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Title:
SEAL RING, CROSS SHAFT JOINT, INTERMEDIATE SHAFT ASSEMBLY, AND STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/203114
Kind Code:
A1
Abstract:
A seal ring (26) used together with a cross shaft (16), which has a center section (17) and four shaft sections (18a, 18b, 18c, and 18d) extending in four directions from the center section, the center section forming step surfaces (17a) extending radially outward from the shaft section from a base end of the shaft section , and with a bearing (21) attached to a tip-end portion of the shaft section, said seal ring being fitted onto the shaft sections and arranged between the bearing and the step surfaces. The seal ring has a seal lip (34) that makes contact with the step surfaces around the entire periphery thereof, and a recessed part (36) into which the seal lip enters after deforming when attached to the cross shaft.

Inventors:
MORIYAMA, Seiichi (C/O NSK Ltd, 78 Toriba-machi, Maebashi-sh, Gunma 27, 〒3718527, JP)
TAKAHASHI, Masaki (C/O NSK Ltd, 78 Toriba-machi, Maebashi-sh, Gunma 27, 〒3718527, JP)
Application Number:
JP2019/015790
Publication Date:
October 24, 2019
Filing Date:
April 11, 2019
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
International Classes:
F16D3/41; B62D1/20; F16C19/26; F16C33/78; F16J15/3232
Foreign References:
JP2009092223A2009-04-30
JP2013155806A2013-08-15
JP2015105688A2015-06-08
CN205278119U2016-06-01
JP2007055380A2007-03-08
JP2009257406A2009-11-05
US5454759A1995-10-03
Attorney, Agent or Firm:
INOUE & CO. et al. (2F Shinsei Bldg, 7-6 Taito 4-chome, Taito-k, Tokyo 16, 〒1100016, JP)
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