Patent ID: 6349802
Filing Date: 2002-02-26
Classification: F16D,Y10T

Abstract:
A method for descreasing the degree of brake drag in a disk type brake system, which brake system comprises at least a caliper body, a cylinder, a fluid-actuated piston, a piston seal, and dust boots, said caliper body comprising a first groove for setting said piston seal and a second groove for setting said dust boots, and said piston comprising a third groove for setting said dust boots, the method comprising the following steps when said piston is put into said caliper body during assembly of the brake system:a) applying grease in a space formed between an inside surface of the first groove and an outer surface of the seal; b) applying grease to almost a half section of an outer surface of said piston from an inserting end; c) i) pressing the piston having grease on the half section thereof into said caliper body; d) applying grease i) in a space formed between an inside surface of the caliper body and an outer surface of the dust boots, and in a space formed between an outer surface of the piston and an outer surface of the dust boots, and ii) in a space formed by the inside surface of the caliper body, the dust boots, the outer surface of the piston and the piston seal to thereby fill the space; and e) settling the dust boots into the second groove and the third groove, thereby making said grease exist in a space formed by said dust boots, said caliper body, said piston and said piston seal to thereby effect a decrease in degree of brake drag during operation of the brake system.