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公开(公告)号：US11236793B2
公开(公告)日：2022-02-01
申请号：US16491754
申请日：2018-03-08
Applicant: NHK SPRING Co., Ltd.
Inventor： Hideaki Sakai
IPC: F16F1/32 , F16D13/58 , F16D127/02
Abstract: The disc spring is a disc spring for being fitted on a rotary shaft and includes: an annular body portion; a claw portion protruding inward in a radial direction from an inner peripheral edge of the body portion, wherein the claw portion gradually extends toward one side in an axial direction as it goes inward in the radial direction, and at least a tip part of the claw portion is provided with a hole.
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