Motor

Details Motor Motor

2011-01-25

2011-01-25

Nguyen, Tran N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S091000, C360S098070, C360S099070, C360S099080

Reexamination Certificate

active

07876005

ABSTRACT:
In a motor, a retaining claw with a slanted surface is arranged around the upper end of a tubular portion of a housing for mounting a rotor. A cylindrical portion is integrally formed in a peripheral area of a rotational axis of a turntable. A retaining member with retaining portions having a J-shaped cross section is attached to the lower surface of the turntable. Arms of the retaining portions are located in the vicinity of the lower end of the cylindrical portion. In mounting the rotor onto the housing, the retaining portions contact the slanted surface and the arms are elastically deformed. Upon completion of the mounting, the arms return to a state before the elastic deformation, so that the retaining claw prevents the rotor from coming off.

REFERENCES:
patent: 6806601 (2004-10-01), Miyamoto
patent: 6826771 (2004-11-01), Wada
patent: 2007/0278880 (2007-12-01), Wada et al.
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Takaki et al., “Chucking Mechanism, Motor Having the Same, and Method of Manufacturing the Same”, U.S. Appl. No. 11/819,559, filed Jun. 28, 2007.
Iwai et al., “Brushless Motor, and Disk Drive Equipped With the Same”, U.S. Appl. No. 11/866,721, filed Oct. 3, 2007.

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