| 摘要 |
It is an object of the invention to provide a clamping mechanism of a disc unit capable of sufficiently securing a moving distance of a clamper while reducing parts count compared with a conventional clamping mechanism and of rendering the disc unit low-profile. A cap made of a steed plate is engaged in a turntable 4 and a magnet which is magnetized at a bottom face of the turntable at a turntable side is engaged in the clamper. The clamper is freely engaged in an opening of a support member, and it is held by the support member in a state where the magnetized bottom face of the magnet is attracted to the support member to float. When the turntable rises, the cap approaches the magnet so that they attract each other, thereby setting the clamper on the turntable.
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