Shield

Claim 1

IN A TELEVISION RECEIVER INCLUDING (1) A CATHODE RAY TUBE AND (2) A TRANSFORMER HAVING A HIGH VOLTAGE WINDING, AND A HIGH VOLTAGE OUTPUT TERMINAL COMPRISING A FEMALE CONNECTOR MOUNTED ON THE PERIPHERY OF SAID WINDING AND DIMENSIONED TO PERMIT ELECTRICAL CONTACT-ESTABLISHING RECEPTION OF A RECTIFIER TUBE ANODE CAP THEREIN, SAID RECEIVER FURTHER INCLUDING (3) MEANS, COMPRISING (A) A HIGH VOLTAGE RECTIFIER TUBE HAVING A CATHODE ELECTRODE CONNECTED TO A PIN IN THE BASE THEREOF AND AN ANODE ELECTRODE CONNECTED TO A CONDUCTIVE CAP AT THE END OF SAID TUBE REMOTE FROM SAID BASE, (B) A RECTIFIER TUBE SOCKET HAVING A SLEEVE FOR RECEIVING SAID CATHODE BASE PIN, AND (C) A HIGH VOLTAGE LEAD CONNECTED TO SAID CATHODE BASE PIN RECEIVING SLEEVE, FOR DELIVERING AN ACCELERATING VOLTAGE TO SAID CATHODE-RAY TUBE WHEN SAID TRANSFORMER IS ENERGIZED AND CONTACT IS ESTABLISHED BETWEEN SAID ANODE CAP AND SAID TRANSFORMER OUTPUT TERMINAL, AND (4) A SHIELDING ARRANGEMENT FOR SAID TRANSFORMER; THE IMPROVEMENT WHEREIN SAID SHIELDING ARRANGEMENT COMPRISES THE COMBINATION OF: A FIRST SHIELD MEMBER PARTIALLY ENCLOSING SAID TRANSFORMER BUT HAVING AN OPENING PROVIDING ACCESS TO SAID TRANSFORMER; A SECOND SHIELD MEMBER SERVING AS BOTH AN ADJUSTABLE CLOSURE FOR THE OPENING IN SAID FIRST SHIELD MEMBER AND AS A SUPPORT FOR SAID RECTIFIER TUBE SOCKET, AND BEING DIMENSIONED SUCH THAT, WHEN SAID SECOND SHIELD MEMBER IS IN A POSITION SUBSTANTIALLY FULLY CLOSING SAID OPENING IN SAID FIRST SHIELD MEMBER, THE ANODE CAP OF A RECTIFIER TUBE MOUNTED IN SAID SOCKET IS RECEIVED IN SAID TRANSFORMER OUTPUT TERMINAL IN ELECTRICAL CONTACT-ESTABLISHING RELATIONSHIP; SAID FIRST AND SECOND SHIELD MEMBERS BEING PROVIDED WITH MECHANICALLY COOPERATING MEANS FOR PERMITTING RESTRICTED MOVEMENTS OF SAID SECOND SHIELD MEMBER RELATIVE TO SAID FIRST SHIELD MEMBER, SAID RESTRICTED MOVEMENTS INCLUDING (A) A SLIDING MOTION OF SAID SECOND SHIELD MEMBER RELATIVE TO SAID FIRST SHIELD MEMBER PERMITTING ADJUSTMENT OF SAID CLOSURE BETWEEN SAID POSITION SUBSTANTIALLY FULLY CLOSING SAID OPENING AND A PARTIALLY CLOSING POSITION WHEREAT SAID ANODE CAP IS DISENGAGED FROM SAID TRANSFORMER OUTPUT TERMINAL AND ELECTRICAL CONTACT THEREBETWEEN IS BROKEN, AND (B) A ROTATING MOTION OF SAID SECOND SHIELD MEMBER RELATIVE TO SAID FIRST SHIELD MEMBER PERMITTING ADJUSTMENT OF SAID CLOSURE BETWEEN SAID PARTIALLY CLOSING POSITION AND A SUBSTANTIALLY FULLY OPEN POSITION PROVIDING ACCESS TO SAID TRANSFORMER AND SAID RECEIFIER TUBE SOCKET FROM THE EXTERIOR OF SAID FIRST SHIELD MEMBER.