Vehicle restraint utilizing a fluid cylinder

Details Vehicle restraint utilizing a fluid cylinder Vehicle restraint utilizing a fluid cylinder

1986-09-08

1988-07-26

Aschenbrenner, Peter A.

Material or article handling

Load-transporting type vehicle and external means...

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

414396, 414584, B65G 6900

Patent

active

047596783

ABSTRACT:
An improved vehicle restraint for preventing movement of the vehicle such as a truck away from a loading dock during a loading operation. The vehicle restraint includes a guide frame mounted on the front face of the loading dock and a carriage or slide is moved vertically on the guide frame by a fluid cylinder unit between a lower storage position and an upper operative position. A restraining member is movably mounted with respect to the slide and is biased to an inoperative position where the restraining member is disposed beneath the level of the upper surface of the slide. Extending the cylinder unit will move the slide upwardly into engagement with the ICC bar on the truck and further extension of the cylinder unit after engagement of the slide with the ICC bar will move the restraining member from the inoperative position to an operative position above the level of the slide to thereby provide an obstruction to prevent the truck from pulling away from the loading dock.

REFERENCES:
patent: 2637454 (1953-05-01), Rowe
patent: 2693284 (1954-11-01), Gerhardt
patent: 4127856 (1978-11-01), Bickel
patent: 4400127 (1983-08-01), Metz
patent: 4555211 (1985-11-01), Metz
patent: 4605353 (1986-08-01), Hahn et al.
patent: 4630989 (1986-12-01), Davey
patent: 4634334 (1987-01-01), Hahn et al.
Kelley Company Inc., "Truk Stop Automatic Trailer Restraining Device", 1982, pp. 1-4.

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