发明名称 Chute closure device
摘要 A delivery chute flow control device is disclosed. The device has a body portion which mates with the remainder of the delivery chute. Affixed to one end of the body portion is a rotatable door which is used to control the flow of material. A locking mechanism is provided as a way of securing the door in a fixed position.
申请公布号 US4969586(A) 申请公布日期 1990.11.13
申请号 US19890368838 申请日期 1989.06.20
申请人 OSTROSKI, MICHAEL 发明人 OSTROSKI, MICHAEL
分类号 B65G11/20 主分类号 B65G11/20
代理机构 代理人
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