Electric Toothbrushes
AssigneeThe Procter & Gamble Company
InventorsJohn Geoffrey Chan, Douglas A. Gall
Life of this patent
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Abstract
A toothbrush has a body, a brush head, and a neck extending between the body and the brush head. The toothbrush also has a massaging element, a plurality of bristles, and a plurality of massaging tips. The brush head has a front face and a rear face. The massaging element is disposed on the rear face of the brush head, while the plurality of bristles and the plurality of massaging tips extend from the front face.
Claims20
An electric toothbrush having a body, a brush head, and a neck extending between the body and the brush head, the brush head having a forward face and a rear face, the toothbrush further comprising:
- a massaging element disposed on the rear face of the brush head;
- a plurality of bristles extending from the forward face, wherein a portion of the bristles are static and a portion of the bristles are movable when in use;
- and
- a drive mechanism for imparting vibration to the massaging element.
An electric toothbrush having a body, a brush head, and a neck extending between the body and the brush head, the brush head having a forward face and a rear face, the toothbrush further comprising:
- a massaging element disposed on the rear face of the brush head, wherein the massaging element comprises a plurality of outwardly extending protrusions;
- a plurality of bristles extending from the forward face, wherein a portion of the bristles are static and a portion of the bristles are movable when in use;
- and
- a drive mechanism for imparting vibration to the massaging element;
- and
- a plurality of elastomeric bristles extending from the forward face, wherein the plurality of elastomeric bristles are disposed adjacent to sides of the brush head.
Dependencies are inferred from the claim text.