| 摘要 |
PROBLEM TO BE SOLVED: To fit an exposure panel to a body module without fail no matter how hard a fitting screw is clamped. SOLUTION: An intercom master unit includes the body module A having a unit body 4 whose rear portion is inserted into a wall, and the exposure panel B. Fitting plates 5 each having a through-hole into which a fitting screw is inserted is formed on the unit body 4, and the fitting screws threadably engage with a switch box fixed in the wall. A hook piece 16 is formed at a lower-end portion of the exposure panel B, and a hook hole into which the hook piece 16 is inserted is formed in a lower fitting plate 5. At a rear-surface upper-end portion of the exposure panel B, a mounting projection 1 is projected which has a claw portion 2 to be hooked to a rear surface of the unit body 4 projected at a chip portion. COPYRIGHT: (C)2009,JPO&INPIT
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