Card cage for printed circuit cards

Claim 1

A card cage for printed circuit cards comprising an upper frame member having a plurality of pairs of apertures spaced longitudinally along the member, each pair of apertures being located along a line transverse of the member, a lower frame member having a plurality of pairs of apertures spaced longitudinally along the member, each pair of apertures being located along a line transverse of the member, a pair of side members each of which is connected to opposite ends of said upper and said lower frame members to secure said frame members in a spaced apart relationship with each pair of apertures in one frame member being coplanar with a pair of apertures in the other frame member, both said pair of apertures being in a plane that is transverse to said frame members and parallel to said side members, and a printed circuit guide member comprising a pair of separated guide elements joined by a normally planar resilient strip, each guide element having a channel formed therein for guiding a printed circuit card into the card cage, and a pair of projecting elements, one for each guide element, separated by a distance slightly greater than the distance between the apertures of a pair of apertures, the arrangement being such that when the projecting elements are snapped into a pair of apertures the normally planar resilient strip joining said guide elements will bow above the bottom of the channel formed in said guide members.