| 摘要 |
<p>PURPOSE:To easily attain the maintenance of the inside of a control part main body by allowing the opening of the main body to be confronted from an outside when an input board is placed at a maintenance position. CONSTITUTION:A key input board 1 is provided at a control part main body 4. An opening 6 for maintenance facing onto the inside of the main body 4 is formed on the upper face of the main body 4. The front part of the key input board 1 is linked through pins 13a and 13b with the front part of the main body 4 by a link 2, and the back part of the key input board 1 is linked through pins 12a and 12b with the back part of the main body 4 by a link 3. Also, the key input board 1 can be moved between a housing position where the opening 6 for maintenance is closed and the maintenance position where the opening 6 for maintenance is confronted from the outside on the main body 4. When the input board 1 is placed at the maintenance position, the opening 6 for maintenance of the main body 4 can be confronted from the outside, so that the maintenance of the inside of the main body can be easily attained.</p> |
