Tooth brush device

Details Tooth brush device Tooth brush device

2005-09-27

2005-09-27

Nguyen, Tuan (Department: 3751)

Coating implements with material supply

Including means to apply material-moving force

In or at feeder

C401S149000, C401S150000, C401S180000, C401S18800A, C401S278000, C401S279000

Reexamination Certificate

active

06948875

ABSTRACT:
A toothbrush device is provided, which includes a brush, a toothpaste storing case, and a push-button pump disposed between the brush and the toothpaste storing case; a first check valve disposed between the toothpaste storing case and the pump, a second check valve disposed between the first check valve and the toothpaste storing case, and a first spring disposed between the first and second check valves; wherein the first check valve includes a second spring and a piston in sequence in a direction away from the pump, and has a working element which includes a rod with movement grooves at a first end thereof and a securing part at a second end thereof.

REFERENCES:
patent: 4236651 (1980-12-01), Meyer et al.
patent: 5158383 (1992-10-01), Glover et al.
patent: 5393153 (1995-02-01), Bouthillier et al.
patent: 6039489 (2000-03-01), Harman et al.

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