Modular type terminal block

Claim 1

A TERMINAL BLOCK COMPRISING AN INSULATING HOUSING AND A PLURALITY OF AXIALLY ALIGNED STACKED RECEPTACLES IN SAID HOUSING, SAID RECEPTACLES EACH HAVING A GENERALLY I-SHAPED CROSS-SECTION AND COMPRISING A RELATIVELY WIDE STRIP OF CONDUCTIVE METAL, TWO OPPOSITE SIDES OF SAID STRIP BEING FOLDED TOWARDS EACH OTHER TO FORM A DOUBLE METAL THICKNESS WEB WITH TWO OPPOSITE EDGES OF SAID STRIP BEING OPPOSED TO AND PARALLEL TO EACH OTHER ON SAID SIDE OF WEB, THE FLANGES OF SAID I-SHAPED CROSS-SECTION BEING FORMED AT SAID FOLDS, AND SLOTS IN SAID FLANGES EXTENDING IN PLANES PARALLEL TO THE PLANE OF SAID WEB WHEREBY, UPON INSERTION OF A TERMINAL TAB INTO ONE OF SAID SLOTS, THE ASSOCIATED FOLDED SIDE IS FLEXED AWAY FROM THE CENTRAL PORTION OF SAID WEB, AN HOUR-GLASS CAVITY IN SAID HOUSING, SAID RECEPTACLES BEING STACKED IN SAID CAVITY WITH SAID FOLDED SIDES OF SAID STRIP EXTENDING INTO THE NECK PORTION OF SAID CAVITY WHEREBY, SAID FOLDED SIDES ARE PREVENTED FROM BEING OVERSTRESSED UPON INSERTION OF SAID TAB.