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Patent Searching and Data


Title:
SPINDLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/160049
Kind Code:
A1
Abstract:
Provided is a spindle device capable of stably rotating a rotation shaft thereof through enhancement of a vibration-attenuating effect. In the spindle device, an O-shaped ring disposed closest to the leading end in the axial direction of the rotation shaft, is located closer to the leading end than is the leading end surface of a radial bearing.

Inventors:
KOBAYASHI Naoya (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
TAKAHASHI Atsushi (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
KATSUNO Yoshiaki (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
Application Number:
JP2019/005393
Publication Date:
August 22, 2019
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
International Classes:
F16C32/06; B05B5/16; F01D25/16; F16C27/06; F16F15/04; F01D15/06; F16C33/72
Foreign References:
JP2006077797A2006-03-23
JP2007170534A2007-07-05
JP2010261505A2010-11-18
JP2016223553A2016-12-28
US5375934A1994-12-27
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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