Paste dispensing toothbrush

Details Paste dispensing toothbrush Paste dispensing toothbrush

1979-09-20

1981-07-07

Coughenour, Clyde I.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

222326, 222390, 401182, B46B 1102

Patent

active

042771943

ABSTRACT:
A toothbrush having a polishing paste compartment and a plunger apparatus for forcing paste through a passageway into communication with the bristles of the toothbrush. The compartment for containing the paste may be either a refillable container or cartridge or a disposable cartridge. The plunger is operated by a thumb wheel drive located at the end of the toothbrush handle.

REFERENCES:
patent: 499612 (1893-06-01), Tower
patent: 1362937 (1920-12-01), Grace
patent: 1498439 (1924-06-01), Flom
patent: 1968686 (1934-07-01), Janer
patent: 2018158 (1935-10-01), Violette
patent: 2167815 (1939-08-01), Rosler
patent: 2199877 (1940-05-01), Cervera
patent: 2498384 (1950-02-01), Wikheim
patent: 3378176 (1968-04-01), Snyder
patent: 3995648 (1976-12-01), Kuryla
patent: 4083477 (1978-04-01), Zetterberg

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