Material or article handling – Static receptacle and means for charging or discharging – or...
Patent
1983-07-14
1985-04-23
Sheridan, Robert G.
Material or article handling
Static receptacle and means for charging or discharging, or...
137312, 222108, 222556, 251299, B65G 310
Patent
active
045127034
ABSTRACT:
A silo unloader for unloading silage from a discharge opening in a bottom wall thereof includes a housing mounted in the opening having a downwardly extending discharge chute. The chute includes an inner sloping wall having a lower drip edge and a pair of side walls joined thereto with side edges sloping upwardly with respect to the drip edge in a direction opposite that of the sloping wall. The side edges define lower edges of a discharge outlet of the chute. A discharge door is mounted to pivot between an open and a closed position with respect to the discharge outlet and the door includes a resilient gasket around the perimeter adapted to provide an air-tight seal for the outlet when the door is closed. The discharge chute includes a lower sealing bar joined at opposite ends to the sidewalls, and spaced below and horizontally offset from the drip edge so that material falling over the drip edge does not interfere with establishing a tight seal when the door is closed. The discharge door is designed to be in clear view in all operative positions so that a visual check can be made to see that a tight seal is established. If silage or other material is hanging from the drip edge in a manner which might prevent a tight seal, the material is readily cleared away while the door is open before closing the door to establish the seal.
REFERENCES:
patent: 2654388 (1953-10-01), Glass
patent: 3710960 (1973-01-01), Stauffer et al.
patent: 4306828 (1981-12-01), Legille et al.
Flying Dutchman, Inc.
Sheridan Robert G.
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