Automatic apparatus for sharpening and smoothing razor blades. (Machine-translation by Google Translate, not legally binding)

摘要

An automatic apparatus for sharpening and smoothing razor blades consisting essentially of a box that acts as a frame within which two rollers provided with respective toothed wheels are arranged which mesh with each other thus rotating in the opposite direction one of whose the rollers receive a turning movement in a convenient sense by means of a crank that comes out to the outside of the box being arranged between said rollers and parallel thereto a piece suitable for holding the sheet so that it is simultaneously tangent to both rollers and with a light pressure on them whose piece to each complete turn of the rollers and coinciding with a depression that they present in all its width is forced to describe a turn of half a turn. (Machine-translation by Google Translate, not legally binding)