| 摘要 |
<P>PROBLEM TO BE SOLVED: To eliminate the risk of mistaken removal of a male thread part of an adjuster from a female thread part of a mounted object, during operation for raising the height of the mounted object. <P>SOLUTION: In the adjuster 100 equipped with an adjuster body 1 having a grounding part 1a and a male thread part 1b including a groove 1b1, a stopper 2 is plane-symmetric with respect to a center face CS2 including a rotation center axis line 2a' of the stopper 2 and a gravity center G2 of the stopper 2, the gravity center G2 of the stopper 2 is positioned at a part 2b on one side in the longitudinal direction, a radius of a circumscribe circle with a center axis line 2a' of a part 2c on the other side as the center is smaller than a radius of an inscribed circle of a bottom part 1b1c with a center axis line 1' of holes 1b1a1, 1b1b1 of wall parts 1b1a, 1b1b on both sides of the groove 1b1 as the center, a radius of a circumscribed circle of the part 2b is larger than a radius of a circumscribed circle of the bottom part 1b1c, and a center axis line 1b' direction projection image 2' of the stopper 2 at the time when the center axis line 1b' and the center face CS2 match or become parallel is positioned inside a projection image 1b3' of a thread root part 1b3 of the male thread part 1b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
