| 摘要 |
PURPOSE:To facilitate a change work by opening a door frame and operating a lock mechanism, detaching a display unit attached to the reverse side of the door frame from an opening part, installing a new display unit to the opening part from the reverse side of the door frame, and containing and fixing the display unit to the door frame by the lock mechanism. CONSTITUTION:By opening an inner frame 7 and a front frame, a pressure operating part 59 is moved upward. As a result, a connecting lever 55 is depressed in the direction as indicated with an arrow A, and the detention of a roller pin 51 and a lock claw 56 is released. In such a way, a reel unit 36 can be detached from a reel hole. Accordingly, the reel unit 36 to be changed is detached, and the new reel unit 36 is installed. Accordingly, by depressing the pressure operating part 59, moving the connecting lever 55 in the direction B, and detaining lock pin 51 and the lock claw 56, the new reel unit 36 is fixed to a fitted state. |
