Patent ID: 6062353
Filing Date: 2000-05-16
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 one pair of adjacent ends of said brake shoes;an anchor mounted on said back plate between a second pair of 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 activated by a parking brake provided adjacent to said anchor; anda long link having a central segment pivotally mounted at a pivot point on a middle segment of one brake shoe and one end of said link and another end of said link respectively and functionally engaged with said shoe clearance adjustment device and the parking brake actuator,wherein an engagement means is provided between said long link and said one brake shoe such that said long link and said one brake shoe are superimposable and detachable, and said engagement means includes an engagement hook protruding from one of either said long link and said one brake shoe and a notched groove is formed in a remaining one of said long link and said one brake shoe such that when said long link and said one brake shoe are rotated relative to each other with their central pivot member as the fulcrum, said long link and said one brake shoe remain superimposed and inseparable.