Land vehicles: dumping – Hopper type – Bottom opening
Patent
1992-04-21
1994-06-28
Huppert, Michael S.
Land vehicles: dumping
Hopper type
Bottom opening
298 7, B60P 156
Patent
active
053240979
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. An elongate triangular body can be positioned between the doors during operation at minimum spacing so as to increase the angle of the surface of the doors beyond the angle of repose of the material to ensure complete discharge without hang up of the material on the doors.
REFERENCES:
patent: 1174677 (1916-03-01), Campbell
patent: 2401407 (1946-06-01), Benbow et al.
patent: 3966255 (1976-06-01), Licari
Photocopy of a photograph showing a machine manufactured by Midland Manufacturing Limited of Rosenort, Manitoba, Canada.
Ade Stanley G.
Battison Adrian D.
Huppert Michael S.
Krizek Janice
Thrift Murray E.
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