| 摘要 |
PROBLEM TO BE SOLVED: To provide a work positioning position so as to reduce a backlash of a pinion mechanism by a simple and inexpensive constitution while a precision of a rack and pinion is maintained as it is. SOLUTION: An apparatus has a striker 5, while butting a work W, to position it on a prescribed position, a striker body D, which moves the striker 5 in the longitudinal direction of a stretch 20, is divided into a first striker body 21 guided in the longitudinal direction on the stretch 20, a pinion 24 engaged with a rack 23 extending in the longitudinal direction on the stretch 20 and a second striker body 22 having its drive source Mx, by connecting the first striker body 21 and the second striker body 22 through an elastic member 25, the pinion 24 is pressed to a rack 23 side.
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