| 摘要 |
A painting roller assembly 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. An insert is arranged between the ribs such that each supporting rib is suitably supported by the insert thereby increase the overall rigidity of the ribs. A sponge roller is enveloped onto the wheels and ribs to facilitate painting work.
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