发明名称 Spreader for a granular product
摘要 The subject invention involves, among other things, mounting impeller blades, of a unique design and construction, which are disposed below an outlet provided in a hopper so that the product flowing downwardly from the outlet may be spread distally in any conical pattern desired for deposit to form a pile or layer of substantially uniform depth.
申请公布号 US4031929(A) 申请公布日期 1977.06.28
申请号 US19760657393 申请日期 1976.02.12
申请人 COBB, WAYNE E.;COBB, EDWARD W. 发明人 COBB, WAYNE E.;COBB, EDWARD W.
分类号 A01F25/18;B65G69/04;(IPC1-7):A01C19/00 主分类号 A01F25/18
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