Electric heating – Heating devices – Tool or instrument
Reexamination Certificate
2000-06-12
2001-06-19
Jeffrey, John A. (Department: 3742)
Electric heating
Heating devices
Tool or instrument
C219S385000, C219S220000, C219S242000, C132S229000, C392S418000
Reexamination Certificate
active
06248979
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a system for heating haircurling rollers. Hair-curling roller heating systems having a plurality of hair curling rollers mounted on post members that conduct heat to the rollers are well known in the prior art. The rollers in a particular system might be of several different types; smaller and larger diameters, more or fewer bristles, longer or shorter bristles, etc.
Typically in such systems the high temperature of the rollers can only be realized by touching them. There is typically no visual indicator at the rollers themselves to alert the user that the system is energized and producing heat. The use of an indicator lamp has been tried to provide an indication that the system is energized and hot, but such an indicator, separate from the rollers themselves, has proven ineffective in preventing users from improperly handling hot rollers and burning themselves. This is a drawback common among prior art hair-curling roller heating systems.
Also typically, in such systems, the rollers of various types can be difficult to differentiate at a glance. The user must generally remove a hot roller to examine it closely in order to know what type it is. This is another drawback common among prior art hair-curling roller heating systems.
OBJECTS OF THE INVENTION
An object of the present invention is to provide an improved hair-curling roller heating system.
Another object of the present invention is to provide such a system in which the rollers are illuminated when the system is energized to warn the user that the system is energized and the rollers are likely to be hot.
A further object of the invention is to provide the rollers with translucent ends that glow in various colors to differentiate one roller type from another at a glance.
A further object of the present invention is to provide such a system wherein the source of illuminating the rollers is combined with the heating source.
A further object of the present invention is to provide such a system wherein the source of illuminating the rollers and the source of heating the rollers is a single source.
SUMMARY OF THE INVENTION
The hair-curling roller heating system in accordance with the present invention includes a plurality of rollers and a housing having a lid. The housing includes a plurality of hollow posts on which the rollers are removably mounted for heating.
The housing further includes heating means, which comprise both a resistive heating plate and a halogen bulb. The bulb emits both visible light and radiant heat in the form of infrared radiation. The visible light glows through the open top ends of the posts.
The rollers are adapted with colored translucent upper tips to allow the light from the posts to glow through. The tips of each roller type share a common color, but rollers of different types, say for instance different diameters or different bristle densities, may be made of different colors.
When the rollers are mounted on the posts and the system is energized, the roller tips glow in various colors according to their type, even though the rollers are not themselves electrically energized. The user can immediately ascertain that the system is energized and the rollers are likely hot just by glancing at the rollers. The user can instantly recognize the type of each roller without the need to remove and examine them.
REFERENCES:
patent: 3519793 (1970-07-01), Solomon
patent: 3600552 (1971-08-01), Tolmie
patent: 3610878 (1971-10-01), Thomas et al.
patent: 5117090 (1992-05-01), Askins
patent: 5606983 (1997-03-01), Monty et al.
Helen of Troy L.P.
Jarcho Harold G.
Jeffrey John A.
Toupal John E.
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