Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1998-12-14
2000-02-22
Jeffery, John A.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219505, 219541, 338326, 338 22R, H05B 300
Patent
active
060282959
ABSTRACT:
An improved mounting apparatus for the attachment of a filament heater between electric conduction plates of a space heater device comprises a first electric conduction plate, a second electric conduction plate, a plurality of filament heaters positioned between the electric conduction plates, a plurality of electric conduction rings positioned on opposite sides of each of the filament heaters, and a seat having a receiving trough for receiving the electric conduction plates and the filament heaters therein. Each of the electric conduction plates includes a suitable mounting hole therein. An elastic pressing piece extends around the mounting holes so as to exert a compressing force upon the respective electric conduction rings on the filament heaters. The seat includes suitable pillars that can receive screws so as to secure the electric conduction plates and the filament heaters within the seat.
REFERENCES:
patent: 4180723 (1979-12-01), Szupillo
patent: 4899032 (1990-02-01), Schwarzl et al.
patent: 5125070 (1992-06-01), Chung-Tai
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