Patent ID: 6792783
Filing Date: 2004-09-21
Classification: B21D

Abstract:
A quick change system for a multi-roll leveler having at least a lower work roll cassette, comprising:rails affixed to a surface upon which said leveler rests, said rails extending from within a work envelope of said leveler outward some distance; a cart attached to a bottom portion of said lower work roll cassette; wheels affixed to a lower portion of said cart, said wheels adapted for engagement with said rails when said leveler is in an open position; and means for moving said cart along said rails; wherein said rails are arranged such that said cart is guided thereby into said work envelope and into a position that allows said lower cassette and said cart attached thereto to be lifted from and lowered to said rails by entry and exit jack screw assemblies, such that said lower cassette is maintained in a hanging orientation by said entry and exit jack screw assemblies while said leveler is in operation.