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公开(公告)号：US11313256B2
公开(公告)日：2022-04-26
申请号：US16928589
申请日：2020-07-14
Applicant: AISIN CORPORATION
Inventor： Hajime Sano , Hiroki Mukaide , Kenji Ikeda , Tomoharu Otake , Kenta Koide
Abstract: An Oldham coupling includes an engagement arm. At least either a driving-side rotor or an input gear has an engagement portion engaged with the engagement arm and is connected to the Oldham coupling. The engagement arm has a pair of arm flat surface portions perpendicular to a rotational direction of the driving-side rotor. The engagement portion has a pair of engagement flat surface portions that the arm flat surface portions face in a sliding contact manner. Each arm flat surface portion is, within a range where the arm flat surface portion slides against a facing engagement flat surface portion, always in contact with an overlapping portion of the engagement flat surface portion with the arm flat surface portion when viewed from a direction perpendicular to a sliding direction of the Oldham coupling and in which the arm flat surface portion and the engagement flat surface portion overlap each other.
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