发明名称 SHAFT MEMBER REMOVING TOOL AND METHOD FOR REMOVING SHAFT MEMBER
摘要 PROBLEM TO BE SOLVED: To provide a shaft member removing tool and method for removing a shaft member, facilitating removal of the shaft member remaining in a workpiece.SOLUTION: The shaft member removing tool 20, for removing a remaining screw shaft portion 12a left in a workpiece 1 from the workpiece 1, includes: a shaft portion 21 to be driven into the remaining screw shaft portion 12a from one end; a head portion 22 provided on the other end side of the shaft portion 21; and a plurality of blade portions 23 protruding from a peripheral surface 21b of the shaft portion 21 in the diametrical direction and extending in the axial direction of the shaft portion 21.
申请公布号 JP2011000648(A) 申请公布日期 2011.01.06
申请号 JP20090143179 申请日期 2009.06.16
申请人 CHUGOKU ELECTRIC POWER CO INC:THE 发明人 HASHIMOTO HIDEO
分类号 B25B27/18 主分类号 B25B27/18
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