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 ...