Patent ID: 8783081
Filing Date: 2014-07-22
Classification: B21D,Y10T

Abstract:
1. A roll-forming apparatus, comprising: a base to which a first plurality of work rolls are rotatably coupled, wherein the first plurality of work rolls is to form a first hem on a material; a second plurality of work rolls comprising parallel axes of rotation, the second plurality of work rolls to control a profile of the first hem, wherein one of the second plurality of work rolls is rotatably coupled to a pivot block that is hingeably coupled to the base; and a manually operable adjuster that extends through the pivot block, the adjuster comprises a first end and a second end, the first end extends from the pivot block to enable manual adjustment, the second end threadingly engages the base, wherein the adjuster is rotatable to move the pivot block relative to the base and to move the one of the second plurality of work rolls relative to an opposing work roll to enable the profile of the first hem to be continuously adjusted.