Electric toothbrush

Details Electric toothbrush Electric toothbrush

1980-02-06

1982-08-17

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

Combined

15 22R, 15 23, A46B 1302

Patent

active

043442021

ABSTRACT:
This electric toothbrush is of the type in which the brush is rotated about its longitudinal shaft; this shaft is extended forwards by a tip able to be introduced into the interdental space for massaging the papilla and cleaning the mesial and distal faces of the teeth; the brush is enveloped over about a third of its periphery by a coaxial gutter and this coaxial gutter terminates in a raised fork-shaped end which serves as a free guide for the end of the longitudinal shaft of the brush; the rotational movement of this shaft imparts thereto a simultaneous reciprocal movement which is transmitted to its tip.

REFERENCES:
patent: 1795098 (1931-03-01), Scadding
patent: 2134934 (1938-11-01), Wilhoit
patent: 2840837 (1958-07-01), Gustems
patent: 3551932 (1971-01-01), Grossman

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