| 摘要 |
PURPOSE:To reduce the axial length of a booster by arranging an inlet value at one side of an input lever and providing an outlet valve on the same axis as the input lever. CONSTITUTION:Ball type first and second inlet valves 261 and 262 and a spool type outlet valve 27 are juxtaposed in a booster piston 19. The first and second inlet valves are provided in parallel to an input lever 35 at the side of the input lever 35, respectively. On the other hand, the outlet valve 27 is comprised with a valve cylinder 33 fixed to the booster piston 19 and the tip section of the input lever 35 that is fit in the valve cylinder 33. As a result, the inlet and outlet valves 26 and 27 are arranged at the side of the input lever 35 or on the same axis as the input lever 35, respectively. Consequently, the axial length of a booster (B) is reduced. |
