AUTOMOBILE BRAKE SYSTEM ACTUATOR Russian patent published in 1997 - IPC

FIELD: transport engineering; brake systems. SUBSTANCE: front part of brake system booster housing has two bushings with thread, each engaging in hole formed in flange of brake master cylinder and serves as support of bolt head. Each bolt passes through corresponding inner bushing with thread and through booster and is provided with threaded portion projecting from rear wall of booster housing for turning into threaded bushings in automobile separating wall. Master cylinder flange is clamped between inner threaded bushing with and outer threaded bushing which are made hollow and have inner diameters exceeding those of head of corresponding bolt. Each outer threaded bushing has bushing extension engaging with inner threaded bushing through thread in flange hole. EFFECT: enlarged operating capabilities, enhanced reliability. 8 cl, 3 dwg