Patent ID: 6131708
Filing Date: 2000-10-17
Classification: F16D

Abstract:
A drum brake device comprising:a back plate,two brake shoes set to face each other on top of said back plate,a service brake actuator activated by a service brake mounted on said back plate between a pair of first adjacent ends of said brake shoes,an anchor mounted on said back plate between a pair of second adjacent ends of said brake shoes,a shoe clearance adjustment device provided adjacent to said service brake actuator and provided between said brake shoes,a parking brake actuator comprising a parking brake lever and a strut adjacent to said anchor,a pivot lever rotatably pivoted longitudinally in the intermediate portion of one of said brake shoes and having one side and another side which respectively and functionally engage said shoe clearance adjustment device and said parking brake actuator, anda shock absorber placed on an outer periphery of said anchor comprises a cushioning portion located between said anchor and a pair of second ends of said brake shoes facing said anchor, a hooking portion clamping said anchor, and an elastic portion connecting said cushioning portion and said hooking portion.