Patent ID: 9599135
Date: 2017-03-21
CPC Classifications: A45C,F16B,G09F

Claim:
1. A method of attaching a plate to a material, the method comprising: attaching a washer part to a first part, wherein: placing the washer part and the first part on a first side of a first material of a product; placing a second part having a plurality of second projections on a second side of the first material; causing each of the plurality of second projections to penetrate a respective opening of the washer part and a respective first hole of the first part, wherein penetration by each second projection through the corresponding opening of the washer part causes a deformation of a portion of a second material of the washer part proximate to the corresponding opening toward the first part, wherein the deformed portion exerts a force on the second projection and prevents removal of the second projection from the corresponding opening.