发明名称 Adjustable pitch garden hoe tool
摘要 Disclosure is made of a garden hoe tool, having an adjustable pitch head, to control the depth of the dig into the soil, and the head comprising a tool base blade and vertical sides on the base blade and a compression V spring to lock the pitch of the head, as adjusted.
申请公布号 US5285855(A) 申请公布日期 1994.02.15
申请号 US19930016252 申请日期 1993.02.11
申请人 BOJAR, JAMES A. 发明人 BOJAR, JAMES A.
分类号 A01B1/06;A01B1/08;(IPC1-7):A01B1/06;A01B1/22 主分类号 A01B1/06
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