Electric heating elements

Details Electric heating elements Electric heating elements

1979-11-30

1981-04-28

Grimley, Arthur T.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219 1055R, 219403, H05B 306

Patent

active

042648041

ABSTRACT:
The invention relates to support legs for bake elements used in microwave ovens of the dual-purpose cavity oven type. The improved support leg comprises a threaded stud welded to the sheath of a conventional electric heating element, the stud having a threaded portion projecting from the sheath and adapted to receive an interiorly threaded ceramic sleeve. Ceramic cement is preferably used to insure against disassembly of the sleeve from the stud. The support leg may also be designated as a support standoff since the ceramic sleeve provides electrical clearance between the metal stud and the oven liner bottom to isolate and prevent any metal-to-metal contact.

REFERENCES:
patent: 2961520 (1960-11-01), Long
patent: 2996599 (1961-08-01), Powers
patent: 3048688 (1962-08-01), Drugmand
patent: 3081392 (1963-03-01), Warner
patent: 4028519 (1977-06-01), De Weese et al.

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