Abstract: A pulley including a cup-shaped hub having a cylindrical sidewall provided with a radially extending annular, multiple wall thickness fold at the axially inner end thereof, a radially outwardly flaring belt retaining flange at the axially outer end thereof, and a belt retaining ring mounted on said sidewall adjacent, and projecting radially outwardly beyond, the fold. One aspect of the invention comprises the method of making the pulley including the step of mounting the belt retaining ring prior to the step of forming the axially inner, multiple wall thickness fold.
Abstract: A pulley including a cup shaped hub having a cylindrical sidewall provided with a radially extending annular, multiple wall thickness fold at the axially inner end thereof, and a radially outwardly flaring flange at the axially outer end thereof. One aspect of the invention comprises the method of making the pulley including the step of forming the axially inner, multiple wall thickness fold prior to forming the radially outwardly flaring terminal end flange.