| 摘要 |
PURPOSE: To press a piston against a cylinge body with small force while preventing the generation of complication. CONSTITUTION: A pressing part 21 of a slider 10 which presses a piston 14 is spherically formed. A contact Q between the pressing part 21 and an end face of a rear end part 14a of the piston 14 is positioned on a center axis 22 of the cylinge body 13. |
