发明名称 POST HOLE DIGGER
摘要 TITLE: POST HOLE DIGGER A post hole digger and a method of implanting a post in the ground. A boring implement having a piercing free end and also having an attachment means is secured to an end portion of a post to be implanted in the ground. The implement has a tapered body section with a projecting serrated edge on opposed sides thereof. The serrated edges extend angularly from a common longitudinal plane and in opposed angular directions. A pipe section is secured to the implement and a garden hose is connected thereto whereby to direct a stream of water in the direction of said piercing free end whereby axial rotation and counter-rotation of said post causes the implement to bore into the ground to cause said post to descend in a bore hole. After the post is implanted the garden hose is disconnected from the pipe section by applying a pulling force on the hose.
申请公布号 CA2001180(A1) 申请公布日期 1991.04.16
申请号 CA19892001180 申请日期 1989.10.20
申请人 INDUSTRIES L.T.A. INC. (LES)/L.T.A. INDUSTRIES INC. 发明人 CHARLAND, GUY;BEAUDOIN, ROBERT
分类号 E21B7/26;E21B10/26;E21B10/42;E21B10/60;(IPC1-7):E02F5/20 主分类号 E21B7/26
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