Title:
BEARING UNIT, MOTOR HAVING BEARING UNIT AND ELECTRONIC INSTRUMENT
Document Type and Number:
Japanese Patent JP2005147266
Kind Code:
A
Abstract:
To prevent a lubricant in a bearing surface from being lost when a shaft is drawn up from a housing.
The bearing unit has a shaft 31; a radial bearing 33 for carrying out supporting in a circumferential round direction of the shaft 31; a thrust bearing 34 for supporting one end in a thrust direction of the shaft 31; a housing 37 arranged with the radial bearing 33 and the thrust bearing 34 at the inside and having a structure that a part except for a shaft insertion hole through which the shaft 31 is inserted is closed; and a viscous fluid 38 filled in the housing 37. A space 40 is formed at the inside of the housing 37 and at the other end side opposed to one end side of the radial bearing 33 provided with the thrust bearing 34.
Inventors:
YAZAWA KENICHIRO
KANEKO TAKESHI
TAKADA KIYOYUKI
KAKINUMA YOSHIAKI
SATO HIROSHI
SHISHIDO YUJI
KANEKO TAKESHI
TAKADA KIYOYUKI
KAKINUMA YOSHIAKI
SATO HIROSHI
SHISHIDO YUJI
Application Number:
JP2003385548A
Publication Date:
June 09, 2005
Filing Date:
November 14, 2003
Export Citation:
Assignee:
SONY CORP
International Classes:
F16C17/02; F16C17/04; F16C35/02; H02K5/16; H02K7/08; (IPC1-7): F16C35/02; F16C17/02; F16C17/04; H02K5/16; H02K7/08
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga