Disk recording and reproduction apparatus and dynamic damper thereof

摘要

The dynamic damper for use in the disk recording and reproduction apparatus of the present invention is provided with a cylindrical weight (15) sandwiched between a pair of gel members (19), a rod (16) secured to the weight is inserted into through holes formed in the gel members disposed on both sides of the weight, and the weight is supported by a holder (18) via the gel members. Since the holder is installed on the substrate of the disk recording and reproduction apparatus so that the center axis of the weight is orthogonal to the movement direction of the optical pickup thereof, the head positioning accuracy in the disk recording and reproduction apparatus can be improved, whereby the disk recording and reproduction apparatus can have an excellent vibration damping effect during disturbance vibration.