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1. 发明公开

EP3943773A1 ROTATION TRANSMISSION DISK 审中-实审
公开(公告)号：EP3943773A1
公开(公告)日：2022-01-26
申请号：EP20778422.4
申请日：2020-02-04
申请人： Sunstar Engineering Inc.
发明人： KUBOTA, Satoshi , MURAYAMA, Yuki
IPC分类号： F16D13/64 , F16D65/12 , F16H55/30
摘要： To provide a rotation transmission disc that achieves a light weight while securing strength.
A rotation transmission disc 1 includes: an outer circumferential portion 2 on which a load acts when rotation is transmitted; a center opening portion 3 formed inside the outer circumferential portion; and a plurality of attachment holes 5 formed at positions projecting from the outer circumferential portion 2 to inside of the center opening portion 3 for attachment of the rotation transmission disc 1 to a rotating element. The plurality of attachment holes 5 are provided, and a first crosspiece portion 6 and a second crosspiece portion 7 are formed in each of ranges of divided angles formed by two adjacent attachment holes with respect to a center of the rotation transmission disc, the first crosspiece portion 6 extending from a load point, which is an intersection between a straight line extending in a radial direction to internally divide the divided angles at a predetermined angular ratio and a load radius position of the outer circumferential portion, to one of the attachment holes forming the divided angles, the second crosspiece portion 7 extending from the load point to the other attachment hole of the attachment holes forming the divided angles, and the first crosspiece portion 6 and the second crosspiece portion 7 inside a range of an adjacent divided angle intersect one another, and each of the attachment holes 5 is located in the intersecting region 8.

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