Driveway truck restraining apparatus

Details Driveway truck restraining apparatus Driveway truck restraining apparatus

1987-02-24

1989-04-04

Spar, Robert J.

Material or article handling

Load-transporting type vehicle and external means...

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

B65G 6702

Patent

active

048181706

ABSTRACT:
A driveway truck restraining apparatus including a sealed casing embedded partially in the ground, a ram mounted in the casing for movement between a storage position and an operative position blocking the travel of the ICC bar located on the back of a truck, a pneumatic piston and cylinder assembly mounted on the loading dock and being operatively connected to the ram, and an indoor signal assembly mounted on the inside of the loading dock and an outdoor signal assembly mounted on the outside of the loading dock, the signal assemblies being electrically connected to the piston and cylinder assembly to provide control signals indicating the position of the ram and the absence or presence of a truck at the loading dock.

REFERENCES:
patent: 2637454 (1953-05-01), Rowe
patent: 4127856 (1978-11-01), Bickel
patent: 4267748 (1981-05-01), Grunewald et al.
patent: 4488325 (1984-12-01), Bennett et al.
patent: 4555211 (1985-11-01), Metz
patent: 4589813 (1986-05-01), Hagen et al.
patent: 4664582 (1987-05-01), Edmeads
patent: 4695216 (1987-09-01), Erlandsson
patent: 4735542 (1988-04-01), Fisher et al.
patent: 4759678 (1988-07-01), Hageman
patent: 4767254 (1988-08-01), Kovach et al.

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