Electric curling iron

Details Electric curling iron Electric curling iron

H - Electricity

05

B

309/8

H05B 1/02 (2006.01) A45D 1/04 (2006.01) A45D 1/28 (2006.01) G01P 13/00 (2006.01) G05D 23/275 (2006.01)

Patent

CA 1265834

ABSTRACT OF THE DISCLOSURE A dual temperature curling iron has a plastic handle and a metal barrel connected thereto. An electric heater positioned within the metal barrel and is arranged to rapidly heat the barrel and is selectively controlled by either a low temperature thermostat or a high temperature thermostat located within the barrel to provide heat to the metal barrel. A hair clamp is pivotally mounted on the metal barrel, and when opened, causes a switch to generate an in-use signal which is fed to a safety timing circuit. The timing circuit is reset each time it receives the in-use signal. In the event that no further in-use signals are received, the timing circuit, after a preselected interval, provides a signal to a silicon controlled rectifier which is connected to the electric heater causing the silicon controlled rectifier to interrupt electric power to the electric heater. The curling iron is provided with a visual signal for indicating that it has reached the selected temperature and is ready for use.

521722

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