Japan, March 5 -- KAWASAKI KIKAKU CO LTD has got intellectual property rights for 'FASTENER.' Other related details are as follows:
Application Number: JP,2025-148591
Category (FI): F16B39/24@M
Stage: PROBLEM TO BE SOLVED: To provide a fastener which can fully suppress a loosening of the fastening over time.SOLUTION: A fastener for fastening a fastened member, includes: a bolt; a washer in which at least one or more notch projection parts formed by providing a notch from an annular outer end peripheral edge of the washer are provided in the vicinity of the annular outer end peripheral edge of the washer, and at least one or more member fitting parts for fitting with the fastened member extended from the annular outer end peripheral edge of the washer are provided; a fastened member on which at least one or more fitting projection parts for fitting with the member fitting part are provided; a nut flange part on which at least one or more fitting parts are provided for fitting when the notch projection part of the washer is projected; and a nut connecting with the nut flange part or integral with the nut flange part.SELECTED DRAWING: Figure 16 (Grant)
Filing Date: Sept. 8, 2025
Publication Date: Nov. 18, 2025
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.