Electrical tooth brush

Details Electrical tooth brush Electrical tooth brush

2005-04-18

2011-12-20

Guidotti, Laura C (Department: 3727)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S022100

Reexamination Certificate

active

08079106

ABSTRACT:
An electrical toothbrush includes an elongated handle body, a motor received in the handle body to drive a driving shaft to rotate, and a brush head including an elongated brush arm detachably mounted to the driving shaft and arranged when the driving shaft is driven to rotate, the brush arm is rotated correspondingly and a plurality of brushing bristles radially and outwardly extended from the brush arm for generating a rolling motion to substantially brush a user's teeth when the brush arm is driven to rotate, wherein the brush arm is arranged for locating at a position that the brushing bristles are tangentially rolling on the tooth surface to brush the tooth surface and are consequently brush the gumline at a predetermined angle to remove plaque from the areas between teeth and around the gums.

REFERENCES:
patent: 1854626 (1932-04-01), Riggall, Jr.
patent: 3739416 (1973-06-01), Kurachi
patent: 4275749 (1981-06-01), Caroli
patent: 4335480 (1982-06-01), Liu

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