| 摘要 |
PURPOSE: A brush having a dustcloth for a vacuum cleaner is provided to rotate a rotary body, to which the dustcloth is attached, without an additional power supply unit and a motor by using the kinetic energy of sucked air. CONSTITUTION: A brush having a dustcloth(22) is composed of a brush case(18,20), a turbine(10) installed in the brush case and driven by the kinetic energy of sucked air, power transmission gears(12,14) connected to both ends of the turbine and transmitting the rotary power of the turbine, and a rotary body(29). The dustcloth is attached to the rotary body, and is connected to the power transmission gear.
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