| 摘要 |
<p>An oil leak prevention device of a caliper brake is provided to dually prevent the leakage of the brake oil by additionally installing a bladder in a caliper housing. An oil leak prevention device of a caliper brake is composed of a caliper housing(10), a piston(20), a dust boot(30), and a piston seal(40). An oil inlet hole(12) is formed at one side of the caliper housing. A piston oil housing space(11) connected to the oil inlet hole is formed in the caliper housing. The piston is installed inside the caliper housing and is moved back and forth by hydraulic pressure. The dust boot is installed along the one side circumference of the piston. The dust boot prevents foreign materials from being flowed in through between the piston and the caliper housing. The piston seal is installed between the caliper housing and the piston.</p> |
