Patent ID: 6062796
Filing Date: 2000-05-16
Classification: B65G

Abstract:
A vehicle restraint comprising: a frame mountable relative to a dock face, a linkage mounted to said frame for moving a restraining structure in a vertical manner between a stored position and a restraining position, said linkage comprising first and second arms pivotally connected to said frame, a third arm coupling said first and second arms to said restraining structure, a fourth arm coupling said first arm to said restraining structure to maintain said restraining structure in a generally vertical orientation, said restraining structure comprising a vertical member forming a barrier for preventing outward movement of a vehicle and a secondary hook mounted to said vertical member and movable relative to said vertical member for engaging a portion of a vehicle and restraining movement of said vehicle, a sensor bar pivotally connected to said vertical member, said sensor bar determining engagement of said restraint structure with a portion of said vehicle, a sensor positioned within said sensor bar and movable therewith and not in contact with said vehicle and a target member mounted within said sensor bar and in proximity to said sensor to provide an indication of the displacement of said sensor bar as it pivots.