Patent ID: 7963388
Filing Date: 2011-06-21
Classification: B65G

Abstract:
1. A spline roller comprising: (a) a cylindrical barrel having a length, a first and second end, a centerline, and a circumferential surface, and (b) at least a first drive portion formed integrally into the circumferential surface, having a first end and a second end, at least a first circumferential recess at the first end, and comprising a plurality of the parallel, radially-disposed, splines about the circumference that are recessed radially inwardly from the circumferential surface, each spline extending from the first circumferential recess to the second end, wherein the first circumferential recess has a first depth from the circumferential surface of the barrel, and wherein the splines have a ridge having a second depth from the circumferential surface that is less than the first depth.