| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cleaner capable of collecting and cleaning dirt such as dust at corners of a room.SOLUTION: The cleaner includes a dust collector 10, and a side brush 20 for collecting dust in front or at lateral sides of the dust collector 10. The side brush 20 includes a rotary shaft 14, a brush base 13, and a brush bundle 12 filling the brush base 13 and coming into contact with a floor face. When the cleaner is placed on a horizontal floor face, and an angle formed between a vertical line S crossing with a central line of the dust collector 10, and a central line of the rotary shaft 14 is defined asα(α<90°), and an angle of the brush bundle 12 with respect to the central line of the rotary shaft 14 is defined asβ, the cleaner satisfies a relational expression, 0<β<α.</p> |
