| 摘要 |
PURPOSE:To regulate the up-and-down and back and forth movements of a side decoration plate and also its swing to the right and left to give certain mounting by engaging with and inserting into an engagement hole on an operation plate resilient claws of projections provided on the side decoration plate and covering a ceiling plate close to the upper end section of the side decoration plate. CONSTITUTION:A projection 4a of a side decoration plate 4 is inserted into an engagement hole 2 provided on the side face of the connecting section of a front operation plate 2 and a side plate 3. Next, when the section of the side decoration 4 where the projection 4a is provided is pressed, the projection 4a passes through the engagement hole 2a, and the resilience of a claw 4b is recovered and fits into the engagement 2a. Further, a ceiling plate 1 which covers and attaches to the upper end section of a front operation plate 2 curls its lower end toward inside, and because the curling section 1a is near the upper end section of the side decoration plate 4 via a very small gap C, it is possible to prevent coming off of the side plate 3 by the gap created by a twist, etc. of the upper end section of the front operation plate 2 due to excessive pressure.
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