Title:
軸受ユニット、軸受ユニットを有するモータ及び電子機器
Document Type and Number:
Japanese Patent JP3988714
Kind Code:
B2
Abstract:
A bearing unit comprises a shaft, a radial bearing for supporting the shaft in a peripheral rotation direction of the shaft, a thrust bearing supporting an end of the shaft in a thrust direction of the shaft, a housing made of a molded body of a synthetic resin, inside of which housing the radial bearing and the thrust bearing are arranged, the housing having a sealed configuration except for a shaft insertion hole, through which the shaft is inserted, a slip-out preventing member provided on an end side of the radial bearing at which the thrust bearing is provided, the slip-out preventing member preventing the shaft from slipping out from the radial bearing, and a viscous fluid filled in the housing. The slip-out preventing member is made of a material having a thermal deformation temperature higher than a temperature applied to the slip-out preventing member upon molding of the housing.
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Inventors:
Kenichiro Yazawa
Takeshi Kaneko
Kiyoyuki Takada
Yoshiaki Kakinuma
Hiroshi Sato
Yuji Shishido
Takeshi Kaneko
Kiyoyuki Takada
Yoshiaki Kakinuma
Hiroshi Sato
Yuji Shishido
Application Number:
JP2003385547A
Publication Date:
October 10, 2007
Filing Date:
November 14, 2003
Export Citation:
Assignee:
ソニー株式会社
International Classes:
F16C17/02; F16C35/02; F16C17/04; F16C17/10; F16C32/06; F16C33/10; F16C33/20; F16C33/74; F16C35/10; F16D31/00; G11B19/20; H02K5/167
Domestic Patent References:
| JP2003130043A | ||||
| JP5087126A | ||||
| JP63167114A | ||||
| JP2003314537A |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga