Toothbrush

Details Toothbrush Toothbrush

1983-01-13

1984-09-18

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 23, A46B 1302

Patent

active

044715048

ABSTRACT:
A toothbrush has a cylindrical bristle-carrying head (4; 26) which is rotatable about its longitudinal axis and at the same time reciprocatory along its longitudinal axis by the rotation of a rotor (6; 10) arranged on the handle of the toothbrush. In one embodiment, the toothbrush has means (29, 29a, 30, 30a) which, for ensuring the desired direction of rotation of the brush head, are adapted to block against rotation in the opposite direction.

REFERENCES:
patent: 1795098 (1931-03-01), Scadding
patent: 3270360 (1966-09-01), Kropp
patent: 3284829 (1966-11-01), Allen
patent: 3451086 (1969-06-01), Burgett
patent: 3661018 (1972-05-01), Keefer
patent: 4084280 (1978-04-01), May

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