Patent ID: 7017852
Filing Date: 2006-03-28
Classification: B65H

Abstract:
1. A centerwinder for receiving and winding a constantly fed web material comprising: at least two winding shafts, said at least two winding shafts are positioned approximately parallel to one another and independently rotate in the same direction in a stationary structure; a lay-on arm assembly, said web material passes through said lay-on arm assembly and is wound on one of said winding shafts to a predetermined quantity, said lay-on arm assembly: a positioning apparatus and a control means for said lay-on arm assembly, said positioning apparatus and said control means maintain a constant pressure of a lay-on roll of said lay-on arm assembly against a roll of said web material as said web material is wound onto said winding shaft; a pivot means for each of said winding shafts, said pivot means enables each of said winding shafts to swing from a winding position in said centerwinder to position for removing cut web material from said winding shaft; and a spherical support for each of said winding shafts, each said winding shaft pivots on said spherical support.