| 摘要 |
PURPOSE: A brusher mixed with a polishing agent moves sidewise cleaning non-slips of two steps, thereby improving cleaning efficiency. CONSTITUTION: A polisher for non-slip of a stairway comprises a body(4), a first, second, third wheel(11,12,13), an operating portion(20), a brush(38), and a driving motor. The body is formed in lower part of a control panel. The first, second and third wheel are connected to a first motor with a chain, and is mounted with a braking device. A support plate(22) is fixed to the body by a bracket, and a staircase width sensing portion(24) is bent downward. A pinion and driving gears are mounted in rear side of the operating portion. The driving gears moves right and left along a first guide rail, and a reciprocating frame is connected with the driving gears.
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