Patent ID: 7401780
Filing Date: 2008-07-22
Classification: B65H

Abstract:
1. A roller having a roller circumference for use in an image forming apparatus, the roller comprising: a contact surface having a first radius extending around the roller circumference; a first recess extending along a first sector of the roller, a bottom surface of the first recess having a second radius less than the first radius, the first recess comprising a kick surface disposed at one end of the recess between the contact surface and the bottom surface of the first recess; and a second recess having a bottom surface with a third radius less than the first radius, the second recess comprising a kick surface disposed at one end of the recess between the contact surface and the bottom surface of the second recess, the second recess being spaced apart from the first recess such that a section of the contact surface is positioned between the first recess and the second recess; wherein the section of the contact surface positioned between the first recess and the second recess has a width less than a combined width of the first and the second recesses; lines formed at the intersections of the kick surfaces of the first and second recesses and the contact surface are parallel to an axis of rotation of the roller.