Patent ID: 7086628
Filing Date: 2006-08-08
Classification: B41J,B65H

Abstract:
1. A core for supporting a wound sheet roll on a spindle, said core comprising: a tubular body having open ends and including an annular outer surface for receiving the sheet roll; an annular inner surface defining a bore for receiving the spindle; circumferentially spaced apart splines projecting radially inward from the annular inner surface and extending axially between the open ends for nesting in corresponding slots in the spindle, at least one spline having a spline stop at one end for frictionally engaging the spindle to retain the core axially; and a set of ribs projecting radially inward from the annular inner surface near the one end and extending between the axial splines, each rib having a radially-oriented face arranged to frictionally engage an outer circumferential surface of the spindle.