Turntable allowing easy assembly of magnetizing yoke

Details Turntable allowing easy assembly of magnetizing yoke Turntable allowing easy assembly of magnetizing yoke

2006-12-15

2010-10-12

Castro, Angel A. (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

Reexamination Certificate

active

07814506

ABSTRACT:
Disclosed herein is a turntable allowing easy assembly of a magnetizing yoke, which includes a central guide part for helping seat a disc on the turntable, and a balancing part extending from the central guide part in a circumferential direction thereof and balancing the disc. In this case, the central guide part has an annular opening to which the magnetizing yoke is detachably coupled. The central guide part includes at least one coupling protrusion provided on a sidewall of the central guide part exposed to the annular opening, and the magnetizing yoke includes at least one coupling part which is provided along an edge of the magnetizing yoke and corresponds to the coupling protrusion. Further, the coupling part includes a coupling hole corresponding to the coupling protrusion, and a protrusion seat in close contact with the coupling protrusion. The protrusion seat is formed to be inclined downwards toward the coupling hole.

REFERENCES:
patent: 6249505 (2001-06-01), Miyamoto et al.
patent: 6252319 (2001-06-01), Sudo et al.
patent: 6479912 (2002-11-01), Kikuchi et al.
patent: 6525441 (2003-02-01), Yamaguchi
patent: 2003/0117935 (2003-06-01), Utsumi et al.
patent: 2003/0123375 (2003-07-01), Uno et al.
patent: 2005/0223400 (2005-10-01), Matsushita et al.

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