发明名称 Outdoor grain pit cover
摘要 An outdoor grain pit cover is disclosed for excluding of rain water and the like from a pit constructed for below ground temporary storage of grain transportable into and out of the pit by an auger. The cover includes a sleeve for protecting the housing of the auger, and further includes a rectangular hatch or door used to cover a chute or trough for loading grain from the grain pit into trucks when the elevators are being unloaded. Means for stabilizing the cover are also disclosed.
申请公布号 US4224770(A) 申请公布日期 1980.09.30
申请号 US19780968633 申请日期 1978.12.12
申请人 WAYSIDE MANUFACTURING CO., INC. 发明人 PETTY, JAMES A.
分类号 A01F25/13;(IPC1-7):E04H7/22 主分类号 A01F25/13
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