Electrically-driven brush

Details Electrically-driven brush Electrically-driven brush

1991-02-19

1991-12-10

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

74 63, A46B 1302, A46B 904

Patent

active

050705679

ABSTRACT:
A toothbrush includes a brush head having a first group of bristle holders arranged along a substantially straight line and a second group of bristle holders arranged in a circle, all the bristle holders being rotatable about their respective axes.

REFERENCES:
patent: 2007073 (1935-07-01), Clarke
patent: 2140307 (1938-12-01), Belaschk et al.
patent: 2142933 (1939-01-01), Bickford
patent: 2215031 (1940-09-01), Elmore
patent: 3242516 (1966-03-01), Cantor
patent: 3775800 (1973-12-01), Veneziani
patent: 4156620 (1979-05-01), Clemens
patent: 4827550 (1989-05-01), Graham et al.

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