Patent attributes
An optical disk player comprises a rack which holds an optical pickup unit and moves with rotation of a pinion. The rack includes a fixed rack plate, which is fixed to the optical pickup unit, and a movable rack plate, which can slide in a moving direction of the fixed rack plate, and projecting members on the fixed rack plate are inserted into guide slots in the movable rack plate. A projecting portion which includes a resin spring is provided on the movable rack plate. When the projecting portion presses a supporter on the fixed rack plate, inner surfaces of the guide slots are pressed against the projecting members by a repulsive force of the projecting portion, and a shaky movement between the movable rack plate and the fixed rack plate is avoided, thus a clatter can be reduced when the rack moves with rotation of the pinion.
