| 摘要 |
<p>Housing (10) has a slot into which the finger nail is inserted. Behind the slot is a filing tool (13) consisting of a cylindrical disc (14) the outer surface of which is positioned behind the slot. Alternatively, the filing tool can consists of a belt running over two rollers. The distance between the file (13) and the slot can be altered. The file is connected to an electric motor (11). The housing (10) contains a battery attachment (15) with contacts (16, 17) and connecting wires (18, 19) to the motor. A cleaner (24) can be moved lengthwise along a shaft (23) on the narrow side of the housing (10).</p> |
