Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production
Patent
1994-03-30
1995-09-26
Tupper, Robert S.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specific detail of storage medium support or motion production
G11B 2504
Patent
active
054539730
ABSTRACT:
The specification discloses a disc driving device having a spindle motor for driving a storage disc with a hub mounted on a spindle of the spindle motor in a sealed housing. The spindle motor comprises the spindle, a stator frame for supporting the spindle with bearings therebetween and a core assembly fitted over the stator frame. The core assembly comprises a laminated core subjected to an electroless metal plating, an insulator generally covering the laminated core, which insulator has projections for fixing a flexible board and retainers for holding winding coils on the laminated core. The sealed housing comprises a housing having a concave portion at the bottom thereof. The concave portion comprises a upper portion having a concave wall and a lower portion having a cylindrical wall coupled to the upper portion. The stator frame is fixed in the lower portion, and a part of the hub is positioned in the upper portion. Further, a trench is provided on the concave wall of the upper portion for holding the flexible board in place so as not to disturb the rotation of the hub in the sealed housing.
REFERENCES:
patent: 3867658 (1975-02-01), Dochterman
patent: 4322647 (1982-03-01), Neroda et al.
patent: 4602178 (1986-07-01), Larsson
patent: 4602423 (1986-07-01), Ulrich et al.
patent: 4900958 (1990-02-01), Kitahara et al.
patent: 4965476 (1990-10-01), Lin
patent: 5061868 (1991-10-01), Iwazaki et al.
patent: 5065060 (1991-11-01), Takahashi et al.
patent: 5093595 (1992-03-01), Korbel
patent: 5097366 (1992-03-01), Ueki et al.
patent: 5128819 (1992-07-01), Elsaesser et al.
patent: 5177650 (1993-01-01), Jabbari et al.
Letscher George J.
Meller Michael N.
Tupper Robert S.
Victor Company of Japan Ltd.
LandOfFree
Disc driving device for storage disc does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disc driving device for storage disc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disc driving device for storage disc will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1556321