Patent ID: 8783981
Filing Date: 2014-07-22
Classification: B41J,B65H

Abstract:
1. A reusable and collapsible core for a printer, comprising: a core that-includes a hollow member that has a bore that fits over a spindle, the core has a first end and a second end and a circumference wherein the core is formed of a deformable resilient material and is deformable along the at least one axially extending groove; a wall formed on the hollow member, the wall having an interior and exterior surface; at least one axially extending ridge formed on the interior surface of the wall of the core; at least one gap formed in the wall and extending from the exterior surface to the interior surface of the hollow member and extending axially from the first end to the second end of the core; and at least one axially extending relief groove formed on the exterior surface of the wall of the core wherein the at least one gap and the at least one axially extending relief groove are disposed substantially equally around the circumference of the core such that there is about equal space between each the gap and at least one groove.