Microwave oven quartz lamp heaters

Claim 1

A microwave oven comprising: means for generating microwaves; a cavity having at least three walls, a floor and a roof; means for guiding said microwaves to said cavity; a first metallic knob means mounted on a wall of said cavity in a portion of said cavity where said microwaves are unobstructed by a microwave shield; a second metallic knob means mounted in said cavity in a portion of said cavity where said mircowaves are unobstructed by a microwave shield; an elongated quartz tube having two ends; a pair of ceramic endcaps mounted one each on the ends of said quartz tube; a pair of rivet means having an exterior end and an interior end mounted one each in said endcaps; the exterior end of each rivet means having a flared shape, the interior end of each rivet means having means for attachment of a metallic resistance element thereto; an unshielded spiral metallic resistance element extending between the two rivet means inside said quartz tube and attached thereto; one each of the flared ends of said rivet means removably and rotatably mounted on respective of said knob means; power supply lead means for conducting electric current from the exterior of said cavity through a cavity wall to said first metallic knob means; means for electically insulating said power supply lead means from said cavity wall; and quarterwave choke means mounted on the exterior of said cavity and about said conductor and adapted to choke the exit of microwaves from said cavity through said power supply lead means.