Discharge closure for silo unloader

Details Discharge closure for silo unloader Discharge closure for silo unloader

1980-09-26

1982-04-20

Scherbel, David A.

Dispensing

Motor operated outlet element

215215, 215252, 222505, 222549, 222557, B67D 501

Patent

active

043255027

ABSTRACT:
An openable discharge closure is provided, for silo bottom unloaders, in which the closure comprises a door-like member that is moved vertically downwardly and transversely away from the discharge opening. A sweeper or broom may be mounted for engagement by the upper surface of the closure as it moves laterally away from the opening. The motion of the closure is controlled by a single drive mechanism that provides both vertical and pivotal movement, with the vertical movement enabling the door to move upwardly or downwardly, and the pivotal movement enabling the door or closure to move transversely.

REFERENCES:
patent: 241568 (1881-05-01), Spratt
patent: 1231400 (1917-06-01), Mackall
patent: 2180468 (1939-11-01), Hockstim
patent: 2774515 (1956-12-01), Johansson et al.
patent: 3473696 (1969-10-01), Morris

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