发明名称 Tree digging apparatus
摘要 An apparatus for continuous field digging and cleaning of nursery trees for transplanting comprises; a support frame pulled by a tractor with a fixed ground engagement digging blade and a pivoted removal and treatment basket extending therefrom. A powered eccentric drive arm secured to the basket oscillating same within a confined range of movement so as to expose and free the tree root system from the surrounding earth during operation.
申请公布号 US5909714(A) 申请公布日期 1999.06.08
申请号 US19970991576 申请日期 1997.12.16
申请人 STONER, GLEN 发明人 STONER, GLEN
分类号 A01G23/04;(IPC1-7):A01G23/02 主分类号 A01G23/04
代理机构 代理人
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