740 ILCS 65/1

All persons in this State who are or may hereafter own or run any threshing machine, corn sheller, or any other machine which is connected to a horse power or power take-off by means of tumbling rods or line of shafting, shall cause each and every length or section of such tumbling rod (except the one next to the horse power or power take-off), together with the knuckles or joints and jacks thereof, to be safely boxed or secured while running.