Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BEARING DEVICE FOR DRIVE SHAFT
Document Type and Number:
Japanese Patent JP3655133
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To prevent entry of foreign matter into the inside of a bearing and prevent influence on a closed member due to variation of internal pressure of the bearing.
SOLUTION: A bearing device for a drive shaft to support the drive shaft on one end of a shaft part of which a pinion is provided and on the other end side of which the drive shaft is spline fitted on a housing free to revolve has an outer ring 60 supported and fixed to the housing 5, inner rings 62, 63 to be fitted on a pinion shaft 1, a plural number of tapered rollers 64 to be arranged between the inner and outer rings, a first closed member 7 arranged between the inner and outer rings 63, 60 on the side of the pinion 2, a second closed member 8 arranged between the housing 5 and the drive shaft 3 and a breather hole 10 provided in the housing 5 and to communicate an inside space of the housing 5 between the first and second sealing members 7, 8 and an outer space of the housing 5 to each other.


Inventors:
Kunihiko Yokota
Application Number:
JP1999000228798
Publication Date:
June 02, 2005
Filing Date:
July 08, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Koyo Seiko Co., Ltd.
International Classes:
F16C33/76; F16C19/38; (IPC1-7): F16C19/38; F16C33/76
Domestic Patent References:
JP8210471A
JP5087253A
JP8303475A
JP60091067A
JP64083921A
Attorney, Agent or Firm:
Kazuhide Okada