Toothbrush

Details Toothbrush Toothbrush

2006-12-20

2008-05-27

Chin, Randall (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S028000

Reexamination Certificate

active

07377000

ABSTRACT:
An electric toothbrush having a handpiece, a bristle holder which is arranged on a head portion of the handpiece and is rotatable about an axis of rotation of the bristle holder, and a drive mechanism for the bristle holder. The drive mechanism includes a motor which is arranged on the handpiece, and a transmission member which transfers a driving motion from the motor to the bristle holder. The transmission member is arranged to rock in multiple axes and is arranged to be driven by the motor such that is approximately traverses a double conical path.

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patent: 5524312 (1996-06-01), Tan et al.
patent: 5862558 (1999-01-01), Hilfinger et al.
patent: 6349442 (2002-02-01), Cohen et al.
patent: 2003/0154567 (2003-08-01), Gehrden
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patent: 201 08 679 (2001-09-01), None
patent: 201 12 320 (2001-11-01), None
patent: 2228352 (1974-11-01), None
patent: WO 99/63905 (1999-12-01), None

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