Loading lip extender operating mechanisms for edge mounted dock

Details Loading lip extender operating mechanisms for edge mounted dock Loading lip extender operating mechanisms for edge mounted dock

1995-09-29

1997-08-19

Lisehora, James

Bridges

Gangway, ramp, or dock leveler

Attached

14 713, E01D 100

Patent

active

056575025

ABSTRACT:
A loading lip extender operating mechanism for edge mounted dock levelers to elevate and lower a bridge plate connected to a dock and loading lip plate pivotably coupled to the bridge plate to follow the movements imparted to the bridge plate. The elevation of the bridge plate to a vertical orientation causing the loading lip plate to be extended above the level of the dock. The loading lip plate can be moved forwardly of the vertical position of the bridge plate outwardly and upwardly so it is extended over the truck bed parked adjacent the dock and dropped onto the truck bed to permit loading and/or unloading of the truck. The bottom side of the bridge plate carries a camming surface for coaction with a cam follower included with the lip extender operating mechanism. The operating mechanism is constructed as a unitary structure having quick release mounting clips to allow the unitary structure to be quickly mounted and de-mounted in essentially "zero" time. A lever actuated loading lip extender is provided for raising and lowering the loading lip plate that is coupled to the bridge plate to impart rotary forces thereto to elevate and lower the bridge plate along with the loading lip plate.

REFERENCES:
patent: 3974537 (1976-08-01), Ellis et al.
patent: 4065824 (1978-01-01), Ellis et al.
patent: 4689846 (1987-09-01), Sherrod
patent: 4935979 (1990-06-01), Walker et al.
patent: 5195205 (1993-03-01), Cook
patent: 5214818 (1993-06-01), Cook
patent: 5343583 (1994-09-01), Cook

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