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1. (WO2018123138) WASHER AND WASHER MANUFACTURING METHOD

Pub. No.:    WO/2018/123138    International Application No.:    PCT/JP2017/030959
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Wed Aug 30 01:59:59 CEST 2017
IPC: F16C 33/14
F16C 17/04
Applicants: TAIHO KOGYO CO., LTD.
大豊工業株式会社
Inventors: OTAKE Toshiyuki
大竹 俊行
Title: WASHER AND WASHER MANUFACTURING METHOD
Abstract:
Provided are: a washer capable of being manufactured with an increased material yield; and a washer manufacturing method. This washer is provided with: a first washer piece 11 formed in a circular arc shape and having formed thereon a first fitting section 30 which protrudes from one end of the first washer piece 11 in the circular arc direction; and a fourth washer piece 14 having formed therein a second fitting section 40 recessed from one end of the fourth washer piece 14 in a circular arc direction and fitted to the first fitting section 30. The first fitting section 30 and the second fitting section 40 are fitted to each other such that the movement of the first and second fitting sections 30, 40 toward and away from each other in the circular arc direction is restricted. One of the first fitting section 30 and the second fitting section 40 is provided with a staked section 36 formed such that the side surface of the one of the first and second fitting sections is pressed into the side surface of the other fitting section, and the one of the fitting sections is affixed to the other fitting section by the staked section 36.