Title:
BEARING DEVICE
Document Type and Number:
Japanese Patent JP2019203570
Kind Code:
A
Abstract:
To provide a bearing device capable of effectively preventing the pre-load extraction due to heat expansion with a relatively simple configuration.SOLUTION: In bearing devices 1, a rotating shaft 3 made of a predetermined metal material is rotatably supported by first and second bearings 4 and 5 at both ends thereof and both the first and second bearings 4 and 5 are held in a case 2 made of a predetermined metal material having a linear expansion coefficient larger than that of the rotating shaft 3. The rotating shaft 3 comprises: an insertion shaft 31 formed in a hollow shape that extends a predetermined length and penetrates the entire length direction, made of a predetermined metal material having substantially the same linear expansion coefficient as the rotation shaft 3 and inserted through the rotation shaft 3; a first abutting part provided at one end thereof and abutting from the outside on the side surface of an outer ring 11 of the first bearing 5; and a second abutting part 32 that is provided at the other end of the insertion shaft 31 and abuts against the side surface of an outer ring 21 of the second bearing 4 from the outside.SELECTED DRAWING: Figure 1
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Inventors:
YASUOKA YOJI
Application Number:
JP2018099835A
Publication Date:
November 28, 2019
Filing Date:
May 24, 2018
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F16C25/08; F16C19/36; F16C35/07
Domestic Patent References:
| JPS6058957U | 1985-04-24 | |||
| JP2010038206A | 2010-02-18 | |||
| JP2005106214A | 2005-04-21 | |||
| JP2008185191A | 2008-08-14 | |||
| JP2007146936A | 2007-06-14 |
Attorney, Agent or Firm:
Tomoo Takahashi
Koji Arai
Koji Arai