| 摘要 |
PURPOSE: A caliper unit of a parking brake for a special vehicle is provided to prevent noise and abnormal friction by separating brake pads in the both sides of a brake disk. CONSTITUTION: A caliper unit of a parking brake for a special vehicle comprises a caliper body(110), a piston unit(120), first and second brake pads(130, 132), a bracket unit(30), a pin(210), and a first balance unit(214a). The caliper body comprises first and second fixing members(118a, 118b). The piston unit is moved by hydraulic effect by being installed in a cylinder(114). The first and second brake pads are installed in the position where a fixing member and a piston unit respectively. The bracket unit comprises a bracket body(32) mounted between the first and second fixing members. The pin passes through the first and second fixing members and a bracket body. The first balance unit is installed between the first fixing member and the bracket body and has restoring force in the expanding direction.
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