Electric range temperature control with mandatory timer

Electric heating – Heating devices – With power supply and voltage or current regulation or...

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Details

219493, 219448, 219508, 337 11, H05B 102

Patent

active

056932456

ABSTRACT:
The disclosure relates to an integral electric range surface burner control switch user interface made up of two components. The first component, which controls the burner temperature setting, is a standard knob which is rotated to turn the burner on, as well as set the desired temperature of the particular surface burner. The second component is a timer control ring integrally mounted around the surface burner temperature control knob. The timer control ring is concentric with and has the same central axis as the surface burner temperature control knob, and is rotatable to set the desired cooking time for the particular surface burner. When the selected amount of time expires, the power to the surface burner element is automatically disconnected and the surface burner is disabled, thus requiring a resetting of the timer for further use.

REFERENCES:
patent: 3625197 (1971-12-01), Pirker
patent: 3681729 (1972-08-01), Elders
patent: 4410795 (1983-10-01), Ueda
patent: 4849595 (1989-07-01), Fowler
patent: 4897526 (1990-01-01), Anthony
patent: 5073701 (1991-12-01), Ljunggren
patent: 5134262 (1992-07-01), Lee
patent: 5455403 (1995-10-01), Kim et al.
patent: 5607611 (1997-03-01), Lee

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