| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator operation button device having properly improved assembling efficiency. <P>SOLUTION: The elevator operation button device comprises an electrode plate 2 constituting an operation button part provided on the surface side of a surface plate 9, a housing 3 provided on the reverse side of the surface plate 9 and mounted with a light source 4a and a detection circuit board 5, and a connection member constituted by a conductive screw 2a, having one end joined to the electrode plate 2 and the other end engaging with a light diffusion plate 8 for diffusing a light from the light source 2a for fixing and holding a design frame 1 on the surface side of the surface plate 9 with the electrode plate 2 and fixing and holding the light diffusion plate 8 on the reverse side of the surface plate 9 with a nut 10 provided at the other end to ensure electric connection between the detection circuit board 5 and the electrode plate 2. The housing 3 has an opening portion 3b engageable with the light diffusion plate 8 in the state of fixing and holding the light diffusion member with the connection member to ensure electric connection between the detection circuit board 5 and the electrode plate 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
