| 摘要 |
PROBLEM TO BE SOLVED: To simplify a structure of a buffer by improving the buffer.SOLUTION: A buffer D1 comprises: a piston 1 for blocking two chambers (L1, L2); a flow passage 10 formed on the piston 1 and communicating the two chambers (L1, L2); and one or more annular plate-like leaf valves 2a-2c laminated on the piston 1 and openably/closably blocking an outlet of the flow passage 10. The last leaf valve 2c laminated on the piston 1 is provided with a punching rib 3A indented on a valve disc side and projecting on a side opposite to the valve disc side. |
