PROBLEM TO BE SOLVED: To provide a universal joint that has high-holding force with respect to a shaft member to be fitted thereto and prevents fretting wear of a serration tooth due to concentration of stress, and to provide a steering device including the universal joint.SOLUTION: In a universal joint, a yoke 20 includes a cylindrical connection part 30 forming a fitting hole 36 of which inner peripheral surface is fitted to a shaft member. The connection part 30 has a pair of thick wall parts forming a slit 42. The pair of thick wall parts are constituted of a first thick wall part 40 and a second thick wall part 41 that is thicker than the first thick wall part 40.SELECTED DRAWING: Figure 5
【課題】嵌合される軸部材に対する保持力が高く、且つ応力集中によるセレーション歯のフレッティング磨耗を防止することができる自在継手、および該自在継手を備えたステアリング装置を提供すること。【解決手段】ヨーク20は、内周面が軸部材と嵌合する嵌合孔36を形成する筒状の連結部30を備える。連結部30は、スリット42を形成する一対の肉厚部を有する。一対の肉厚部は、第1肉厚部40と、前記第1肉厚部40よりも肉厚である第2肉厚部41からなる。【選択図】図5
UNIVERSAL JOINT AND STEERING DEVICE INCLUDING THE UNIVERSAL JOINT
自在継手および該自在継手を備えたステアリング装置
2018-04-12
Patent
Electronic Resource
Japanese
UNIVERSAL JOINT AND STEERING DEVICE INCLUDING UNIVERSAL JOINT
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