Washer and vehicle structure
AssigneesAoyama Seisakusho Co., Ltd., Toyota Jidosha Kabushiki Kaisha
InventorsTakashi Matsuda, Toshinao Wada, Hideharu Koketsu, Masato Kanbe, Shigeki Matsunami, Yukinori Fujimoto
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Abstract
There is provided a structure capable of ensuring a bearing surface pressure on an inner diameter side and an outer diameter side of a washer even if a thickness of the washer is suppressed. In a washer used at a fastening portion of a vehicle, a configuration in which a bearing surface is sectionalized into two faces, an inner abutting face and an outer abutting face, by an annular groove is adopted.
Claims2
A washer used at a fastening portion of a vehicle, comprising a bearing surface sectionalized into two faces, an inner abutting face and an outer abutting face, by an annular groove that is provided on only one side of the washer, a depth of the groove is configured to be shorter than a radial length of the groove and a ratio of the depth of the groove and the radial length of the groove is set to be in a range of 2:5 to 1:4.
Dependencies are inferred from the claim text.