发明名称 Helicopter supported material transfer assembly
摘要 A material handling assembly primarily in the form of a clamshell structure being hyraulically activated and used in combination with a helicopter for the support of the clamshell structure and its operation thereof between a closed and an open position. The height and actual positioning of the clamshell relative to any applicable types of materials being handled or transferred is regulated by the height and positioning of the helicopter.
申请公布号 US4826109(A) 申请公布日期 1989.05.02
申请号 US19880217624 申请日期 1988.07.11
申请人 CAMUS, MARK D. 发明人 CAMUS, MARK D.
分类号 B64D1/22;(IPC1-7):B64D1/22 主分类号 B64D1/22
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