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Title:
SHAFT DEVICE WITH BEARING AND ASSEMBLING DEVICE
Document Type and Number:
Japanese Patent JP2009127807
Kind Code:
A
Abstract:

To provide a shaft device with a bearing manufacturable at low cost by easily assembling block bodies such as cam blocks and the inner ring of a rolling bearing onto the outer diameter surface of a shaft in the axial direction and also provide an assembling device for the shaft device.

This shaft device includes the shaft 12, the block bodies 16, and the rolling bearing 30. The block bodies and the rolling bearing are axially fitted to the outer diameter surface of the shaft 12 at predetermined intervals. The roller bearing 30 includes the inner ring 32 fitted to the outer peripheral surface of the shaft 12, an outer ring 50, a plurality of rollers 40 rollingly disposed between these inner and outer rings 32, 50, and a cage 45 for holding the rollers 40. The outer ring 50 includes a first outer ring body 51 having a raceway surface 52 corresponding to the rollers 40 and a second outer ring body 55 fitted to the outer peripheral surface of the first outer ring body 51. Restriction flanges 54, 57 for stopping the axial movements of the first outer ring body 51 and the second outer ring body 55 by projecting to the position opposed to both ends of the inner ring 32 and coming into contact with the end of the inner ring 32 are formed at one end of the first outer ring body 51 and the other end of the second outer ring body 55, respectively.


Inventors:
WASEDA YOSHITAKA
Application Number:
JP2007305793A
Publication Date:
June 11, 2009
Filing Date:
November 27, 2007
Export Citation:
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Assignee:
JTEKT CORP
International Classes:
F16C33/60; F01L1/04; F16C3/18; F16C19/26; F16H53/02
Attorney, Agent or Firm:
Okada International Patent Office



 
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