发明名称 POST HOLE DIGGER
摘要 A post hole digger comprising an auger and motor assembly pivotably mounted to one end of an elongate support structure, the other end of which being mounted via a pivot connection to a support base either mounted or adapted to be mounted to a vehicle, the elongate support structure being adapted to extend to permit the auger to be moved towards or away from the support base and the pivot connection permitting the auger to be raised or lowered or moved laterally relative to said support base.
申请公布号 CA1333389(C) 申请公布日期 1994.12.06
申请号 CA19890606200 申请日期 1989.07.20
申请人 OVENS, RONALD K. 发明人 OVENS, RONALD K.
分类号 E21B19/087;(IPC1-7):E21B7/02 主分类号 E21B19/087
代理机构 代理人
主权项
地址