Rotatable screw conveyor for discharging chip silos

Details Rotatable screw conveyor for discharging chip silos Rotatable screw conveyor for discharging chip silos

1978-12-18

1981-04-28

Saifer, Robert W.

Material or article handling

Static receptacle and means for charging or discharging, or...

Nongravity discharging means

222412, B65G 6500, B65G 100

Patent

active

042642582

ABSTRACT:
A screw conveyor 14 is mounted on the sub-floor 11a of a chip silo 11, and rotates as a radial arm to convey the chip material into a cover 17 through an inlet opening 18 and to a central discharge shaft 12. The cover 17 rotates together with the screw conveyor, and has a spiral cross-section with its radial step or break disposed on the conveyor axis. The cover radius continually increases in the direction of rotation, to thereby prevent the column of chip material in the silo from exerting a braking force on its side wall.

REFERENCES:
patent: 3104022 (1963-09-01), Shaffler et al.
patent: 3252597 (1966-05-01), Hildebrand
patent: 3490617 (1970-01-01), Mast et al.
patent: 3908839 (1975-09-01), Menaut
patent: 3990590 (1976-11-01), Zompetta

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