| 摘要 |
PROBLEM TO BE SOLVED: To easily insert a ball without deviating positions of two guide bodies when holding between fingers two guide bodies in contact so as to insert the ball into a guide passage and reduce the number of parts. SOLUTION: Respective two guide bodies 4, 4 having the guide passages 4a, 4a for circulating the ball 2 between both ends of a nut 3 are provided with limit parts 42, 42 limiting positional deviation from other guide bodies 4, 4 and mounting parts 43, 43 continuous with the limit parts 42, 42 and attached to the nut 3 to prevent positional deviation of the guide bodies 4, 4 by the guide bodies 4, 4 themselves and attach the guide bodies 4, 4 themselves to the nut 3. |
