| 摘要 |
An adjustment device used for electric power mirrors comprising a motor to rotate a worm wheel (5), an adjustment nut (4) that can slide along the direction of the rotational axis but cannot relatively rotate against the rotation of the worm wheel (5), and an actuator housing (2) that has a column on which surface a screw portion (21d) is formed, wherein the adjustment nut (4) is movable along the axis of screw rotation of said screw portion (21d), and the adjustment nut (4) has a salient (43b) extending outwardly at a leg portion thereof and the worm wheel (5) has stopper portion (53a) that abuts the salient (43b) of the adjustment nut (4) so that the adjustment nut (4) is not pulled off from the actuator housing (2). Therefore a mirror exchanging service can be easily performed. <IMAGE>
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