Drop frame trailer construction

Details Drop frame trailer construction Drop frame trailer construction

1988-11-30

1990-07-24

Spar, Robert J.

Material or article handling

Self-loading or unloading vehicles

Having elevating load body

410 291, 187 871, 187 18, 187 19, 187 92, B60P 102

Patent

active

049432044

ABSTRACT:
A drop frame floor assembly for use in a trailer or other such vehicle which includes a frame assembly, a floor assembly and a lift assembly. The lift is connected to the frame for elevating and lowering the floor assembly with respect to the frame. The lift includes first and second scissor assemblies secured between the frame and floor assembly and hydraulic actuators for actuating the scissor assembly.

REFERENCES:
patent: 613942 (1898-11-01), Rowan
patent: 636445 (1899-11-01), McCabe et al.
patent: 1003050 (1911-09-01), Kenyeres
patent: 1350087 (1920-08-01), Trapp
patent: 1405301 (1922-01-01), DeVol
patent: 2233055 (1941-02-01), Kennedy
patent: 4113119 (1978-09-01), Brown et al.
patent: 4149472 (1979-04-01), Naves et al.

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