Brushing – scrubbing – and general cleaning – Implements – Fabric
Reexamination Certificate
2000-12-18
2002-11-05
Chin, Randall E. (Department: 1744)
Brushing, scrubbing, and general cleaning
Implements
Fabric
C492S013000, C492S019000
Reexamination Certificate
active
06473931
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a painting roller assembly, and more particularly to a painting roller assembly with an insert incorporated thereof thereby providing uniform tension force to a sponge roller to facilitate constant and reliable painting work.
DESCRIPTION OF THE PRIOR ART
As shown in
FIG. 1
, a conventional painting roller generally includes a pair of wheels (
3
A,
4
A) and a support (
2
A) is bridged therebetween. As a result, the support (
2
A) can be rotated along with the wheels (
3
A,
4
A). A sponge roller (
1
A) is enveloped onto the support (
2
A) and the wheels (
3
A,
4
A) to facilitate painting work along a working surface.
Since the support (
2
A) is bridged between the wheels (
3
A,
4
A), the tension or rigidity of the support (
2
A) may attenuate after a period of usage. As a result, the painting work will be negatively influenced.
SUMMARY OF THE INVENTION
It is an objective of this invention to provide a painting roller assembly in which a tension roller incorporated thereof thereby providing uniform tension force to a painting roller to facilitate constant and reliable painting work.
In order to achieve the object set forth, a painting roller assembly in accordance with the present invention comprises a shaft with first and second wheels rotationally supported thereon, and a plurality of supporting ribs bridged therebetween. The supporting ribs are radially arranged between the wheels along perimeter of the wheels. An insert is arranged within a space defined by the ribs such that each supporting rib is suitably supported by the insert thereby increase the overall rigidity of the ribs.
REFERENCES:
patent: 2970366 (1961-02-01), Gill
patent: 4209883 (1980-07-01), Hawk
patent: 5490303 (1996-02-01), Graves
patent: 5979009 (1999-11-01), Polzin
patent: 4219238 (1993-12-01), None
patent: 1272880 (1961-08-01), None
patent: 2593725 (1987-02-01), None
Chang Chia-Sung
Chin Randall E.
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