Loading ramp

Details Loading ramp Loading ramp

1982-05-20

1984-04-24

Leppink, James A.

Bridges

Gangway, ramp, or dock leveler

E01D 100

Patent

active

044439059

ABSTRACT:
At least two plates hinged along a confronting pair of edges by hinge members having depending feet which hold the two plates slightly elevated along the hinge and allow the plates to assume relative positions which subtend whatever appropriate angle is necessary for the unhinged ends of the plates to establish contact with a loading dock surface and truck cargo area surface when the two plates are used as a ramp for transferring cargo on dollies or the like between the dock and truck.

REFERENCES:
patent: 2607937 (1952-08-01), Stone
patent: 2759207 (1956-08-01), Pennington
patent: 2779958 (1957-02-01), Hodges et al.
patent: 3030645 (1962-04-01), Shaw
patent: 3102583 (1963-09-01), Rowe et al.
patent: 3153798 (1964-10-01), Drevitson
patent: 3164965 (1965-01-01), Martin
patent: 3599382 (1971-08-01), Stone, Jr.
patent: 3858355 (1975-01-01), Root
patent: 4162551 (1979-07-01), Serrano
patent: 4285514 (1981-08-01), Romero

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