发明名称 Quick-detach vehicle-mounted auger driver
摘要 The present invention provides a device useful for boring holes into the earth, and is especially useful for drilling holes in which fence posts are to be placed. A device according to the invention is completely self-powered, having its own on-board engine which supplies all of the power necessary for the boring operation and other movements of the device associated therewith. A device according to the invention is readily removable from and attachable to a motorized vehicle equipped with a trailer hitch, and is adapted to configure itself in a retracted position for ease in storage and transportation.
申请公布号 US2005103529(A1) 申请公布日期 2005.05.19
申请号 US20030713664 申请日期 2003.11.17
申请人 ROSSI FRANK W. 发明人 ROSSI FRANK W.
分类号 E21B3/02;E21B7/00;(IPC1-7):E21B3/02 主分类号 E21B3/02
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