Cart

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1991-07-17

1992-09-08

Walberg, Teresa J.

Electric heating

Heating devices

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

219521, F27D 1102

Patent

active

051460653

ABSTRACT:
An electricity supply device, connected to an electric contact of a heater on a tray, is disposed on the side wall at the upper part of a support member which supports and guides a tray and which is formed on the side wall of a receiving chamber. The electricity supply device has a) a conductive plate spring placed in pressure contact with an electric contact of a heater and b) a conductive pin connected to a power source and is embedded into a plastic mold. The plastic mold is disposed into a casing which is mounted to the side wall of the receiving chamber to secure an insulating property. The plate spring makes positive contact with a contact of the heater.

REFERENCES:
patent: 3908749 (1975-09-01), Williams
patent: 3924100 (1975-12-01), Mack
patent: 4019022 (1977-04-01), Seider
patent: 4103736 (1978-08-01), Colato
patent: 4167983 (1978-09-01), Seider
patent: 4285391 (1981-08-01), Bourner
patent: 4584466 (1986-04-01), de Mola
patent: 5003159 (1991-03-01), Thorson

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