| 摘要 |
PROBLEM TO BE SOLVED: To provide a bleeder screw capable of certainly carrying out air bleeding without being affected by a shape of a fluid tank and minimizing the leakage of brake fluid in air bleeding work. SOLUTION: This bleeder screw 128 has an inner end part 146, an outer end part 150 and a main body 154 extending between the inner end part 146 and the outer end part 150. The main body 154 is furnished with a first part 158 having an outer peripheral surface 142 with a screw and a second part 162 arranged between the first part 158 and the inner end part 146. The second part 162 has a diameter smaller than the outer peripheral surface 142 with the screw of the first part 158, and length in the axial direction of the outer peripheral surface 142 with the screw is less than length in the axial direction of the second part 162. An inside fluid passage 166 passes through an outer peripheral surface of the second part 162 at a position between the inner end part 146 and the outer peripheral surface 142 with the screw and passes through the main body 154 at a position between the outer peripheral surface 142 with the screw and the outer end part 150. COPYRIGHT: (C)2007,JPO&INPIT
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