Land vehicles: dumping – Tilting – With cover or endgate control
Patent
1989-06-23
1990-07-10
Spar, Robert J.
Land vehicles: dumping
Tilting
With cover or endgate control
298 1R, 180 2402, 280 811, B62D 6110
Patent
active
049402870
ABSTRACT:
Apparatus which enhances the load carrying capacity of a dump truck without interfering with dumping of the dump bed. A rigid frame which is added to the back end of the truck includes a beam carrying an axle and a pair of wheels. A hydraulic cylinder pivots the beam between a load bearings position in which the wheels travel on the roadway to bear part of the dump bed load and a raised position in which the beam extends vertically between a pair of side by side tail gates. A hinged door operates in the space between the two tail gates to prevent spillage of the load through the space while accommodating extension of the beam through the space when the dump bed is raised to dump its load. A diverter in the dump bed deflects material away from the space and toward the tail gate openings.
REFERENCES:
patent: 3112100 (1963-11-01), Prichard
patent: 3191961 (1965-06-01), Brennan et al.
patent: 3271077 (1966-09-01), Timmer et al.
patent: 3371543 (1968-03-01), Jackson et al.
patent: 3838885 (1974-10-01), Brennan et al.
patent: 3895818 (1975-07-01), Fearon
patent: 4063779 (1977-12-01), Martin et al.
Hienz William M.
Proc Products, Inc.
Spar Robert J.
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