Frame construction for a dockboard

Details Frame construction for a dockboard Frame construction for a dockboard

1975-07-28

1977-03-29

Byers, Nile C.

Bridges

Gangway, ramp, or dock leveler

Attached

E01D 100

Patent

active

040140598

ABSTRACT:
A frame construction for an adjustable, pit mounted dockboard. The frame includes a rear frame section and a front frame section which are connected solely by a tubular housing that contains a spring for the ramp counterbalancing assembly. Leveling members are adjustably mounted for free vertical movement on the base member of each frame section, and after levelling of the frame in the pit, the leveling members are welded to the frame sections to support the frame in the leveled condition.

REFERENCES:
patent: 3271801 (1966-09-01), Dieter
patent: 3308497 (1967-03-01), Lambert
patent: 3528118 (1970-09-01), Smith
patent: 3699601 (1972-10-01), Hecker
patent: 3886615 (1975-06-01), Metro

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