| 摘要 |
PURPOSE: A clutch master cylinder for a vehicle is provided to compatibly use the components in a compressing chamber regardless of the diameter of the compressing chamber by integrating two types of clutch master cylinders. CONSTITUTION: In a compressing chamber, a position to install a valve assembly(22) is formed to have a small diameter while a position to load a piston(17) is formed to have a large diameter. Herein, a boundary(32) of a large diameter compressing chamber(30) and a small diameter compressing chamber(31) is out of a loading range, between the top dead points of the valve assembly and the piston. According to the integrated two types of master cylinders having compressing chambers of different diameters, components are compatible.
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