| 摘要 |
PURPOSE:To provide an automatic opening of a panel without applying any manual operation and enable a filter to be freely removed by a method wherein the filter is provided with an engaging part, and the engaging part is provided with a cam to be engaged with, and a panel is provided with an engaging part and a cam to be engaged with the engaging part is provided. CONSTITUTION:When a filter removing buttom is pushed, a solenoid 20 is energized, a shaft 20a of the solenoid is moved upwardly, a filter cam 21 is rotated around a rotary shaft 21 of the filter cam and a claw 21b of the filter cam is disengaged from a claw 17b of the filter. A filter damper supporting part 17a is pushed downwardly with a downward force of an air damper 19a. A lower end surface of the filter 17 pushes down the flat surface 22b for use in pushing a filter for a panel cam 22, and the claw 22a for the panel cam is removed from a panel claw 14c. Then, the panel 14 is pushed forward by a forward force of the air damper 19b and kept opened. |
