Dual protected instant temperature detector

Details Dual protected instant temperature detector Dual protected instant temperature detector

1999-01-06

2001-02-27

Bennett, G. Bradley (Department: 2859)

Thermal measuring and testing

Housing, support, or adjunct

Reexamination Certificate

active

06193414

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to the field of beautician accessories and aids, and more particularly to a novel temperature sensing cradle for supporting heated curling iron, which includes a thermocouple sensing element as well as a visual temperature read-out display.
2. Brief Description of the Prior Art
In the past, it has been the conventional practice for a beautician to employ a heating curling iron for supplying heat to a customer's hair in order to provide a particular hairdo or coiffure. In this procedure, the curling iron must be of a particular temperature or certainly within a temperature rang in order to be effective. Should the curling iron be of a more elevated temperature, the iron becomes dangerous in the event that the iron touches the scalp or skin of the customer. Damage to the scalp, skin or other injury may result.
Attempts have been made to determine the suitable temperature of the curling iron which generally embraces primitive methods such as momentarily touching the iron or placing a small amount of water on the iron to check evaporation. These methods may provide some intuitive knowledge concerning the temperature of the curling iron but they certainly do not avoid problems dealing with overheated irons.
Therefore, a long-standing need has existed to provide a means for checking the temperature of the curling iron and to support the curling iron in a heated condition so that it will be ready for use by the beautician.
SUMMARY OF THE INVENTION
The above problems and difficulties are avoided by the present invention which provides a novel temperature detector for a curling iron which resides in providing a base for supporting a stand which includes a cradle having an elongated open channel for supporting a heated curling iron. The cradle is resiliently carried on a post so that the cradle can move up and down over the terminating end of the post. The terminating end of the post includes a thermocouple which projects into and through an orifice in the cradle when the cradle is in the depressed or down position. Thus, the temperature of the heating iron residing in the cavity of the cradle can be sensed by the thermocouple. Additionally, the base includes support for a visual read-out display of the temperature sensed by the thermocouple and circuit means interconnects the display with the thermocouple. Furthermore, the thermocouple is protected from destruction or damage by the curling iron in the cradle by providing a resilient mount for the thermocouple within the post.
Therefore, it is among the primary objects of the present invention to provide a novel heat protection and sensing means for a curling iron which takes the form of a cradle and thermocouple arrangement with a digital read-out to display temperature readings.
Another object of the present invention is to provide a novel cradle for supporting a heated curling iron which includes means for sensing the temperature of the curling iron and which is protected from damage by the weight of the curling iron coming into contact with the temperature sensing device.
Still a further object of the present invention is to provide a novel temperature sensing and read-out device for determining the temperature of a hair curling iron which does not damage the sensing element or the iron itself.


REFERENCES:
patent: 3364078 (1968-01-01), Ekstrom, Jr. et al.
patent: 4416553 (1983-11-01), Huebscher
patent: 4444990 (1984-04-01), Villar
patent: 4762428 (1988-08-01), Villiger
patent: 4762979 (1988-08-01), Geoffroi
patent: 5527111 (1996-06-01), Lysen et al.
patent: 5749379 (1998-05-01), Stillwagon et al.
patent: 5794799 (1998-08-01), Collins et al.

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