Patent ID: 6729820
Filing Date: 2004-05-04
Classification: F16B

Abstract:
A blind rivet comprising:a rivet, said rivet comprising a cylindrical body, a receiving hole axially extending through said cylindrical body, and a brim outwardly projecting from the periphery of one end of said cylindrical body; a stopper, said stopper comprising a first end, a second end, and a cone connected between said first end and said second end, said first end comprising a braking structure adapted to stop said stopper in said receiving hole of said rivet; a shaft connected to said stopper and inserted through the receiving hole of said rivet for pulling said stopper into said receiving hole of said rivet to expand said cylindrical body, said shaft comprising a shaft body inserted through the receiving hole of said rivet and a neck extended from one end of said shaft body and connected to the second end of said stopper; and wherein said braking structure of said stopper comprises two annular retaining flanges extended around the periphery of said first end of said stopper at different elevations.