| 摘要 |
PROBLEM TO BE SOLVED: To improve movement operability by using a DC power supply to drive a motor that rotates a dust collection fan.SOLUTION: A dust collector comprises a body housing 2a, a motor 3 that is contained in the body housing 2a, a dust collection fan 4 that is rotated by the motor 3, and a detachable battery pack 40 serving as a DC power supply that supplies power to the motor, where the battery pack 40 is cooled by exhaust air from the dust collection fan 4. A portion of the exhaust air is blown onto a connection terminal part 25 for connecting to the battery pack 40. |
