PULLEY AND METHOD OF MAKING SAME

摘要

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 flanges 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.