Dock leveler with folding barrier lip

Details Dock leveler with folding barrier lip Dock leveler with folding barrier lip

1995-03-06

1996-09-10

Bagnell, David J.

Bridges

Gangway, ramp, or dock leveler

Attached

14 713, E01D 100

Patent

active

055533434

ABSTRACT:
A dock leveler has a frame mounted at a dock, a deck pivoted at one end to said frame and a lip pivotally attached to said deck at the other end thereof. The deck is movable between a first operable position where the deck is substantially horizontal and the lip extended, a second operative position where the lip hangs pendant and the deck is declined and an inoperative position where the deck is substantially horizontal and the lip hangs pendant. A barrier is mounted to have a raised operative position protruding above the deck and an inoperative position flush with the deck. A mechanical linkage automatically raises the barrier when the deck is in the inoperative position and permits the barrier to be lowered to its inoperative position when the deck is in either operative position. The linkage is responsive to both movement of the deck and the position of the lip.

REFERENCES:
patent: 5040258 (1991-08-01), Hahn et al.
patent: 5157801 (1992-10-01), Alexander
patent: 5311628 (1994-05-01), Springer et al.
patent: 5333339 (1994-08-01), Larsen
patent: 5343583 (1994-09-01), Cook

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