Patent ID: 7134309
Filing Date: 2006-11-14
Classification: B21D,Y10T

Abstract:
1. A pre-hemming apparatus for use with a hemming die, the pre-hemming apparatus comprising: a driving member adapted to be centrally disposed below said hemming die; a plurality of link arms operatively, pivotally connected to said driving member; a lever arm operatively connected to each link arm; a flanging member operatively connected to each lever arm at an end thereof; a plurality of mounts for supporting said lever arms, each of said mounts adapted to be mounted to a side of said hemming die, and each lever arm being pivotally connected to one of said mounts intermediate ends of said lever arm; and an actuator operatively engagable with said driving member, whereby actuation of said driving member moves said flanging members towards said hemming die through said lever arms and said link arms for pre-hemming, and away from said hemming die cycling the apparatus.