Land vehicles: dumping – Hopper type – Bottom opening
Patent
1991-06-27
1992-07-21
Spar, Robert J.
Land vehicles: dumping
Hopper type
Bottom opening
222502, B65D 4700, B60P 156
Patent
active
051317222
ABSTRACT:
A conventional bottom dump truck includes doors which in a closed position are suspended underneath the bottom opening of the hopper of the trailer. The doors are opened outwardly and upwardly by pivotal action about an upper suspension point of each of the doors. The amount of movement of the door is limited by an abutment member mounted upon a vertical flange on the outside surface of the hopper bottom. The abutment member includes an abutment plate extending outwardly from the flange together with a bracket which has a slot slidable along the length of the flange and locatable at different points along the length of the flange by a pin passing through openings in the bracket and one of a plurality of openings in the flange.
REFERENCES:
patent: 554474 (1896-02-01), Bradley
patent: 1417709 (1922-05-01), Yelm
patent: 2494472 (1950-01-01), DeSaussure
patent: 2836332 (1958-05-01), Standish et al.
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patent: 3135427 (1964-06-01), Siegburg
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patent: 3246811 (1966-04-01), Harms
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patent: 3786764 (1974-01-01), Beers et al.
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patent: 3815514 (1974-06-01), Heap
Ade Stanley G.
Battison Adrian D.
Dinicola Brian K.
Spar Robert J.
Thrift Murray E.
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