Spindle motor and method of manufacturing the same

Details Spindle motor and method of manufacturing the same Spindle motor and method of manufacturing the same

1997-06-26

1999-08-03

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310261, H02K 127, H02K 128, H02K 2122

Patent

active

059329416

ABSTRACT:
A spindle motor comprises a motor shaft, which is rotatably supported by a motor frame via a bearing and a hub, which is formed integral with the motor shaft for securing a data disk. The hub is made of a powder metallurgical product and is bonded with the motor shaft by sintering.

REFERENCES:
patent: 4063939 (1977-12-01), Weaver et al.
patent: 5400197 (1995-03-01), Jabbari et al.
patent: 5517374 (1996-05-01), Katakura et al.
patent: 5557487 (1996-09-01), Elsaesser et al.
patent: 5572078 (1996-11-01), Saichi et al.
patent: 5659217 (1997-08-01), Petersen
patent: 5729404 (1998-03-01), Dunfield et al.

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