Dual brush floor sweeper

Details Dual brush floor sweeper Dual brush floor sweeper

1980-12-04

1982-11-09

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

A47L 1132

Patent

active

043577270

ABSTRACT:
A floor sweeper has a pair of brush rollers, each sweeping into its own dust pan. Each brush roller has different debris pickup characteristics, with one brush roller tending to be more efficient in picking up large debris and the other roller tending to be more efficient in picking up smaller debris. The illustrated embodiment discloses a front brush roller of the off-center tufted type which rotates continuously toward its respective pan during reciprocal sweeper translation, with a relatively high free-wheeling rotation in one direction of sweeper translation. The rear brush roller is of the wire twist type and also rotates continuously toward its pan during reciprocal sweeper translation, but with relatively low rolling rotation in one direction of sweeper movement.

REFERENCES:
patent: 426116 (1890-04-01), Drew
patent: 1319836 (1919-10-01), Boyle
patent: 1886950 (1932-11-01), French
patent: 3457575 (1969-07-01), Bienek
patent: 3842459 (1974-10-01), Tsuruzawa
patent: 4007508 (1977-02-01), Ooyachi

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