Distribution transformer

Claim 1

AN ELECTRICAL DISTRIBUTION TRANSFORMER COMPRISING, IN COMBINATION, A HOLLOW CYLINDRICAL METALLIC CASING OPEN AT THE UPPER END, A CUP-SHAPED METALLIC COVER HAVING A DEPENDING CIRCUMFERENTIAL FLANGE IN TELESCOPED RELATION WITH THE OPEN END OF SAID CASING AND BEING INTEGRALLY SECURED THERETO WITH A METAL-TO-METAL SEAL BETWEEN SAID FLANGE AND SAID CASING, AN INSULATING AND COOLING DIELECTRIC FLUID WITHIN SAID CASING, A CORE AND COIL ASSEMBLY INCLUDING A MAGNETIC CORE LINKED BY AN ELECTRICAL COIL IMMERSED IN SAID FLUID WITHIN SAID CASING, A LIFTING EYE INTEGRAL WITH SAID COVER, A LIFTING MEMBER INTEGRALLY SECURED AT ITS UPPER END TO SAID EYE AND TO SAID COVER AND AT ITS LOWER END TO SAID CORE AND COIL ASSEMBLY FOR INTEGRALLY SUSPENDING SAID CORE AND COIL ASSEMBLY FROM SAID COVER, SAID EYE PERMITTING LIFTING OF SAID TRANSFORMER AND ALSO PERMITTING UNTANKING OF SAID CORE AND COIL ASSEMBLY FROM SAID CASING PRIOR TO INTEGRALLY SECURING SAID COVER TO SAID CASING, PRIMARY INSULATING BUSHINGS EACH HAVING ELECTRICAL CONDUCTOR EXTENDING THERETHROUGH PROTRUDING IN SPACED APART RELATION THROUGH THE UPPER WALL OF SAID COVER AND BEING INTEGRALLY SECURED IN FLUID-TIGHT RELATION TO SAID COVER, SECONDARY INSULATING BUSHINGS EACH HAVING AN ELECTRICAL CONDUCTOR EXTENDING THERETHROUGH PROTRUDING IN SPACED APART RELATION THROUGH SAID CIRCUMFERENTIAL COVER FLANGE AND BEING INTEGRALLY SECURED IN FLUID-TIGHT RELATION THERETO, AND ELECTRICAL LEADS FROM SAID COIL EACH OF WHICH IS INTEGRALLY AFFIXED TO SAID ELECTRICAL CONDUCTOR OF ONE OF SAID BUSHINGS, WHEREBY IT IS UNNECESSARY TO BREAK THE SEAL OF SAID TRANSFORMER IN USE AND THE DANGER OF THE TRANSFORMER BREATHING IS MINIMIZED.