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Title:
SEAL RING FOR CROSS SHAFT JOINT, CROSS SHAFT JOINT AND STEERING DEVICE
Document Type and Number:
Japanese Patent JP2019158006
Kind Code:
A
Abstract:
To provide a seal ring for a cross shaft joint which can prevent the lowering of seal performance caused by baking while suppressing a friction force generated between seal lips and a bearing cup, the cross shaft joint and a steering device.SOLUTION: A seal ring for a cross joint has an annular core member 30 and an elastic member 40 fastened to the core member 30, and the elastic member 40 extends to a radial bearing 21 side over the whole periphery from the core member 30 side between a stepped face 17a and the radial bearing 21. A plurality of pieces of seal lips are formed whose lengths in a center axial line direction are not shorter than three times of a thickness of an intermediate part in the center axial line direction in a radial direction.SELECTED DRAWING: Figure 4

Inventors:
森山 誠一
Application Number:
JP2018045541A
Publication Date:
September 19, 2019
Filing Date:
March 13, 2018
Export Citation:
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Assignee:
日本精工株式会社
International Classes:
F16D3/38; F16D3/41; F16J15/3232
Attorney, Agent or Firm:
特許業務法人井上国際特許商標事務所
井上 義雄
相原 健一
伊藤 隆治
井上 淳子



 
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