Driven rotary toothbrush

Details Driven rotary toothbrush Driven rotary toothbrush

1980-03-18

1982-02-02

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

A46B 1302

Patent

active

043132375

ABSTRACT:
An improved driven rotary toothbrush has an electric motor enclosed in a handle and driving a plurality of rotary brushes for simultaneously cleaning multiple tooth surfaces. The rotary brushes are mounted in a brush head adapted to be releasably supported on one end of an elongated brush head support stem having flexible drive shafts extending therealong and having its other end adapted to be releasably mounted on the handle to provide rotary driven connection between the motor and brushes. The releasable mounting of the brush head and of the support stem enables hygenic use of the same motor and handle by a plurality of persons through use of personalized snap-on brush heads and support stems, and also makes possible the easy and economical replacement of the brush heads.

REFERENCES:
patent: 2044344 (1936-06-01), Bagnall
patent: 2124145 (1938-07-01), Merkel, Jr.
patent: 2282700 (1942-05-01), Bobbroff
patent: 2435421 (1948-03-01), Blair
patent: 2562805 (1951-07-01), Martinez
patent: 2583886 (1952-01-01), Schlegel
patent: 2628377 (1953-02-01), Cockriel
patent: 2758326 (1956-08-01), Keely et al.
patent: 3732589 (1973-05-01), Burki
patent: 4048690 (1977-09-01), Wolfson

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