Dynamic bearing device, producing method thereof, and motor...

Details Dynamic bearing device, producing method thereof, and motor... Dynamic bearing device, producing method thereof, and motor...

2006-02-28

2006-02-28

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R, C384S132000, C384S133000, C360S099040, C360S099080

Reexamination Certificate

active

07005768

ABSTRACT:
A securing surface of a housing comprises a deformation region, which deforms radially outward by a predetermined quantity during press fitting of a thrust member, and another region. The deformation region has a tapered shape that gradually reduces in diameter in the downward direction, and is receded radially inward relative to the other region of the securing surface, by an amount equivalent to the amount of outward deformation thereof during press fitting. When the thrust member is press fitted into the inner periphery of a press fitting portion of the housing, the securing surface of the housing becomes substantially straight along entire axial region L thereof.

REFERENCES:
patent: 5715116 (1998-02-01), Moritan et al.
patent: 5822846 (1998-10-01), Moritan et al.
patent: 5914832 (1999-06-01), Teshima
patent: 6512654 (2003-01-01), Teshima
patent: 6657340 (2003-12-01), Obara
patent: 6787954 (2004-09-01), Yoshitsugu et al.

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