Toothbrush

Details Toothbrush Toothbrush

1984-04-04

1986-11-18

Peshock, Robert

Toilet

Nail device

Compound tools

401175, A45D 4418

Patent

active

046229841

ABSTRACT:
A toothbrush with a paste-carrying hollow handle and a hand-manipulated dispensing apparatus including a threaded open end of the handle for connection with a container of toothpaste during loading, and connection with the bristle portion during operation. Also included in the handle is a quantity indicator window and a threaded plunger upon a shaft with mating threads, the plunger adapted to be advanced by hand-manipulated rotation of the shaft. A thumb-operated retractable gate is used to control the amount of paste dispensed through an opening located between the bristle rows, as well as to close off all dispensing.

REFERENCES:
patent: 993006 (1911-05-01), Weinstein
patent: 1340043 (1920-05-01), Grace
patent: 2172624 (1939-09-01), Robert
patent: 2243774 (1941-05-01), Resh
patent: 2521928 (1953-09-01), Martin
patent: 2699889 (1955-01-01), Johnson
patent: 4269207 (1981-05-01), Konrad et al.
patent: 4421433 (1983-12-01), Villanueva

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