发明名称 GRAPPLE SAW HARVESTER FOR COLLECTION OF CONE-BEARING TREE TOPS
摘要 An improved tree top harvester for use in association with a helicopter is disclosed. The apparatus includes a collection basket, a pair of grapple arms, and a saw. Trees collected in the basket may be dropped, at a predetermined site. The apparatus provides economy in time, and permits accurate selection of tree tops by the helicopter operator.
申请公布号 CA2021812(A1) 申请公布日期 1992.01.25
申请号 CA19902021812 申请日期 1990.07.24
申请人 KARRER, ROBERT B. 发明人 KARRER, ROBERT B.
分类号 A01G3/08;A01G23/00;(IPC1-7):A01G23/00 主分类号 A01G3/08
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