Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1983-03-08
1985-11-05
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
56328R, 56364, 171 63, 414439, E01H 100
Patent
active
045504652
ABSTRACT:
An apparatus for picking up surface litter on the ground includes a movable main frame towed by a lightweight vehicle. A roller carriage pivotally attached to the main frame supports identical front and rear oppositely rotating tandem rollers each having ground engaging rows of resilient fingers. The rollers are driven by a ground engaging drive wheel and sprocket gear arrangement. The resilient fingers spread apart to entrap litter and mesh between the rollers to transfer litter downstream, to a main frame conveyor for containment within a trash drum. A pair of wiper blades completely dislodge litter entrapped between the roller fingers and cooperate with upper portions of each roller to define a transfer path towards the conveyor. In a second embodiment, the trash drum is pivotally secured to the main frame to control the height of the drum discharge opening. In a third embodiment, a rectangular, box-like main frame is supported by a rear panel door of a dump truck. A roller carriage carrying tandem rollers is attached to the main frame to pivot between a horizontal, ground engaging position laterally adjacent the truck and a vertical storage position. Surface litter collected by the roller fingers is discharged into an auger conveyor attached to the carriage and laterally propelled into a hopper on the main frame. The hopper directs litter into a main frame conveyor for discharge into the dump truck.
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