Spindle motor mounting structure and disk unit having the same

Details Spindle motor mounting structure and disk unit having the same Spindle motor mounting structure and disk unit having the same

1994-03-04

1996-05-21

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 2300

Patent

active

055196888

ABSTRACT:
A spindle motor mounting structure for a disk or a disk cartridge recording/reproducing apparatus includes a substrate, a spindle motor including a stator part fixed on the substrate, a spindle shaft, and a disk shaped rotor part rotatably supported on the spindle shaft, and a frame on which the substrate is mounted. The rotor part has a flange part which extends from an outer periphery thereof, and the frame includes a projecting part which confronts at least a part of the flange to prevent the rotor part from slipping out of the spindle shaft. A height of an upper surface of the projecting part from the substrate is less than or equal to a height of an upper surface of the rotor part from the substrate.

REFERENCES:
patent: 4599663 (1986-07-01), Saito et al.
patent: 5128818 (1992-07-01), Koizumi et al.
patent: 5177733 (1993-01-01), Kofke et al.

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