Manually releasable grounding electrical plug and means for manufacturing same

Claim 1

A DEVICE FOR FORMING AND SHAPING ELECTRICAL GROUNDING BLADES, COMPRISING: A BASE ELEMENT HAVING AN ELONGATED CHANNEL THEREIN, SAID CHANNEL HAVING A PRINCIPAL AXIS, AND ELONGATED BROACHING ELEMENT SLIDABLY DISPOSED WITHIN SAID CHANNEL AND HAVING AN ELONGATED BROACHING MEANS THEREON, THERE BEING A CYLINDRICAL-SHAPED CHANNEL IN SAID BASE ELEMENT, THE AXIS OF WHICH IS SUBSTANTIALLY PERPENDICULAR TO SAID PRINCIPAL AXIS OF SAID ELONGATED CHANNEL, AND INTERSECTING THE PATH OF TRAVEL OF BROACHING MEANS, SAID BROACHING MEANS HAVING FIRST AND SECOND TERMINALS, EACH OF WHICH COMPLETELY CLEARS AND CYLINDRICALLY-SHAPED CHANNEL WHEN DISPOSED DIRECTLY IN LINE THEREWITH, WHEREBY STOCK MATERIALL TO BE CUT MAY BE INSERTED THROUGH SAID CYLINDRICALLY-SHAPED CHANNEL DURING THE PERIOD IN WHICH SAID FIRST TERMINAL IS ALIGNED WITH SAID CYLINDRICALLY-SHAPED CHANNEL, AND REMOVED WHEN SAID SECOND TERMINAL IS ALIGNED WITH SAID CYLINDRICALLY-SHAPED CHANNEL; SAID BROACHING AREA INCLUDING MEANS ADJACENT ONE OF SAID TERMINALS FOR PREVENTING ROTATIONAL MOVEMENT OF A PORTION OF MATERIAL STOCK ENGAGED THEREWITH, AND MEANS FOR TWISTING A SECOND PORTION OF STOCK AXIALLY DISPLACED WITH RESPECT TO SAID FIRST-MENTIONED PORTION OF STOCK.