| 摘要 |
PROBLEM TO BE SOLVED: To provide a protective frame of an operation opening which has feel of integrity and good appearance and is inexpensive. SOLUTION: Since a bent part 7 bent by a burring processing is fitted in a fitting groove 15 of a protective frame 11 so as not to be exposed, safety is ensured, while since an end surface treatment such as deburring is not required for the rear end surface of the part 7, costs be reduced. The frame 11 is mounted to the rear surface of a front panel 3 through a resilient contact piece 25, so that a gap between an operation opening 4 and a main body 5 can be enclosed by an inner frame 19. The frame 11 is not exposed to the surface of the panel 3, and hence the frame 11 may not be soiled and the difference in material between the frame 11 and the panel 3 may not cause a feel of incompatibility. Further, since a stopper surface 22 is formed at the frame 19 so as to receive a cover 27, the cover can be prevented from being excessively opened, and when the cover 27 is closed, the cover is brought into contact with the front end surface of the frame 19 so as to be fixed.
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