发明名称 Vehicle mounted post hole digger
摘要 A vehicle mounted post hole digger for digging post holes in the ground. The vehicle mounted post hole digger includes a spaced apart pair of adjustably extendible support braces with base pivotally coupled to forwards ends of the support braces. A first end of a telescopic boom arm is pivotally coupled to a first end of the base. A motor is pivotally coupled to a second end of the boom arm. The motor has a rotating shaft outwardly extending therefrom to which an elongate auger is attached.
申请公布号 US6155359(A) 申请公布日期 2000.12.05
申请号 US19990226257 申请日期 1999.01.07
申请人 GARDNER, JOHN 发明人 GARDNER, JOHN
分类号 E21B7/00;E21B7/02;E21B19/087;(IPC1-7):A01B49/04;E21C11/02 主分类号 E21B7/00
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