Patent ID: 6966097
Filing Date: 2005-11-22
Classification: E01H

Abstract:
1. A road sweeper with dust control for cleaning a surface, the road sweeper comprising: a. a vacuum source; b. a main road surface cleaning head in fluid communication with the vacuum source, and having an opening adjacent a surface intended to be cleaned; c. at least a first gutter cleaning head in fluid communication with the vacuum source, and having an opening adjacent a gutter area intended to be cleaned; d. a hopper for collecting dust, dirt, and debris; e. a conveying mechanism in fluid communication with the vacuum source, and thereby vacuumed, and in communication with the road surface cleaning head for transporting dust, dirt, and debris from the main road surface cleaning head to the hopper; and, f. a common air filtration mechanism for substantially removing airborne dust in air drawn from the main cleaning head opening and the gutter cleaning head opening by way of the vacuum source, g. the main road surface cleaning head includes an elongated rotary broom having a rotational axis substantially aligned with the surface; h. the gutter cleaning head includes a rotary broom having an axis of rotation generally transverse to the road surface; and, i. said conveying mechanism is a conveyor mechanism for transporting the dirt and debris to the hopper, and where the conveyor mechanism is surrounded at least in part by a vacuumized housing having an open end in communication with the main road surface cleaning head, and a second open end in communication with the hopper.