Patent ID: 7996955
Filing Date: 2011-08-16
Classification: E01H

Abstract:
1. A vacuum pickup module arranged for use with a modular street sweeper comprising: a frame supported on wheels for rolling movement in a forward working direction along the ground in a longitudinal direction of the frame; a hopper supported on the frame; a main broom supported for rotation about a horizontal axis extending laterally across the frame spaced rearwardly from the hopper and arranged for engaging the ground at a bottom side thereof; the main broom being arranged to rotate forwardly at the bottom side; at least one side broom supported on the frame for rotation about a respective upright axis, said at least one side broom being offset laterally to one side of the frame; said at least one side broom being arranged to rotate laterally inwardly at a forward side thereof; and a conveyor pickup module comprising a chute and a conveyor rotatable within the chute and being arranged to be supported between the main broom and the hopper so as to convey debris from the main broom to the hopper; the vacuum pickup module being arranged to be interchangeable with the conveyor pickup module so as to be arranged to be supported on the frame, the vacuum pickup module comprising: