Patent ID: 6150640
Filing Date: 2000-11-21
Classification: H05B

Abstract:
A temperature controller used for electric cooking appliances, said temperature controller being fixed on an outer surface of an inner cooking pan, said temperature controller comprising:a movable activating button on an outer surface of an electric cooking appliance,a heat transformer,a fixed contact point,a plate spring having a movable contact point fixed on its free end,a shaft provided at one side of said plate spring, a temperature of said inner cooking pan depending on a distance between said plate spring and an outer end of said shaft, said outer end of said shaft is rotated to move an inner end of said shaft forward or backward through a range of motion, a direction of motion of said outer end of said shaft depending on a direction of rotation; and wherein,said temperature controller includes a gear fixed on said outer end of said shaft, andsaid activating button comprises a connect member extending into said electric cooking appliance and a base attached at an inner end of said connect member, said base includes a lengthwise rack, said lengthwise rack having a length at least equal to a linear distance of rotation of said gear required to move said second end of said shaft through said range of motion,said activating button being moved from side to side to cause said rack to move to rotate said gear and in turn said shaft to set a temperature desired for said electric cooking appliance.