Rotary sweeping broom

Details Rotary sweeping broom Rotary sweeping broom

1978-09-15

1981-05-19

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15 82, A46B 710

Patent

active

042676169

ABSTRACT:
A rotary broom for street sweepers and the like includes a central core. A coiled sweeping brush means has one end affixed to the core and is helically wound around the core. The turns of the brush means are free to move on the core and the winding direction of the brush means is coordinated with the direction of rotation of the broom so that rotation of the broom on the street produces a circumferential movement of the brush means about the core which tightens the brush means on the core. The brush means may comprise a first coiled sweeping brush with one end affixed to the core and helically wound around the core in a first winding direction, typically toward the center of the core. A second coiled sweeping brush has one end affixed to the core and is wound in the opposite direction of winding toward the center of the core. The inner ends of the brushes may be coupled to a clip which permits the slack removing, circumferential movement about the core while restraining the ends for other movements together.

REFERENCES:
patent: 667305 (1901-02-01), Feix
patent: 1198407 (1916-09-01), Beckett
patent: 1439159 (1922-12-01), Frost
patent: 3193866 (1965-07-01), Jones
patent: 3705225 (1973-08-01), Gould et al.
patent: 3715773 (1973-02-01), Drumm
patent: 3952359 (1976-04-01), Rosseau

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