发明名称 HAMMER HEAD FOR HAMMER GRAB
摘要 PROBLEM TO BE SOLVED: To provide a hammer head, which does not fall even by the application of external force such as a continuous impact by the operation or the like of a hammer grab and in which assembly and replacement are facilitated, and a hammer grab device using the hammer head. SOLUTION: In the hammer head 30 installed at one end of the hammer grab and engaged with a crown 50 suspended from a crane, the hammer head has an engaging section engaged with the crown 50, a sliding block 20 with a cylindrical section 21b extended in one direction, using the engaging section 21a as a starting point and a hammer head body 31 mounted around the cylindrical section, and the engaging section 21a and the cylindrical section 21b are formed by integral working.
申请公布号 JP2002357069(A) 申请公布日期 2002.12.13
申请号 JP20010375232 申请日期 2001.12.10
申请人 ONO HARUMI 发明人 ONO HARUMI
分类号 E21B4/06;(IPC1-7):E21B4/06 主分类号 E21B4/06
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