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US 2004/0068818 A1Published application
Cleaning apparatus and roller
AssigneeNanya Technology Corporation
InventorsJiun-Bo Wang, Chung-Min Lin, Shan Chang Wang, Chih-Kun Chen
Life of this patent
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Abstract
A cleaning roller. The roller comprises a shaft, a sponge sleeve, and an inflatable chamber. The sponge sleeve encloses the shaft, and the inflatable chamber is disposed between the shaft and the sponge sleeve. A central portion of the inflatable chamber is thicker than the ends of the inflatable chamber. The inflatable chamber is of elastic materials. By introducing a working flow into the inflatable chamber, the thickness of the central portion of the inflatable chamber can be adjusted.
Claims6
A roller comprising:
- a shaft;
- and
- a sponge sleeve, enclosing the shaft;
- wherein a central portion of the shaft is thicker than the ends of the shaft.
1 more element
A roller comprising:
- a shaft;
- a sponge sleeve, enclosing the shaft;
- and
- an inflatable chamber, disposed between the shaft and the sponge sleeve, a central portion thereof thicker than the ends thereof.
1 more element
Dependencies are inferred from the claim text.