Elevator platform structure

Details Elevator platform structure Elevator platform structure

1976-11-08

1977-12-20

Blunk, Evon C.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 1R, B66B 700

Patent

active

040636194

ABSTRACT:
An elevator platform structure that basically includes a framework having side panels and an elevator platform horizontally disposed between those side panels and carried on hydraulic rams positioned within those side panels. The elevator platform includes a fixed horizontal ramp at one end edge thereof, and a pivotable ramp at the other end edge thereof. The pivotable ramp is spring biased so as to restrain same in a horizontal attitude at which the elevator platform may be loaded or unloaded over that ramp, and in a vertical attitude at which that ramp functions as a stop when the platform is loaded. The pivotable ramp is thus structured to cooperate with, e.g., a trailer's floor, during loading and unloading of that trailer. The framework, at the top thereof and adjacent to the fixed ramp end of the elevator platform, includes a safety bar extending across and above the platform to aid in protecting an operator when the elevator platform is in an elevated position.

REFERENCES:
patent: 1509375 (1924-09-01), Nolan
patent: 3054519 (1962-09-01), Fleming
patent: 3172501 (1965-03-01), Ramer
patent: 3341042 (1967-09-01), Carder
patent: 3521775 (1970-07-01), Vermette
patent: 3702645 (1972-11-01), Shaw
patent: 3749201 (1973-07-01), Clarke
patent: 3945469 (1976-03-01), Dorcich

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