Patent ID: 9545023
Date: 2017-01-10
CPC Classifications: H05K,Y10T

Claim:
1. A cabinet for housing electronic plug-in cards, comprising: a front and a back; front and rear card baskets for inserting plug-in cards from the front and back of the cabinet, respectively; first and second vertical backplanes each having a front side and a rear side, wherein the first backplane is attached to the end of the front card basket and the front side of the first backplane faces the front of the cabinet, wherein the second backplane is arranged parallel to and spaced from the rear side of the first backplane and the front side of the second backplane faces the back of the cabinet, the rear sides of the first and second backplanes facing each other; a distance piece connecting the two backplanes, the distance piece comprising a sleeve through which extends a threaded rod, the threaded rod extending through a through hole in each of the backplanes; a counterbore disposed in the rear side of one of the first and second backplanes, the counterbore having a depth less than a thickness of the one backplane and defining a bottom surface, the distance between the bottom surface and the front side of the one backplane defining a residual thickness, the bottom surface of the counterbore being contacted by the distance piece; wherein, the depth of the counterbore or the residual thicknesses of the one backplane after drilling the counterbore is sized such that the distance between the front side of the second backplane and the front of the cabinet is a predetermined value, whereby the plug-in cards pushed onto the second backplane are completely received inside the rear card basket and the front plate of the plug-in cards ends flush with the rear card basket.