| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a stopper ring to be attached onto a piston at a low price by pressing, to exhibit excellent assembling efficiency of a stopper pin and the stopper ring, and to surely prevent the stopper pin from being slipped out. <P>SOLUTION: In this center valve type hydraulic master cylinder for vehicle, the stopper ring 23 is formed by a ring body by rolling a band shaped board material. The ring body is provided with confronting insertion holes 26 through which both ends 22a, 22a of the stopper pin 22 are inserted, and a plurality of protrusions 27 protruding from an outer peripheral surface of the ring body and arranged in rows along the peripheral direction of the ring body. The both ends 22a, 22a of the stopper pin 22 inserted into an insertion hole 20 formed on a rear shaft 6b of a primary piston 6 are inserted into the insertion holes 26, 26 of the stopper ring 23 fitted on the rear shaft 6b, and a fitting clip 29 for preventing the stopper pin 22 from being slipped out is attached on the stopper ring 23. The fitting clip 29 is positioned by the plurality of the protrusions 27, and the stopper pin 22 is surely prevented from being slipped out. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
