Title:
シールリング、十字軸継手及びステアリング装置
Document Type and Number:
Japanese Patent JP6965691
Kind Code:
B2
Abstract:
To provide a seal ring having excellent moldability and sealing performance, a cross shaft joint, and a steering device.SOLUTION: A seal ring has a circular core metal, and an elastic portion fixed to the core metal, the elastic portion has a bearing-side seal lip kept into contact with a radial bearing over the whole periphery, the core metal has a cylindrical portion for making a shaft portion pass through a radial inner side of the shaft portion, and an inclined portion extended to a radial outer side over the whole periphery from an end portion of the cylindrical portion at a step face side in a central axial direction of the shaft portion, the inclined portion is inclined to approach the radial bearing side in the central axial direction of the shaft portion in accordance with approaching the radial outer side of the shaft portion, the inclined portion has a penetration portion penetrated in the central axial direction of the shaft portion, the elastic portion is fixed to the radial bearing side and the step face side of the inclined portion in the central axial direction of the shaft portion, and elastic portions at the radial bearing side and the step face side are integrally formed through the penetration portion.SELECTED DRAWING: Figure 5
Inventors:
Seiichi Moriyama
Keisuke Nakao
Keisuke Nakao
Application Number:
JP2017208265A
Publication Date:
November 10, 2021
Filing Date:
October 27, 2017
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
F16J15/3232; B62D1/20; F16D3/41; F16J15/3276
Domestic Patent References:
| JP61023528U | ||||
| JP57016028U | ||||
| JP2010265919A | ||||
| JP2009257406A | ||||
| JP60128061U |
Attorney, Agent or Firm:
Inoue International Patent and Trademark Office
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue