Brush section for an electric toothbrush

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

1997-04-22

1999-11-02

Spisich, Mark

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 224, 15 28, A61C 1722

Patent

active

059746130

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) rotatably mounted about a longitudinal axis (3) and driveable in an oscillatory or rotary fashion is received. Further, the brush section (1) includes a bristle carrier (11) which is pivotally mounted on an angled end (19) of the shaft (7) configured as crankshaft and which, in operation of the electric toothbrush, is set in a rotary motion (26) about the transverse axis (14) by a pin (23). The angle (20) formed by the longitudinal axis (3) and the angled end (19) of the shaft (7) serves the added function of causing the bristle carrier (11) to perform a pivotal motion (27) about an axis (28).

REFERENCES:
patent: 1517320 (1924-12-01), Stoddart
patent: 1997730 (1935-04-01), Hite
patent: 3757419 (1973-09-01), Hopkins
patent: 3822432 (1974-07-01), Skinner
patent: 3935869 (1976-02-01), Reinsch
patent: 4603448 (1986-08-01), Middleton et al.
patent: 5259083 (1993-11-01), Stansbury, Jr.
patent: 5416942 (1995-05-01), Baldacci et al.

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