Truck restraint system

Details Truck restraint system Truck restraint system

1985-09-30

1986-12-23

Spar, Robert J.

Material or article handling

Load-transporting type vehicle and external means...

Means serves to align wheeled vehicle and load receiving or...

14 711, B65G 6702, B65G 6900

Patent

active

046309896

ABSTRACT:
The device for restraining a truck or transport trailer at a loading dock comprises a frame having a vertical securing face and a lower horizontal securing face for mounting of the device to a structure such as a loading dock and at least partially supported by a driveway in front of the loading dock. A pivotal bar member having one end pivotally secured to the frame above and intermediate the length of the lower horizontal bearing face and outwardly of the vertical securing face is movable from a generally horizontal vehicle release position to a vehicle restraining position with the bar generally perpendicular to the lower horizontal bearing face. The bar is moved by a hydraulic cylinder pivotally secured adjacent the forward end of the lower horizontal securing face and pivotally secured to said bar member to be angled rearwardly towards said vertical securing face. The cylinder is pivotally secured to arms extending below the bar beyond the pivot securement of the bar to the frame. The hydraulic cylinder, when actuated to extend, forces the bar to move from the vehicle release position to the vehicle restraint position. The pivot connection of the bar is spaced from the vertical securing face at least about nine inches to accommodate therebetween a vehicle IC bar. The pivotal bar cooperates to define an area for confining an IC bar and restrain the IC bar in this confined area in the event that the truck or tractor trailer is advertently moved away from the loading dock without following the proper steps for disengaging the truck restraint system. The arrangement is such to place the cylinder in compression in the event of unauthorized removal of the truck or trailer, with a large portion of the load being transmitted to the horizontal bearing face.

REFERENCES:
patent: 4127856 (1978-11-01), Bickel
patent: 4267748 (1981-05-01), Grunewald et al.
patent: 4379354 (1983-04-01), Hahn et al.
patent: 4488325 (1984-12-01), Bennett et al.
patent: 4555211 (1985-11-01), Metz

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