Electric immersion heater assembly

Claim 1

AN ELECTRIC IMMERSION HEATER CONNECTED TO AND FOR HEATING SUBSTANCE WITHIN A METALLIC VESSEL, SAID HEATER COMPRISING AN ELECTRIC HEATING ELEMENT OF THE METAL SHEATHED TYPE HAVING ITS ACTIVE HEATING PORTION EXTENDING THROUGH AN OPENING IN THE WALL OF SAID VESSEL AND INTO THE LATTER AND HAVING ITS TERMINAL PORTION DISPOSED EXTERIORLY OF SAID VESSEL, A METALLIC MOUNTING MEMBER EXTENDING TRANSVERSELY OF AND MECHANICALLY AND ELECTRICALLY CONNECTED TO THE METALLIC SHEATH OF THE TERMINAL PORTION OF SAID HEATING ELEMENT, SAID MOUNTING MEMBER SUPPORTING SAID HEATING ELEMENT AND HAVING ONE SIDE DIRECTED TOWARD THE VESSEL WALL, GASKET MEANS INTERPOSED BETWEEN SAID ONE SIDE AND THE VESSEL WALL AROUND THE OPENING IN THE LATTER TO SEAL SAID OPENING AND TO ELECTRICALLY INSULATE SAID MOUNTING MEMBER FROM SAID VESSEL, A DIELECTRIC TERMINAL BLOCK SECURED TO SAID MOUNTING MEMBER AND EXTENDING FROM THE OPPOSITE SIDE THEREOF, SAID BLOCK BEING OF LESS TRANSVERSE SIZE THAN SAID MOUNTING MEMBER TO LEAVE MARGINAL PORTIONS OF SAID OPPOSITE SIDE EXPOSED, A METALLIC BRACKET HAVING AN OPENING TO PASS SAID TERMINAL BLOCK AND OVERLYING SUBSTANTIALLY THE ENTIRE EXPOSED MARGINAL PORTIONS OF SAID OPPOSITE SIDE AND HAVING AT LEAST A PORTION EXTENDING LATERALLY A SUBSTANTIALLY DISTANCE BEYOND AN