| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pressure adjustment screw mechanism capable of reducing operation torque of an adjustment screw without raising the minimum adjustment pressure of a valve. <P>SOLUTION: When the head 6a of an adjustment screw 6 enters the inside of a cylinder 51, the head 6a can contact with a hollow part 31 of a screw side spring receptacle 3. On the other hand, when the head 6a leaves the inside of the cylinder 51, the wall surface of an engagement groove 6b can be engaged into a level difference surface 35 of the hollow part 31. <P>COPYRIGHT: (C)2013,JPO&INPIT |
