Dumping hopper

Details Dumping hopper Dumping hopper

1980-08-11

1983-10-11

Blix, Trygve M.

Material or article handling

Device for emptying portable receptacle

Elevator type

414403, 414404, 414422, B66F 919

Patent

active

044089465

ABSTRACT:
The application discloses a design for an automatically dumping hopper for use with a forklift. The hopper is designed for a 1-man operation with the operator transporting stacking and dumping the hopper without leaving the forklift seat and without the use of any controls other than the controls of the forklift. Two embodiments of the invention are disclosed. One embodiment which is useful for sand, gravel and other loose bulk material has a hinged bottom secured to the sidewalls with a hasp latch constructed such that when the hopper is tilted on edge, the hasp clears from its retainer, releasing the bottom to open when the hopper is lifted. The latch only releases upon tilting of the hopper so that the hopper can be transported and stored when lifted vertically. The second embodiment, which is useful as a hopper for trash or other loose bulk material, has a pivotally mounted hopper on a base with an inclined front wall and a bracket that hooks onto a receiving box, permitting the operator to partially withdraw the fork of the lift fork, releasing the pivoted end of the hopper so that raising the fork will tip the hopper, dumping its contents into the receiving box.

REFERENCES:
patent: 2705571 (1955-04-01), Streb et al.
patent: 2816673 (1957-12-01), Chapman, Jr.
patent: 3006490 (1961-10-01), Dempster et al.
patent: 3307724 (1967-03-01), Miller
patent: 3613924 (1971-10-01), Monson
patent: 3719296 (1973-03-01), Larson, Jr.
patent: 3966068 (1976-06-01), Duvia
patent: 3984017 (1976-10-01), Giles
patent: 4286913 (1981-09-01), Rowe et al.

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