| 摘要 |
PURPOSE: A structure of a buffering and a backup ring for a hydraulic breaker is provided to enable a piston to regularly hit a chisel by regularly ascending and descending the piston. CONSTITUTION: A buffering structure(1) for a hydraulic breaker comprises a first horizontal surface(100) and a second horizontal surface(105) in which a groove(111) is formed. Inner pieces(11) and outer pieces(10) are integrally formed. An incline(101) is formed on the outer surface of the first horizontal surface. The outer pieces are integrally connected to one side of the groove and the second horizontal surface. The inner pieces are integrally connected to the other side of the groove. |
