TOTAL BANK OR BAND-FORMED MATERIAL GLETTVALS

摘要

A paper unfolding roller is made up of a solid central shaft which has a number of split sleeve sections (6) fitted along it. The sleeve sections are mounted on ball bearings (5) with the inner cages on the shaft. The outer cages carry adjacent ends of the sleeve sections which are cylinders cut with a number of equidistant slots drilled with a hole at each end of each slot. The slots are of the same length but successive slots subtend overlapping angles.