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US 2006/0137118 A1Published application
Complex motion toothbrush
AssigneeThe Procter & Gamble Company
InventorsLawrence Blaustein, Douglas Gall, Patrick Brown
Life of this patent
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Abstract
An electrically driven toothbrush may comprise a shaft comprising a cam. The cam may contact and move a first bristle holder. The shaft may drivingly engage the first bristle the holder. A second bristle holder may be driven by the first bristle holder. The second bristle holder may be driven by an engagement with an element extending from the first bristle holder.
Claims1
An electric toothbrush, comprising:
- a handle at a first end of the toothbrush having a motor disposed therein;
- a head at a second end of the toothbrush, the head having a longitudinal axis and the head comprising a first bristle holder, the first bristle holder comprising a housing and a plurality of bristle tufts, the head also comprising a second bristle holder, the second bristle holder comprising a housing and a second plurality of bristle tufts;
- wherein the first bristle holder oscillates about a first pivot, wherein a molded protrusion of the first bristle holder extends substantially along the longitudinal axis of the head;
- wherein the second bristle holder is driven by the protrusion of the first bristle holder which extends along the longitudinal axis of the head.
1 more element
Dependencies are inferred from the claim text.