Load handling apparatus
Abstract
Abstract A LOAD HANDLING APPARATUS FOR LIFTING LOADS EITHER FROM THE BOTTOM OR FROM THE TOP. THE APPARATUS IS THE TYPE WHICH HAS A PAIR OF SPACED UPRIGHT INVERTED U-SHAPED SUPPORT FRAMES FOR STRADDLING A LOAD. A GRAPPLE FRAME IS MOVABLY CARRIED BY THE SUPPORT FRAMES. A PAIR OF MOVABLE CARRIAGES ARE MOUNTED ON OPPOSITE ENDS OF THE GRAPPLE FRAME. A PAIR OF ARMS ARE SWINGABLY MOUNTED ON OPPOSITE SIDES OF EACH OF THE CARRIAGES FOR ENGAGING THE UNDERSIDE OF A LOAD. A PAIR OF LATCH MEMBERS ARE ALSO MOUNTED AT OPPOSITE SIDES OF EACH OF THE CARRIAGES FOR ENGAGING THE TOP PORTION OF A LOAD. THE LATCH MEANS ARE INOPERATIVE WHEN THE ARMS ARE OPERATIVE WHILE THE ARMS ARE INOPERATIVE WHEN THE LATCH MEANS ARE OPERATIVE. THE MOUNTING OF THE LATCH MEANS ON THE CARRIAGE IS SPACED FROM THE MOUNTING OF THE ARMS TO THE CARRIAGE SO THAT THE LIFT ARMS OPERATE FREE OF THE LATCH MEANS AND THE LATCH MEANS OPERATE FREE OF THE LIFT ARMS.
Inventors
- 👤 Gerald P Lamer
- 👤 Elliott S Burdick
- 👤 Forrest V Swanson
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |