Bunk silo unloader

Details Bunk silo unloader Bunk silo unloader

1993-11-12

1994-11-29

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Combined or convertible

241277, B02C 904, B02C 1806

Patent

active

053682424

ABSTRACT:
A silo unloader for comminuting and gathering silage from a bunk silo detachably connects to the forward end of a hydraulically operated agricultural vehicle. The silo unloader is also hydraulically operated via controls in the vehicle cab and includes a cylindrical drum rotatably carried between a pair of vertically oriented screw jacks. A pair of circular cutting teeth are positioned at either end of the drum and are rotatable therewith. The screw jacks are operable to rotate in synchronous and alternating directions with the drum being attached thereto via a pair of nut elements which are threadedly engaged to the screw jacks. As the screw jacks rotate in the clockwise and counter-clockwise directions, the nut elements and the drum travel downwardly and upwardly thereon, respectively.

REFERENCES:
patent: 3779408 (1973-12-01), Ivie
patent: 3961718 (1976-06-01), Lucas
patent: 3985305 (1976-10-01), Williamson et al.
patent: 4157164 (1979-06-01), Helm et al.
patent: 4367855 (1983-01-01), von der Heide
patent: 4923128 (1990-05-01), Ostrowski
patent: 5236343 (1993-08-01), Pinto et al.

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