| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tableware washing and drying machine wherein processing is prevented from being done again caused by carelessness and tampering with the machine by a child by prohibiting operation of a group of switches on the midst of operation. SOLUTION: A group of switches SW to be operated comprises an electric power switch SW1 for turning the electric power on and off, a course selecting switch SW2 for selecting operational processes such as cleaning and drying of tablewares and an operational switch SW3 for starting the operation. An interlock means IL which does not allow the operation of the group of switches SW until the operational process selected by the course selecting switch SW2 is finished when the operation is started by the operational switch SW3 , is provided.</p> |
