Lift and seal drum dumper

Details Lift and seal drum dumper Lift and seal drum dumper

1992-08-20

1994-04-12

Huppert, Michael S.

Material or article handling

Device for emptying portable receptacle

Rotary cradle

414292, 414303, 414639, 298 7, 298 11, B65G 6534

Patent

active

053020731

ABSTRACT:
A dumper for use in dumping the contents of a container. The dumper includes a hollow receiving portion for receiving therein at least an upper end of the container and an outlet portion for guiding contents emanating from the container to a desired location. A mechanism for effecting a relative movement between the receiving portion and the upper end of the container and an orientation of the receiving portion onto the upper end of the container is provided. An inflatable bladder mechanism is mounted on an inwardly facing surface of the receiving portion and oriented to engage a peripheral side surface of the container, when inflated, with sufficient force to clamp and hold the container to the receiving portion. A tipping mechanism is also provided for tipping the receiving portion and the container in unison only when the bladder is inflated.

REFERENCES:
patent: 2756883 (1956-07-01), Schreck
patent: 2822113 (1958-02-01), Joiner, Jr.
patent: 4221523 (1980-09-01), Eberle
patent: 4569623 (1986-02-01), Goldmann
Hercules Industries pamphlet entitled Drum and Container Dumpers (1987)--20 pages.

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