Dockboard assembly
Abstract
Abstract A DOCKBOARD ASSEMBLY FOR EXTENDING BETWEEN A DOCK AND AN ADJACENT VEHICLE INCLUDING A SUPPORT STRUCTURE WITH A PLATFORM SECTION PIVOTALLY CONNECTED TO THE SUPPORT STRUCTURE AND A LIP SECTION PIVOTALLY CONNECTED TO THE PLATFORM SECTION. THE ASSEMBLY INCLUDES A TORSION BAR HAVING AN ELONGATED PORTION ROTATABLY SUPPORTED BY THE SUPPORT STRUCTURE WITH A FIRST END NON-ROTATABLY ATTACHED TO THE SUPPORT STRUCTURE AND A SECOND AND EXTENDING TRANSVERSELY TO THE ELONGATED PORTION AND DISPOSED IN SPACED RELATIONSHIP WITH THE PLATFORM SECTION. AN ADJUSTMENT LINK INCLUDING MALE AND FEMALE MEMBERS THREADEDLY CONNECTED TOGETHER PIVOTALLY INTERCONNECTS THE PLATFORM SECTION AND THE SECOND END PORTION OF THE TORSION BAR FOR ADJUSTING THE TORSIONAL MOMENT APPLIED TO THE PLATFORM SECTION BY THE TORSION BAR.
Inventors
- 👤 Douglas A Brown
- 👤 Robert C Beckwith
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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |