Patent ID: 6997029
Filing Date: 2006-02-14
Classification: B21D,F16H

Abstract:
1. A roller cam and driver assembly comprising: a driver assembly adapted to be attached to a press platen, said driver assembly having a portion being formed with a ramp surface; a roller cam mechanism including a slide mounted in a slide mounting body adapted to be attached to another press platen for motion in a direction transverse to motion of said press platen on which said slide mounting body is installed, said roller cam mechanism including a main roller rotatably mounted to said slide so as to be engaged with said driver ramp surface upon closing of said press platens; said roller cam mechanism also including a retraction spring compressed by advancing of said slide and causing said slide to be retracted upon withdrawal of said driver; said roller cam mechanism further including mating retraction cam elements on each of said slide and driver assembly respectively, positively causing retraction of said slide upon withdrawal of said driver assembly.