DC power spraying tool

Details DC power spraying tool DC power spraying tool

2007-02-27

2007-02-27

Keasel, Eric (Department: 3753)

Fluid sprinkling, spraying, and diffusing

Flow line or nozzle attached or carried handgrip or handle

Pistol grip type

C239S332000, C239S337000, C222S333000

Reexamination Certificate

active

10441485

ABSTRACT:
A DC power spraying tool includes a housing having an inlet opening, a discharging opening, and a motor cavity, a liquid container for containing a liquid colorant therein communicatively connected to the inlet opening of the housing, a spray nozzle extended from the discharging opening of the housing to communicate with the liquid container, and an electric motor supported within the motor cavity of the housing for applying a vacuum pressure on the liquid container to pump the colorant towards the spray nozzle. A DC power source includes a rechargeable battery supported by the housing for applying a DC current and a control circuitry electrically connected the rechargeable battery with the electric motor for transforming the DC current to an impulse current so as to drive the electric motor to operate.

REFERENCES:
patent: 2925202 (1960-02-01), Stevens
patent: 3455507 (1969-07-01), Ryder et al.
patent: 3899134 (1975-08-01), Wagner
patent: 3993250 (1976-11-01), Shure
patent: 4705995 (1987-11-01), Boll
patent: 5121884 (1992-06-01), Noakes
patent: 5150841 (1992-09-01), Silvenis et al.
patent: 6189811 (2001-02-01), Rudy

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