Brush section for an electric toothbrush

Details Brush section for an electric toothbrush Brush section for an electric toothbrush

1997-12-05

2000-02-08

Till, Terrence R.

Brushing, scrubbing, and general cleaning

Machines

Brushing

152072, 15DIG5, A61C 1734, A46B 1302

Patent

active

060215380

ABSTRACT:
The invention is directed to a brush section (24) for an electric toothbrush (20) in which a handle section (22) is connectible with the brush section (24). A bristle carrier (44) of a circular disk shaped configuration is arranged at the end of the brush section (24) remote from the handle section (22) and has on its upper side bristle tufts (46, 60, 62, 72, 74) disposed on one central ring (54) and one outer ring (56). The bristle carrier (44) is mounted on the brush section (24) so as to be rotatable about an axis of rotation (50) in an alternating oscillating fashion from a central position (58). The axis of rotation (50) is aligned at approximately right angles to a longitudinal center line (52) of the brush section (24). In use of the electric toothbrush (20), an improved cleaning action is accomplished in that the outer ring (56) of the bristle carrier (44) is set with tufts (60, 62) of bristles of different lengths.

REFERENCES:
patent: 4020522 (1977-05-01), Behrend
patent: 4739532 (1988-04-01), Behrend
patent: 5467495 (1995-11-01), Boland et al.
patent: 5652990 (1997-08-01), Driesen et al.
patent: 5732433 (1998-03-01), Gocking et al.

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