| 摘要 |
PURPOSE: An anti-lock brake system of a vehicle is provided to improve endurance by making a piston shaft of metal with integrally supporting a support boss, a piston blade and the piston shaft against pressure, and to regulate pressure by forming a buffer ring and disk springs in the guide bush. CONSTITUTION: An anti-lock brake system is composed of an upper body(1) having an air valve(4) and a connecting pipe(5); a guide bush(6) inserted to a lower body(2); a support boss(20) having a guide groove(21) and a screw shaft(22); a piston blade(30); a piston shaft(40) having a large spring supporting end(41) and bosses(42,43); an assembling nut(50); plural disk springs(60) mounted around the large boss; large guide rings(61,62) mounted around the large boss to support large disk springs; a large buffer ring(63) between large guide rings; plural small disk springs(70) around the small boss; small guide rings(71,72) mounted around the small boss to support small disk springs; a small buffer ring(73) between small guide rings; and a pressure regulating valve(90) supporting the guide ring. The locking of the brake is prevented by supplying hydraulic pressure continuously in braking.
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