Patent ID: 6612145
Filing Date: 2003-09-02
Classification: B21D

Abstract:
A leveler for stretcher leveling of a metal strip or sheet, comprising a frame; at least two roller leveling units supported in the frame and arranged, respectively, above and below a roller stock; and guide means for displacing the roller leveling units between an operational position thereof and roller maintenance and exchange position thereof,wherein each of the roller leveling units includes a roller magazine including at least one leveling roller rotatable about a longitudinal axis thereof, the roller magazine being movable into the frame and adjacent the frame and adjusting means for displacing the roller leveling unit toward and away from the roller stock, and wherein at least the roller magazine of the upper roller leveling unit has a support unit for supporting the leveling roller, the adjusting means comprising a pivotal arrangement for the support unit on a lower side of the roller magazine facing the to-be-stretcher leveled metal strip or sheet and arranged on one of run-in side and run-out side of the roller magazine for pivotal movement of the support unit between operational position and maintenance and exchange positions by an angle large enough to insure an unobstructed access to the leveling roller in the maintenance and exchange position, and wherein the support unit includes at least two roller housings for supporting opposite ends of the leveling roller, two brackets for supporting the at least two roller housing and pivotally arranged on the roller magazine, and fastening means for releasably securing the brackets at a side thereof opposite a pivot point thereof to the roller magazine for retaining the support unit in the operational position thereof.