Heatable turntable

Details Heatable turntable Heatable turntable

1990-06-12

1991-12-31

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

219218, H05B 386, H05B 100

Patent

active

050774603

ABSTRACT:
A heatable turntable is provided for efficiently warming and serving food. A deck is rotatably mounted on a base. Electrical current is supplied from a power supply in the deck to thermal pads located in the deck via wires connected to sliding pole pieces attached to the base and deck. Individual thermostat is provided for each thermal pad to prevent overheating when a pad is unoccupied. Each thermal pad is located within a recess in the deck such that each pad extends out of the recess to permit air to flow between the deck and an object placed on the pad, whereby efficient heat exchange is promoted. Also, each thermal pad has a heating element comprising a resistance plate sandwiched between two mica insulation plates. The heating surface of each pad can be concave shaped towards this sandwich and has a lower lip which compresses the sandwich towards the heating surface. In addition, the sandwich is biased towards the concave heating surface by a screw actuated bracket. A system of heating turntables is also provided by electrically interconnecting a plurality of turntables.

REFERENCES:
patent: 1158475 (1915-11-01), Fox
patent: 2061637 (1936-11-01), Schulz
patent: 2139153 (1938-12-01), Frolich
patent: 2236406 (1941-03-01), Ireland
patent: 2866956 (1956-08-01), Miller et al.
patent: 2897330 (1959-07-01), Hopkins
patent: 3233079 (1966-02-01), Wunderlen
patent: 3617693 (1970-06-01), Shimosawa
patent: 4034200 (1977-07-01), Visagie
patent: 4910372 (1990-03-01), Vukich

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