Self-propelled Vacuum Cleaner

A machine consisting essentially of a power driven fan, pick-up nozzle and hoppe (s) , mounted on a modified truck chassis. The fan creates a vacuum which draws debris through the pick-up nozzle and deposits it into the hopper. It is designed specifically for removing all loose debris, such as dirt, stones, small metal pieces and the like from runways, taxiways, roads and other paved surfaces. See also sweeper, rotary, self-propelled.