| 摘要 |
<P>PROBLEM TO BE SOLVED: To smooth the sliding operation of a connecting piece by reducing the sliding resistance of the connecting piece in a vacuum pressure booster in which the connecting piece to be fitted to a valve cylinder slidably in its radial direction is engaged with a valve piston at the time of emergency brake operation, and the axial relative position between the valve cylinder and the valve piston is kept constant. <P>SOLUTION: Sliding projecting parts 85, 86 abutted on any one of a valve cylinder 20A and a connecting piece 65 to guide the sliding operation of the connecting piece 65A are provided on the other of the valve cylinder 20A and the connecting piece 65A. <P>COPYRIGHT: (C)2010,JPO&INPIT |
