| 摘要 |
<p>PURPOSE:To prevent electric shock accident at the time of checking or cleaning and enhance the safety, by providing a plug to prevent opening of the cover as an electrical connection means in a charging device consisting of the base, charging part, cover, etc. CONSTITUTION:A charging device 6 of a dust collector 1 to apply charge to the dust to be sucked and capture the charged dust consists of a base 7, a charging part, a cover 8, power source unit and other parts, and is constituted to generate high voltage by connecting to the power source from a cable 16 by means of a plug 17. This plug 17 is of plug-in type. A plug 18 is of male type, being secured to the base 7 integrally, while the plug 17 is of female type and is provided to be positioned inside the cover 8 by dimension A. Therefore, the cover 8 cannot be opened unless the plug 17 is pulled out and the power source is cut off, so that the safety may be easily ensured.</p> |
