Trailer construction

Land vehicles: dumping – Hopper type

Patent

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Details

280789, 296184, 298 7, 298 27, B60P 156

Patent

active

053261569

ABSTRACT:
An improved tractor-trailer assembly utilizes a trailer bottom wall having a drop center portion which is located rearwardly of the longitudinal midpoint of the trailer. The bottom wall of the cargo container is attached to and suspended from the upper edges of the sidewalls of the trailer. In one form of the invention, the bottom wall has a rectangular cross-sectional configuration, and in another form of the invention, the bottom wall has an arcuate U-shaped cross-sectional configuration.

REFERENCES:
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patent: 1908684 (1933-05-01), Buchanan
patent: 3139286 (1964-06-01), Johnson
patent: 3310345 (1967-03-01), Rowden
patent: 3419310 (1968-12-01), Gramlich
patent: 3883148 (1975-05-01), Miller
patent: 4058239 (1977-11-01), Van Mill
patent: 4070059 (1978-01-01), Ksenych
patent: 4227732 (1980-10-01), Kish
patent: 4258953 (1981-03-01), Johnson
patent: 4348047 (1982-09-01), Harshman

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