Tail bridge

Details Tail bridge Tail bridge

1988-02-29

1989-08-08

Massie, IV, Jerome W.

Bridges

Gangway, ramp, or dock leveler

E01D 100

Patent

active

048539996

ABSTRACT:
The invention provides a tail bridge for bridging a tail end of a motor vehicle and the ground with a ramp rail. A foot part for the tail bridge includes a lower section plate to be placed on ground, an upper section plate solidly jointed to the lower section plate to provide an about V-shape with the apex of the V away from the ramp rail, an upper extension plate joined to the other end of the upper section plate and forming therewith an angle of from about 30 to 70 degrees, and a lower extension plate joined to the other end of the lower section plate away from the apex of the V such that the upper and the lower extension plates are disposed about parallel to each other. Holes are provided in the upper and the lower extension plates for attaching a beam of lumber. A first plate structure to be placed on the motor vehicle tail end is joined along a straight line at one edge to a second plate structure making a angle of from 12 to 20 degrees with the first plate structure. An intermediate plate structure is attached at the joint of the first and second plate structures and runs downwardly.

REFERENCES:
patent: 472612 (1988-03-01), Smith
patent: 1568303 (1926-01-01), Webster
patent: 2594425 (1952-04-01), Greenberg
patent: 3984891 (1976-10-01), Weinmann
patent: 4528711 (1985-07-01), Packer

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