Material or article handling – Device for emptying portable receptacle – With gate or closure-type discharge control means
Patent
1980-09-24
1982-08-10
Sheridan, Robert G.
Material or article handling
Device for emptying portable receptacle
With gate or closure-type discharge control means
414415, 414420, 414786, B65G 6534
Patent
active
043435866
ABSTRACT:
An improved container dumping apparatus is a press adapted to hold at least one container with or without a pallet and a frame for supporting and surrounding the press where the press comprises a top hopper closure with a valve means on top, pulleys on each side, means for supporting the hopper closure on the frame, and means for pivoting the press, and a bottom support closure with a pulley on each side, and a means for attaching a cable, the frame comprises a rectangular prism with the front lateral portion missing so as to allow the press to pass through the front, having means for supporting the hopper closure and means for interacting with the press to cause the press to invert upon lifting off the frame and to right itself upon lowering onto the frame. A method of emptying a container comprises: placing at least one container on a support closure within a frame where the support closure is beneath a hopper closure supported on the same frame, the two closures forming a press; lifting the support closure by means of a lifting device, such as a crane, where the lifting devise is connected to the press by a cable which passes from the lifting devise down over pulleys on the sides of the support closure, up over pulleys on the sides of the hopper closure to a means for attaching the cable on the support closure, so that the top of the container is forced into the hopper closure; lifting further to cause the press to invert through a series of interactions with the frame; positioning the inverted press over the dumping site and emptying the hopper closure; positioning the press over the frame and lowering so that the press is caused to right itself through a series of interactions with the frame, the empty container coming free from the hopper closure and the support closure with the empty container returning to its original surface.
REFERENCES:
patent: 2851178 (1958-09-01), Rea et al.
patent: 2942716 (1960-06-01), Stone
Easley, Jr. Othel D.
Hoiseth Merlin G.
Reactor Services International, Inc.
Sheridan Robert G.
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