Patent ID: 6768651
Filing Date: 2004-07-27
Classification: G02B,H05K

Abstract:
A communication device comprising:a sub-rack unit comprising: a back wiring board having first connectors arranged in lines thereon; and a frame plate including vertical ribs and placed on said back wiring board so that the vertical ribs separate the lines of the first connectors; and a plurality of plug-in units each comprising: a printed board including top and bottom sides, and parallel first and second sides perpendicular to the top and bottom sides, said printed board having second connectors provided on the first side thereof; a metal case including top and bottom faces, and parallel first and second side faces perpendicular to the top and bottom faces so as to cover said printed board; and first and second spring members, wherein each of said plug-in units is mounted in said sub-rack unit with the first and second connectors being connected so that the first and second side faces of said metal case are pressed outward against the vertical ribs of said frame plate by resilient forces generated by elastic deformation of said first and second spring members, respectively.