VEHICLE EXPANDING BRAKE ASSEMBLY

摘要

An automotive vehicle brake assembly, comprising a rotatable brake drum, a hydraulic service brake section and an emergency or parking brake section, both of said brake sections when actuated either separately or jointly are arranged to cooperate with a common pair of brake shoes adapted for frictional cooperation with said drum, said assembly being characterized by the provision of at least one mechanical linkage connected between both of said brake sections so as to modify the brake actuating mode of at least one of said brake sections under certain operating conditions.