Patent No. 4,533,280 Surface Removal Silo Unloader Issued: August 6, 1985 Inventor: Tom Elliott and Todd Knecht, Towanda, PA

An improved silo unloader having an ensilage cover of air impermeable thermally insulating material for limiting air contact with the surface of the ensilage. The ensilage cover rests on the surface of the ensilage and rotates with the lower part of the silo unloader. The ensilage cover is preferably constructed of upper and lower layers of air-impermeable material with an insulating layer between. The lower layer is preferably coated with a material which is resistant to adherence of frozen material.

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