Dockboard assembly

Details Dockboard assembly Dockboard assembly

1982-03-08

1984-06-26

Purser, Ernest R.

Bridges

Gangway, ramp, or dock leveler

Attached

E01D 100

Patent

active

044557035

ABSTRACT:
An adjustable dockboard for bridging the gap between a loading dock and a carrier, the dockboard including a ramp member hingedly connected to the loading dock and biased to an elevated position, and a tread plate assembly positioned in the ramp member and movable to an extended position to engage the bed of a carrier when the ramp member is lowered, the tread plate assembly being locked into a set position on engagement with the bed of the carrier, the tread plate assembly being removeable from the carrier for repair and maintenance and the ramp member being seated in the dockboard by its own weight.

REFERENCES:
patent: 2560064 (1951-07-01), Astry
patent: 2993219 (1961-07-01), Pennington
patent: 3006008 (1961-10-01), Loomis et al.
patent: 3034162 (1962-05-01), Smith
patent: 3138812 (1964-06-01), Prosser
patent: 3167796 (1965-02-01), Layne
patent: 3268932 (1966-08-01), Hartman
patent: 3299456 (1967-01-01), Dieter et al.
patent: 3763514 (1973-10-01), Bishop
patent: 3882563 (1975-05-01), Smith et al.
patent: 4224709 (1980-09-01), Alten

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