Brush section for an electric toothbrush

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

1997-03-04

1999-02-09

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 28, A46B 1302

Patent

active

058678565

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) is received which is mounted so as to be rotary about a longitudinal axis (3) and is adapted to be driven in an oscillatory fashion. Further, the brush section (1) includes a bristle supporting structure (11) which is arranged so as to be rotary about a transverse axis (14) by means of a bearing pin (18) and is adapted to be set in a rotational motion (29) about said transverse axis (14) by means of a drive pin (24). The fixed connection between the bearing pin (18) and the shaft (7) has the added effect of causing the bristle supporting structure (11) to perform a pivotal motion (28) about the longitudinal axis (3). The rotational motion (29) of the bristle supporting structure (11) produces a cleaning action on a user's exposed tooth surfaces, whilst the pivotal motion (28) acts to accomplish an additional cleansing operation on the user's inter-proximal surfaces.

REFERENCES:
patent: 4179765 (1979-12-01), Teague et al.
patent: 5383242 (1995-01-01), Bigler et al.
patent: 5461744 (1995-10-01), Merbach
patent: 5504959 (1996-04-01), Yukawa et al.
patent: 5524312 (1996-06-01), Tan et al.
patent: 5577285 (1996-11-01), Drossler
patent: 5732433 (1998-03-01), Gocking et al.
Copy of International Search Report dated Nov. 29, 1995.

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