Brush section for an electric toothbrush

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

1997-03-25

1999-01-26

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 221, A61C 1734, A46B 1302

Patent

active

058625585

ABSTRACT:
The invention is directed to a brush section (1) for an electric toothbrush which includes a mounting tube (2) in which a shaft (7) rotary about a longitudinal axis (3) is received. Further, the brush section (1) includes a bristle carrier (11) from which bristles (15) extend in the direction of a brush axis (14). The bristle carrier (11) is rotary about a transverse axis (19) by means of a bearing pin (21). By means of in particular a tapered disk (24), the brush axis (14) and the transverse axis (19) define between them an angle (28) departing from an apex (29). In operation of the electric toothbrush, the bristle carrier (11) performs a nutating motion about the transverse axis (19). This effects a revolving approaching/receding motion of the free ends of the bristles (15) resulting in an improved cleaning action on a user's teeth.

REFERENCES:
patent: 5416942 (1995-05-01), Baldacci et al.
Copy of International Search Report dated Nov. 29, 1995.

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