Abstract: A plug-in card (10) for electronic data processing equipment in approximately longitudinal, rectangular, flat form has a housing (11), at lent one printed circuit board (16) and at least one edge connector (17, 18) at one transverse side. Such a plug-in card is manufactured without impairing the mechanical stability, in a simpler and more cost-effective manner with a reduced number of components and at the same time has adequate electromagnetic shielding.

Abstract: A frameless IC card is provided, with front and rear support structures that each includes an electrical connector, with a sheet metal cover mounted on the front and rear board supports without requiring a separate plastic frame to tie the components together. The rear support structure includes at least one rear connector (11', 12', FIG. 3) fixed to the circuit board rear end (104') and an end cap (16') at the rear of the IC card. The end cap has upper and lower flanges (126T, 126B) that form a recess therebetween that closely receives the rear of the rear connector housing to fix their relative vertical positions. The rear end cap has forwardly-extending legs (47, 48) at opposite sides, with each leg having a lug (51, 52) forming a rearwardly-facing shoulder (150) that fits into a cutout (53) at a side of the circuit board, to prevent forward movement of the connector and circuit board out of the rear end cap.

Abstract: A locking device is provided for an electrical connector system to hold two connectors, (1, 2) together. The locking device includes S-shaped sheet metal locking hooks (9) on a second connector that lock into cutouts (8) on a plate (7) of the first connector. One curved arch (14) of the S-shaped sheet metal hook snaps into the cutout and resists unmating.