Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1993-07-12
1994-05-10
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 4, 15 491, 15 80, 15179, 15183, A46B 1302, A47L 1124
Patent
active
053095979
ABSTRACT:
A hand held device for sweeping cloth and other surfaces and to convey the sweepings to a self-contained dust pan. An endless flat belt rotating on two pulleys of unequal diameter supports a plurality of transverse brushes which do the sweeping and conveying. Rotation is derived from a motor contained within the larger pulley. The motor is driven by direct current batteries when the operator presses a switch in the handle. The smaller pulley resides near an opening in the housing. The brushes, one after another sweep through the opening picking up any residues on the surface being brushed and conveys them onto a flat surface which is parallel to the conveying leg of the belt. This plate cooperates with the brushes to convey the particles of residue to the center of the dust pan. Gravity traps the particles beneath the conveying plate in the dustpan until dumping is accomplished. The brushes continue on through a comb, on around the main pulley and back to the opening for another stroke. The residues are dumped by the operator placing the unit over a waste receptacle with the opening up and rotating the dust pan to the open position. The pan pivots about the axis of the small pulley. A storage receiver stores the unit and recharges the batteries.
REFERENCES:
patent: 3368231 (1968-02-01), Kravos et al.
patent: 3872539 (1975-03-01), Doyel
patent: 4209870 (1980-07-01), Doyel
patent: 4799281 (1989-01-01), Sandstrom
patent: 4914773 (1990-04-01), Ham
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