| 摘要 |
Holding parts are formed on a base just inside the parts fixing both ends of a guide rail on the base. The holding parts are provided with respective U-shaped channels which are so formed as to surround the guide rail with a space. A damping material is put between the guide rail and the channel and also, put in a wedge-shaped space surrounded by a receiving face, a mounting face and a D-cut part provided at each of both ends of a guide rail. The structure of the present invention enables reduction of the vibration conveyed from a recording/regenerating head to a chassis, securely fixing a guide rail and preventing lean of the optical axis of the recording/regenerating head.
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