Vehicle seat
Abstract
Abstract A SEAT COMPRISING A BASE PART HAVING A VERTICALLY EXTENDING PORTION AND A SEAT PART BIASED APART AND CONNECTED BY UPPER AND LOWER LINKS ON EACH SIDE. ALL OF THE LINKS ARE PIVOTALLY CONNECTED TO THE BASE PART AND TO THE SEAT PART. THE UPPER LINKS SLOPE UPWARD TO THE REAR AND THE LOWER LINKS SLOPE DOWNWARD TO THE REAR, WHEREBY LINEAR EXTENSIONS OF SAID UPPER AND LOWER LINKS WOUND CONVERGE AND INTERSECT GENERALLY IN THE AREA OF THE KNEE OF AN OCCUPANT OF THE SEAT. ON EACH SIDE OF THE SEAT THE VERTICAL COMPONENT OF DISTANCE BETWEEN THE REAR ENDS OF THE UPPER AND LOWER LINKS IS GREATER THAN THE VERTICAL COMPONENT OF DISTANCE BETWEEN THE FRONT ENDS OF THE UPPER AND LOWER LINKS. THE SEAT PART MAY BE LOCATED FORWARD, EVEN WITH, OR REARWARD OF THE VERTICALLY EXTENDING PORTION OF THE BASE PART IN DIFFERENT EMBODIMENTS. IN EACH INSTANCE, A BACK PART IS PREFERABLY CONNECTED TO THE SEAT PART IN SUCH A MANNER THAT THE BACK PART MAINTAINS A CONSTANT ANGLE OF RECLINATION.
Inventors
- 👤 Garth O Hall
- 👤 Arthur O Radke
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |