发明名称 Pole-mounted pruning device
摘要 A pruning device for cutting tree limbs includes a head assembly mounted atop an elongated pole and activated by a tether line. The head assembly can be pivoted to various angles relative to the pole axis without impairing the effectiveness of the tether line to apply pulling force for achieving cutting of upwardly angled tree limbs.
申请公布号 US6694621(B1) 申请公布日期 2004.02.24
申请号 US20020281492 申请日期 2002.10.29
申请人 BOLEY ROBERT E.;BOLEY KAREN S. 发明人 BOLEY ROBERT E.;BOLEY KAREN S.
分类号 A01G3/08;(IPC1-7):B26B13/26 主分类号 A01G3/08
代理机构 代理人
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