Combination rear dump and bottom dump semi trailer

Details Combination rear dump and bottom dump semi trailer Combination rear dump and bottom dump semi trailer

1987-12-30

1989-11-28

Spar, Robert J.

Land vehicles: dumping

Tilting

Tilting about plural or shifting fulcrums

105239, 105260, 296184, 298 23TT, 298 27, B60P 156

Patent

active

048833215

ABSTRACT:
The present invention relates to a new type of trailer for trucks used in the construction industry. The invention discloses a combination bottom dump and end dump trailer in a single unit. The trailer generally comprises a cargo area, a bottom dump hatch in the cargo area, a tailgate door and lifting rams to lift the front of the trailer up to allow cargo to be dumped out the tailgate.

REFERENCES:
patent: 888793 (1908-05-01), Enley
patent: 3552659 (1971-01-01), Meyer
patent: 3917084 (1975-11-01), Swisher, Jr. et al.
patent: 4348047 (1982-09-01), Harshman
patent: 4678235 (1987-07-01), Hagenbuch

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