FROM MOVEMENT RELATIVE TO THE ASSOCIATED CHANNEL MEMBER EXCEPT WHEN EXCESSIVELY LARGE FORWARDLY OR REARWARDLY DIRECTED INERTIAL FORCES ACT ON THE SEATING UNIT AT WHICH TIME THE ROLLERS DEFORM THE BEARING SURFACES IN THE CHANNEL MEMBER.
Inventors
- 👤 Donald C Perkins
- 👤 Leonard P Silk
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |