发明名称 SPACER OF CONSTRUCTION MACHINERY
摘要 <P>PROBLEM TO BE SOLVED: To provide a spacer of construction machinery, which can improve workability of disassembly/assembly. <P>SOLUTION: A spacer 26 of construction machinery is interposed in a pin shaft coupling part that couples a support plate provided for a boom, an arm, a bucket and the like constituting an attachment of the construction machinery, and a base end of a hydraulic cylinder for driving the boom, the arm, the bucket and the like or a leading end of a piston rod, by means of a pin shaft 20. The spacer 26 comprises a cylindrical spacer body 27 and a gripping part 28 that is provided on the outer peripheral surface of the cylindrical spacer body 27. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2012225028(A) 申请公布日期 2012.11.15
申请号 JP20110092388 申请日期 2011.04.18
申请人 HITACHI CONSTR MACH CO LTD 发明人 KITAGAWA HIROYUKI
分类号 E02F9/00;E02F3/38 主分类号 E02F9/00
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