Plug-in meter socket

Claim 1

A PLUG-IN SOCKET FOR AN ELECTRIC METER OR THE LIKE OF THE TYPE PROVIDED WITH KNIFE BLADE CONTACT ELEMENTS, SAID SOCKET INCLUDING AN ENCLOSURE, AN INSULTING BASE BLOCK MOUNTED THEREIN AND FORMED AT EACH OF OPPOSITE POLYGONAL BLOCK ENDS WITH A FRONT SEAT AND ALSO WITH A PLURALITY OF TERMINAL-POSITIONING SIDE SEATS IN RELATIVELY ANGULAR DISPOSITION AROUND THE BLOCK END, KNIFE BLADE CONTACT MEMBERS RESPECTIVELY BASED ON THE FRONT SEATS OF THE BLOCK ENDS AND PROJECTING FORWARDLY THEREFROM FOR FRICTION CONTACT WITH THE KNIFE BLADE ELEMENTS OF THE METER OR THE LIKE, WIRE CONNECTOR TERMINAL FITTINGS AT THE RESPECTIVE BLOCK ENDS, THE TERMINAL FITTING AT EACH SAID BLOCK END BEING OPTIONALLY SEATED ON ANY ONE OF THE SIDE SEATS AT THE BLOCK END TO OCCUPY ANY OF RELATIVELY ANGULAR POSITIONS AROUND THE BLOCK END, THE TERMINAL FITTING AT EACH SAID BLOCK END INCLUDING A PLATE-FORM PIECE WHICH IN ANY OF THE OPTIONAL RELATIVELY ANGULAR POSITIONS OF THE TERMINAL FITTING AROUND THE BLOCK END EXTENDS OVER THE FRONT SEAT AT THE BLOCK END FOR SURFACE ATTACHMENT TOGETHER WITH THE BASE OF THE ADJACENT KNIFE BLADE CONTACT MEMBER TO THE FRONT SEAT, MEANS FOR EFFECTING THE ATTACHMENT OF THE PLATEFORM PIECE OF A TERMINAL FITTING AND THE BASE OF A SAID KNIFE BLADE CONTACT MEMBER TO THE FRONT SEAT AT A BLOCK END AND COINCIDENTALLY LOCKING THE TERMINAL FITTING TO THE CHOSEN SIDE SEAT AT THAT END, SAID BLOCK BEING FORMED BETWEEN ITS ENDS WITH ADDITIONAL FRONT SEATING MEANS, AN ADDITIONAL KNIFE BLADE CONTACT SUB-ASSEMBLY BASED ON SAID ADDITIONAL FRONT SEATING MEANS FOR ENGAGEMENT BY A SUPPLEMENTAL KNIFE BLADE CONTACT ELEMENT OF THE METER, AND SAID SUB-ASSEMBLY COMPRISING A CONTACT JAW PIECE, A TERMINAL FITTING ENGAGED THEREWITH, AND AN INSULATING PLATFORM ON WHICH THE JAW PIECE AND ITS TERMINAL FITTING ARE FASTENED.