Patent
1975-04-11
1977-01-18
Reeves, Robert B.
B65G 6542
Patent
active
040034810
ABSTRACT:
A bottom unloader for a storage silo and of the kind having a sweep arm conveyor carrying an endless cutting and conveying chain, the sweep arm being pivoted at or near the silo wall so that it can be swung across the base of the silo and can cut and remove material therefrom, wherein the unloader comprises a pivotal mounting for the sweep arm, a drive assembly for the sweep arm conveyor chain and which is co-axial with the pivotal mounting, and a reciprocating drive assembly for swinging the sweep arm, the reciprocating drive assembly being arranged below the sweep arm and for reception in a radial trough in the base of the silo.
REFERENCES:
patent: 2675931 (1954-04-01), Makous
patent: 3443700 (1969-05-01), Cymara
patent: 3794188 (1974-02-01), Denman
Austin Hoy and Company Limited
Reeves Robert B.
Shannon John P.
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