| 摘要 |
The present invention relates to an improved structure of a spiral draining roller, characterized in that a plurality of interlaced diagonal partition blocks, and having a design of spiral stairway draining grooves. By the simultaneous rolling of both the front and rear rollers while squeezing the water absorbing foam, drainage is provided for the dirty water to flow outwards towards either side of the grooves. In doing so, it further increases the effect of draining the dirty water by the left and right wings simultaneously and completely.
|
