Title:
BEARING DEVICE, CONVEYANCE DEVICE, INSPECTION DEVICE AND MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2015/163377
Kind Code:
A1
Abstract:
A bearing device which with a simple structure can prevent axial displacement of the bearing, a conveyance device which uses said bearing device, an inspection device and a machine tool are provided. This bearing device is provided with a bearing (11) having an inner race (21) and an outer race (23) arranged opposed to one another with a rotating body (25) held therebetween, and a housing (7) which has a housing inner member (3) supported by the inner race (21) and a rotor flange (5) supported by the outer race (23). The rotor flange (5) comprises: a pair of C-type retention rings (53, 53) which are arranged on a first axial end surface (23a) and a second axial end surface (23b) of the outer race (23); grooves (52, 52) which extend in the circumferential direction and in which the pair of C-type retaining rings (53, 53) are mounted; and first gap-sealing members (65) which are formed from a resin material and are arranged in the gap between the C-type retaining ring (53) and the first and second axial end surfaces (23a, 23b) of the bearing (11), and in the gap between the C-type retaining ring (53) and the grooves (52).
Inventors:
KONISHI HIROHIDE (JP)
Application Number:
PCT/JP2015/062271
Publication Date:
October 29, 2015
Filing Date:
April 22, 2015
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C35/077; F16C19/06; F16C41/00; H02K7/08; G01D5/20
Foreign References:
JP2003170835A | 2003-06-17 | |||
JP2006200658A | 2006-08-03 | |||
JP2010216580A | 2010-09-30 | |||
JP2007321894A | 2007-12-13 | |||
JP2012178926A | 2012-09-13 | |||
JP2008202782A | 2008-09-04 | |||
JP2002087010A | 2002-03-26 | |||
JPH07224817A | 1995-08-22 |
Other References:
See also references of EP 3135936A4
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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