| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact opening/closing slide device capable of easily assembling nuts respectively fixed to a pair of tables from a free side of a screw shaft, and easily replacing the nuts.SOLUTION: A screw shaft 5 is provided with a large-diameter screw 11 at a motor 2 side region, a small-diameter screw 12 is formed at an opposite side, a region of a right screw engaged with the nut 15 or 16 and a region of a left screw engaged with the nut 16 or 15, are formed in adjacent to each other in the longitudinal direction, and a step portion or a flange portion 20 with which an inner ring 30 of a bearing 7 is kept into contact to be locked, is formed on a shaft end portion 56 in adjacent to the large-diameter screw 11. The tables 3, 4 are kept in a proximity state at positions close to each other, and in an opening state at positions separating from each other by rotationally driving the motor 2. |
