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 |