Apparatus for feeding material out of silos or from stacks

Details Apparatus for feeding material out of silos or from stacks Apparatus for feeding material out of silos or from stacks

1979-08-06

1981-08-25

Sheridan, Robert G.

Material or article handling

Coal storage type

414307, 414312, B65G 6546

Patent

active

042856221

ABSTRACT:
Apparatus for feeding material from a large supply of such material wherein a screw is horizontally disposed at the bottom of the piled material. Both ends of the screw are mounted in a trunnion bracket in a traversing carriage which supports the screw and allows axial movement relative to the trunnion carriages and skewing movement in a horizontal plane. A drive motor is mounted directly to the screw and is in turn supported in a trunnion bracket. Separate drive motors power the carriage at both ends of the screw. Proximity switches are disposed in conjunction with the front trunnion bracket to both limit the degree of skewing and to control the traversing motors on the carriages to keep the apparatus aligned and reciprocating beneath the piled material.

REFERENCES:
patent: 3608752 (1971-09-01), Peterson et al.
patent: 3648860 (1972-03-01), Wennberg
patent: 3896943 (1975-07-01), Knutsen
patent: 3944086 (1976-03-01), Frisz et al.
patent: 4099632 (1978-07-01), Berg et al.
patent: 4206840 (1980-06-01), Hanson
Bark=Money Paper Trade Journal, Nov. 15, 1978.

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