发明名称 HYDRAULIC BREAKER, AND METHOD FOR MANUFACTURING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a hydraulic breaker, which does not need a long through bolt, and can be manufactured without using a large machine tool, and a method for manufacturing that. <P>SOLUTION: The hydraulic breaker 1 is provided with a cylinder 3 with a piston 10 slidably engaged to be movable forward and backward, and a front head 2 installed on the axial direction tip side of the cylinder 3 to which a chisel 8 is inserted to be movable forward and backward. The cylinder 3 and the front head 2 are directly fastened to each other by a pair of screws 17 and 19. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008114300(A) 申请公布日期 2008.05.22
申请号 JP20060296782 申请日期 2006.10.31
申请人 FURUKAWA ROCK DRILL CO LTD 发明人 FUKUI NOBUYOSHI;AYANO MASAKI
分类号 B25D17/00;B25D9/04 主分类号 B25D17/00
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