| 摘要 |
PROBLEM TO BE SOLVED: To provide a slider mechanism without any play capable of securing a stable operation, the time of which is not affected by a change in an environmental temperature. SOLUTION: A slider mechanism is provided with a shaft 174 having a male screw part 174a rotated in linkage with the output shaft of a driving source, a roughly cylindrical female screw member 175 disposed around the male screw part 174a while its rotation in the rotational direction of the shaft is regulated, meshed with the male screw part and linked with a target to be driven, a pressing member (spring 177) for pressing the female screw part in a diameter direction, and a pushing member 202 having an abutting part 202a abutting on the male screw part and receiving the resisting force of the pressing force of the pressing member, the resisting force being applied as an abutting force between the male screw part and the abutting part. |
