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Patent Searching and Data


Title:
FLUID BEARING DEVICE AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2010249218
Kind Code:
A
Abstract:

To easily and accurately form an axial clearance to be arranged in a fluid bearing device.

A flange part 2b as an engaging part K arranged in a shaft member 2, is arranged on the inner diameter side of a cylinder part 10b for constituting a cover member 10. In a stopping state, a second axial clearance δ2 as the axial clearance is arranged between an upper side end surface 2b1 of the flange part 2b and a lower side end surface 7a5 of a bearing member 7. A first axial clearance δ1 is arranged between an upper side end surface 10b1 of the cylinder part 10b and a step height surface 7a4 of the bearing member 7. A relative position in the axial direction of the cover member 10 to the bearing member 7 is set constant, that is, a clearance width of the second axial clearance δ2 is set constant, by adjusting a clearance width of this first axial clearance δ1.


Inventors:
NIWA TOSHIAKI
Application Number:
JP2009098997A
Publication Date:
November 04, 2010
Filing Date:
April 15, 2009
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C43/02; F16C17/10; F16C33/10; F16C35/02
Attorney, Agent or Firm:
Hideka Tanaka
Kunihiko Shiromura
Tsuyoshi Kumano