| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost hydraulic brake device dispensing with tuning of a pressure regulating means. SOLUTION: A pressure damper chamber R4 is provided in a power piston 30 between a spool 14 and a reaction disc 41. The pressure damper chamber R4 is connected to a reservoir 7 via a check valve 60 allowing the passing of brake liquid from the pressure damper chamber R4 to the reservoir 7 and an orifice 61b provided in parallel to the cheek valve 60. |
