Electric toothbrushes

Details Electric toothbrushes Electric toothbrushes

1996-12-30

1998-07-28

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 28, A61C 1734, A46B 1302

Patent

active

057847436

ABSTRACT:
An electric toothbrush has a drive shaft with an off-set finger. A pivotably supported wobble plate has a fork at one end and an arcuate drive gear at another end. The drive gear meshes with a gear rotatably fixed to a brush holder so that in use the brush holder is caused to oscillate. The arrangement provides more flexibility in design and in particular enables the maximum arc of oscillation to be significantly increased over similar prior art toothbrushes.

REFERENCES:
patent: 5416942 (1995-05-01), Baldacci et al.
patent: 5577285 (1996-11-01), Drossler
patent: 5625916 (1997-05-01), McDougall
patent: 5652990 (1997-08-01), Driesen et al.

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