Tandem hopper trailer

Details Tandem hopper trailer Tandem hopper trailer

1988-04-06

1989-04-04

Paperner, Leslie J.

Land vehicles: dumping

Hopper type

Bottom opening

2961801, 296181, 296184, B60P 156

Patent

active

048180246

ABSTRACT:
An on-road hopper trailer has a hopper bin with front and rear walls, a rear ladder frame mounted on at least one axle extending forward to the rear wall of the bin, and a base frame mounted on the ladder frame. The base frame extends about the hopper bin and has four members each extending inwardly from the periphery of the bin. The hopper bin has a rectangular top frame from which a plurality of struts extend to the base and ladder frames to provide sufficient strength and rigidity to the structure.

REFERENCES:
patent: 2230988 (1941-02-01), Alexander
patent: 2250262 (1941-07-01), Hill
patent: 2616758 (1952-11-01), Meyers
patent: 3088774 (1963-05-01), Bernstein et al.
patent: 3139286 (1964-06-01), Johnson
patent: 3161418 (1964-12-01), Brennan et al.
patent: 3521930 (1970-07-01), Tucker
patent: 3815948 (1974-06-01), Alford
patent: 4165884 (1979-08-01), Allison et al.
patent: 4230360 (1980-10-01), Eisenman
patent: 4418853 (1983-12-01), Shaffer
patent: 4696238 (1987-09-01), Billingsley et al.

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