Material or article handling – Load-transporting type vehicle and external means... – Means serves to align wheeled vehicle and load receiving or...
Patent
1988-11-01
1990-08-07
Spar, Robert J.
Material or article handling
Load-transporting type vehicle and external means...
Means serves to align wheeled vehicle and load receiving or...
414917, 14 711, B65G 6702, B65G 6900
Patent
active
049463306
ABSTRACT:
Apparatus for restraining movement of a parked vehicle away from a loading dock comprises an upwardly extending block which is movable from a lower position to an upper position which captures a portion of the parked vehicle to restrain movement of the parked vehicle away from the loading dock. This apparatus provides a safety lock system to ensure that during loading and unloading of a parked vehicle the vehicle cannot accidentally pull away from the loading dock which would result in injury to the forklift truck operator. A linkage mechanism is provided which provides for the raising and lowering of the block. A drive mechanism raises and lowers the linkage in determining the lower an upper positions of the block. The linkage comprises two spaced-apart linked arms which may be in the form of a parallelogram linkage arrangement.
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Levelators, The Rotary Lift Company, 1947, p. 14.
Pedersen John E.
Pedersen Paul A.
Katz Robert S.
Pentalift Equipment Corporation
Spar Robert J.
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