Paint brush assembly having two-stage anti-reverse effect

Details Paint brush assembly having two-stage anti-reverse effect Paint brush assembly having two-stage anti-reverse effect

2003-05-15

2004-04-27

Walczak, David J. (Department: 3751)

Coating implements with material supply

Material flows through porous tool

Hollow roller

C401S270000, C401S272000, C141S127000, C141S027000, C141S205000

Reexamination Certificate

active

06726389

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a paint brush assembly, and more particularly to a paint brush assembly having a two-stage anti-reverse effect.
2. Description of the Related Art
A conventional paint brush is used to coat the paint on an article so as to protect the surface of the article and to enhance the aesthetic quality of the article. However, when the conventional paint brush is immersed into a barrel containing the paint and is removed outward from the barrel, the paint easily leaking outward, thereby contaminating the floor or the wall.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a paint brush assembly having a two-stage anti-reverse effect, so that the paint contained in the container can be supplied into the barrel conveniently.
Another objective of the present invention is to provide a paint brush assembly having a two-stage anti-reverse effect, so that the paint contained in the barrel can be supplied into the connecting pipe conveniently.
A further objective of the present invention is to provide a paint brush assembly having a two-stage anti-reverse effect, thereby preventing the paint from being exposed and leaked outward.
A further objective of the present invention is to provide a paint brush assembly having a two-stage anti-reverse effect so as to enhance stability of operation of the paint brush assembly.
In accordance with the present invention, there is provided a paint brush assembly, comprising a control valve, a first rubber, a control rod, a connecting pipe, and a second rubber, wherein:
the control valve has an inside formed with a connecting hole having a first end formed with a first hole and a second end formed with a second hole;
the control valve has a side formed with a protruding filling block having a first end formed with a through hole and a second end formed with an insertion hole;
the first rubber has a tapered first end inserted into the insertion hole of the filling block of the control valve;
the control rod has a first end to seal the through hole of the filling block of the control valve and a second end movably mounted in the control valve;
the connecting pipe has a first end mounted in the second hole of the control valve; and
the second rubber has a tapered first end inserted into the first end of the connecting pipe.


REFERENCES:
patent: 4695176 (1987-09-01), Simonette et al.
patent: 4732503 (1988-03-01), Bader et al.
patent: 4810123 (1989-03-01), Bruggeman
patent: 4824272 (1989-04-01), Collins et al.
patent: 5975782 (1999-11-01), Lee

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