| 摘要 |
<p>PURPOSE:To operate an air cleaning apparatus under the conditions of surely fitting an oil pan to surely prevent the oil which dropped from an electric dust collecting element from leaking outside without using an electric part which causes malfunction of a microswitch, etc., by moving a stopper to an insertion controlling position by a spring and joining the stopper with the periphery of an open part of a casing to prevent the electric dust collecting element from being inserted into the casing when the oil pan is not yet inserted. CONSTITUTION:A freely detachable oil pan capable of receiving oil dropping from an electric dust collecting element is installed in an element storage frame 2 and using a stopper, an operational part 8, and a spring 9, the element storage frame 2 is so made as not to be inserted into a casing when the oil pan 5 is not yet inserted.</p> |
