| 摘要 |
PROBLEM TO BE SOLVED: To provide a sander which is sufficed with small-sized and small number of air holes (suction ports) capable of improving the cooling efficiency of a motor etc.SOLUTION: In a sander 1 of which the upper part 2a of a housing 2 incorporating a motor 30 for driving a pad 10 and a fan 9 can be gripped (first grip) and upper halves of constriction parts 44 provided at both sides of the housing 2 can be gripped (second grips), suction ports 70 are provided under the second grips of the housing 2. The suction ports 70 are provided at both right and left sides. |
