Power toothbrush or the like with orbital brush action

Details Power toothbrush or the like with orbital brush action Power toothbrush or the like with orbital brush action

1981-03-24

1982-06-29

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

128 47, 173 73, A46B 1306

Patent

active

043366228

ABSTRACT:
The disclosure relates to a power toothbrush or the like characterized particularly by the fact that the brush element is driven in an orbital path, as distinguished from a more conventional angularly reciprocating motion. To particular advantage, the power driven brush may be motivated by a water powered nutating action motor mounted in the handle of the unit, although alternative arrangements, including conventional electric motor units, may be used to power the device. In the preferred appliance, an orbital output motion of a nutating drive motor is converted to rotary motion, and this in turn is converted back to an orbital motion in the brush or working element. In other forms of the device, the orbital output of the nutating motor is imparted directly to the working element. The latter arrangement has advantages of greater simplicity, while the former arrangement has advantages of greater compactness.

REFERENCES:
patent: 807299 (1905-12-01), Marshall
patent: 839392 (1906-12-01), Kelly
patent: 1005024 (1911-10-01), Griner
patent: 1495010 (1924-05-01), Ford
patent: 2439262 (1948-04-01), Nalbach et al.

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