Disc chucking mechanism

Details Disc chucking mechanism Disc chucking mechanism

1999-03-18

2000-12-19

Klimowicz, William

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

360 9912, G11B 17028

Patent

active

061635200

ABSTRACT:
A disc chucking mechanism includes a turn table 3 on which a disc 19 with a center hole 20 is located, a chucking magnet 10 for magnetically attracting a center hub 21 of the disc 19 to it, and a magnet yoke 60. The magnet yoke 60 includes a ring-like member which is inserted between the turn table 3 and the chucking magnet 10, engaging portions 62 which are extended from the ring-like member of the magnet yoke toward the turn table 3, and brought into engagement with the turn table, and magnet engaging portions 61 which are extended in the direction opposite to the bending direction of the engaging portions 62, and urgingly fix the chucking magnet 10.

REFERENCES:
patent: 4730299 (1988-03-01), Kamoshita et al.
patent: 4827468 (1989-05-01), Odawara et al.
patent: 5128818 (1992-07-01), Koizumi et al.
patent: 5457676 (1995-10-01), Park
patent: 5501760 (1996-03-01), Mukawa
patent: 5668792 (1997-09-01), Choi
patent: 5761186 (1998-06-01), Mushika et al.
patent: 5825746 (1998-10-01), Lee

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