Patent ID: 8132282
Filing Date: 2012-03-13
Classification: E01H

Abstract:
1. A self-propelled mechanical sweeper for cleaning debris from a surface, said mechanical sweeper comprising: a frame mounted on wheels for motion on said surface; a pickup broom assembly mounted to said frame for lifting said debris from said surface; a first belt conveyor mounted to said frame for collecting said debris lifted by said pickup broom assembly and conveying the same away from said surface; a deployable conveyor assembly mounted to said frame and operable for conveying debris conveyed by said first conveyor toward another vehicle, said deployable conveyor assembly comprising: an actuator assembly mounted to said deployable belt conveyor for urging said movement of said second conveyor portion between said folded position and said extended position; and a drive assembly mounted to said frame for driving operation of said pickup broom, said first belt conveyor, said deployable conveyor assembly and said actuator assembly.