Electric heaters

Claim 1

A SURFACE TYPE ELECTRIC HEATER ASSEMBLY FOR A RANGE TOP, COMPRISING A DIELECTRIC TERMINAL BLOCK FIXED BENEATH SAID RANGE TOP AND ADJACENT TO THE DEFINING SURFACE OF AN OPENING IN SAID RANGE TOP, SAID TERMINAL BLOCK HAVING AN ELONGATED RECESS OPENING IN A DIRECTION TOWARD THE RANGE TOP OPENING AND SAID RECESS BEING NON-CIRCULAR IN CROSSSECTION, A SHEET-METAL CONTACT MEMBER MOVABLE LONGITUDINALLY WITHIN SAID RECESS AND HAVING ONE END DIRECTED TOWARD THE RECESS OPENING BENT TRANSVERSELY TO FORM A HEAD WHICH SLIDABLY ENGAGES SPACED SIDE WALLS OF SAID RECESS TO HOLD SAID CONTACT MEMBER AGAINST ROTATION, AND SAID CONTACT MEMBER HAVING ITS OPPOSITE END SLIDABLY PROJECTING THROUGH A SLOT IN THE BOTTOM WALL OF SAID RECESS, A COIL SPRING DISPOSED ABOUT SAID CONTACT MEMBER AND HAVING ONE END BEARING AGAINST THE INTERIOR OF SAID BOTTOM WALL AND ITS OPPOSITE END BEARING AGAINST SAID HEAD, AND AN ELECTRIC HEATING ELEMENT SUPPORTED BY SAID RANGE TOP AND NORMALLY DISPOSED WITHIN THE RANGE TOP OPENING, SAID HEATING ELEMENT HAVING A TERMINAL PORTION PROJECTING THROUGH THE OPENING OF SAID ELONGATED RECESS AND REMOVABLY FITTING WITHIN THE LATTER IN ENGAGEMENT WITH SAID CONTACT MEMBER.