Shielding enclosure for electrical equipment

Claim 1

AN ENCLOSURE SHIELDED AGAINST RADIO FREQUENCY INTERFERENCE, COMPRISING: ELECTRICALLY CONDUCTIVE WALLS DEFINING AN INTERIOR SPACE AND AN OPENING IN SAID WALLS DEFINED BY A CONTINUOUS LIP; A DOOR MOUNTED ON SAID WALLS AND MOVABLE TO A LOCKED POSITION CLOSING OFF SAID OPENING, SAID DOOR HAVING A CONTINUOUS LIP WITH A CONFIGURATION SUBSTANTIALLY PARALLELING THAT OF THE OPENING LIP, SAID OPENING AND DOOR LIPS BEING ADAPTED TO BE MOVED INTO CONTINUOUS CONTACT THEREALONG; AND RESILIENT ELECTRICALLY CONDUCTIVE MEANS INTERPOSED BETWEEN SAID LIPS EFFECTIVE TO SERVE AS A GASKET; AND A RADIO FREQUENCY INTERFERENCE SHIELD ABOUT SAID OPENING WHEN SAID DOOR IS LOCKED, SAID CONDUCTIVE SEALING MEANS BEING PARTICULARLY CHARACTERIZED BY A FLOATING FRAME HAVING A CONFIGURATION SUBSTANTIALLY PARALLELING EACH OF SAID LIPS AND BEING MOUNTED UPON SAID ENCLOSURE FOR MOVEMENT RELATIVE TO OR FROM EACH OF SAID LIPS, SAID FRAME CARRYING RESILIENT CONDUCTIVE GASKETS AT OPPOSITE SIDES THEREOF AND BEING SPACED APART A DIMENSION GREATER THAN THE WIDTH OF EACH OF SAID GASKETS.