Mar. 20, 1923. _
F. M. KILLEN.
CURLING IRON.'
FILED 0cT.6. 1922.
QM.
1,449,288. '
Patented Mar. 20, 1923.
1,449,288>
UNITED STATES PATENT OFFICE.
FRANK M. KILLEN, 0F ASHEVILLE, NORTH CAROLINA, ASSIGNOR OF ONE-HALF TO
EDWIN W. GROVE, OF ASHEVILLE, NORTH CAROLINA.
CURLING IRON.
Application ñled October 6, 1922.y Serial No. 592,746.”
To all whom ¿t may concern.“
'
ing made of non-heat conductive substance.
Be it known that I, FRANK M. KILLEN, The
barrel 1 is hollow from its inner end
a citizen of the United States, residing at to a point adjacent its outer end and houses
at Asheville, in the county of Buncombe the metallic heating element 3 which is of
5 and State of North Carolina, have invented well known construction and consists of a
new and useful Improvements in Curling high resistance wire riveted between heat
Irons, of which the following is a specili
dilfusing elements 4 and 5 which contact
frictionally with the inner wall of the me
This invention relates to curling irons tallic
barrel. The outer end of the heating
and has for its principal object the pro element
is electrically connected to metal
60
cation.
10
vision of means associated with a curling
' iron of the self-heated ty e for indicating
' the temperature of the cur ing iron when in
use, to the end that the operator of the iron
l5 may be in a position to know the tempera
20
65
licl clips 6 and 7 one of which makes elec
trical contact with a pin 8 conductively
associated with an annular terminal 9 the
other being insulated from the pin 8 but
conductively related to the annular terminal
ture thereof at all times and to guard 10 which surrounds the pin 8 and is in
against permitting it to become so hot as sulated therefrom‘ by means of the insula
to be injurious to the hair. y
tion sleeve 11. The pin 8 passes through
A more speciñc object of the invention is a pair of insulating washers 12 and is se
the provision of a temperature indicating cured thereto by means of the nut 13. The
device in association'with a self-heated curl clips 6 and 7 are screwed to the insulating
ing iron, so constructed as to remain up blocks 14 and 15 which are riveted together
right and constantly in view throughout the and tothe end of the heating element. The
rotary movement of the curling iron when Washers
12 areheld rigidly to the insulat
75
25 winding a curl.
blocks 14 and 15 by means of the an 80
Still another object of the invention is to ing
nu ar end 16 of the clip 7 which passes
provide a weighted device journally mount through a slot in said washers and engages
ed upon .a curling iron and carrying a ther the outer surface thereof.
mometer, one end of which is retained in
the curling iron the bar
heat exchanging relation with the barrel of relInis assembling
slipped
into
the bore in the upper 85
said curling iron while the other?end is end of the handle 2 and
passed therethrough
l carried upright by the weig ted device, until the flange 17 at the
end of said
throughout the rotary movement of said barrel engages the bottomouter
of
the
counter
curling iron.
bore 18 in the outer end of saidA handle.
35
With the above and other objects in_view, When the parts are in this position the
my invention consists in `the improved curl electrical
9 and 10 are housed
ing iron illustrated in the accompanying within saidterminals
counter-bore
there being a space
drawings, described in the following speci surrounding them su?licient
permit the
?ication, and particularly claimed, and in insertion of the plug 19. Thisto plug
is con
40
such variations and `modifications thereof as structed vinwardly with a pair of insulated
will be obvious ,to those skilled in the art contact shoes 2O and 21 which are adapted
to which my invention relates.
frictionally engage the terminals 9 and
In the drawings accompanying and form to
10.
connections from the con
ing a part of this specification, and where tacts Electrical
2O
and
‘21
through the outer
4
in the preferred embodiment of my inven end of. the plug, extend
in the cord 22 and are 100
tion is illustrated :
adapted to be connected to an ordinary elec
Figure 1 is a side elevation partly in sec tric
~light socket. Due to the annular form
tion of a curling iron constructed after the of the
terminals 9 and 10 the plug 19 is
manner
of
my
improved
invention..
swivelly
with respect to the curl
50
.Figure 2 is a cross section taken along ing iron mounted
so that the latter may be turned 105
the line 2_2 of VFigure _1.
when winding a curl without twisting the
Referring now' in detail to the several cord
22.
f
'
figures the numeral 1 represents the metal
The outer end of the barrel 1 is provid
lic barrel or body of the curling iron which
55 is provided with the handle 2, the latter be ed .with a. cap screw 23 having a bore 24
arranged axially of its head in which the 110
'
1,449,288
combination a curling iron compris
spring clip 25 is adapted to be inserted. ingÁi. alnheated
barrel and a temperature indi
rl`his clip is detachably held in place by a cating devicerotatably
mounted on said bar
set screw 26 entering the bore 24 through
Cn
rel and being weighted on one side to main
the side of the head of the cap screw. rll`he tain an upright position when said barrel
outer end of the spring clip
makes re
70
silient contact with the barrel of the curl is 5.rotated.
In combination a curling iron compris
ing iron and is for the purpose of holding ing a barrel, a temperature indicating de
vice rotatably mounted With respect to said
ing wound upon the curling iron by ro barrel and being Weighted on one side to
tating the latter.
an upright position When said bar 75
Journally mounted upon the barrel l ad maintain
rel
is
rotated,
temperature indicating
jacent the handle 2 is a cylindrical casing 2T device having asaid
portion
thereof arranged in
internally hollowed to form a chamber ‘28. heat exchanging relationship with said bar
The portion of the barrel l of the curling
e
iron which passes through this chamber is rel.6. ln combination a curling iron having
80
provided with a plurality of radial aper a heated barrel, a temperature indicating
tures '.29 opening into the barrel l so that the device comprising a casing journalled upon
heat from the heating element 3 may be di said barrel eccentrically of its center of mass
rectly radiated into the chamber 28. A and enclosing a heat conserving chamber ad
thermometer 30 passes. through an aperture jacent said barrel and a thermometer mount 85
3l in the wall of the casing 27, the bulb of ed upon said casing with the bulb thereof
which lies adjacent the barrel 1 close to the within said heat conserving chamber. v
apertures Q9; By being so disposed the
7. ln combination a curling iron having
thermometer renders an accurate indication a heated barrel, a temperature indicating de
of the temperature of the barrel of the curl vice comprising a casing journalled upon 90
ing iron. rll'he loiver side of the casing 2T is said barrel eccentrically of its center of mass
weighted by means of the imbedded weight and enclosing a heat conserving chamber ad
32 so that said casing remains stationary
barrel, and a thermometer
while the curling iron is being rotated, the jacent said
upon said'casing and projecting
thermometer 30 being thereby maintained mounted
from the lighter side thereof, the bulb of 95
in an upright position where it is constantly said
thermometer being Within said heat
in view. The exposed part of the thermom conserving
chamber.
eter is preferably enclosed in a metallic cage
8. In combination a curling iron compris
33 to protect it from the risk of breakage. ing a heated barrel, a temperature indicat- . Endwise movement of the casing 27 along ing device rotatably mounted on said barrel 100
the barrel l is prevented by means of the and being weighted on one side to maintain
collar 34 which is secured to the barrel l ad an upright position when said barrel is ro
jacent the casing 27 by means of the set tated and a curl engaging clip secured to the
screw 35.
end of said barrel.
While the temperature indicating device outer
9; In combination a curling iron compris 105
in the preferred embodiment here shown is ing a heated barrel, a temperature indicat
associated with a curling iron Which in itself ing device rotatably mounted on said barrel
presents Some novel features, its use is not and being weighted on one side to retain an
limited to this type of iron, but, by virtue 4upright position when said barrel is rotated,
' of its detachable character, it is adapted to an electric element for heating said barrel, 110
be used as an accessory to any of the ordi a swivel connector conductively related to
nary forms of curling iron.
heating element‘and a curl engaging
Having described my invention what l said
clip
secured
to said barrel.
claim as new and desire to secure by Let
the end of the lock of hair while it is be
10. ln combination a curling iron com
C,
i
C
ters Patent, is :_
a heated barrel provided With a lon
l. ln combination a curling iron and a prising
gitudinal
chamber, heating elements Within
temperature indicating device relatively Said chamber,
a temperature indicating de
movable thereto.
vice comprising a casingïjournalled upon
‘2. ln combination a curling iron compris said
barrel eccentrically of its center of mass
ing a rotatable barrel and a temperature in and enclosing a heat conserving chamber ad
dicating device associated with said barrel jacent said barrel, a thermometer mounted
and maintaining an upright position rela upon said casing and having the bulb the-re
tive thereto.
~
of in said heat conserving chamber and an
f3. ln combination a curling iron compris aperture communicating with said heat con
ing a heated barrel, a temperature indicat serving chamber and With thev chamber in
ing device rotatably mounted upon Said bar
rel an‘d having a portion thereof arranged
in heat exchanging relationship to said bar
rel.
said barrel.
n
ln testimony whereof l affix my signature.
rnaivic M. Kitten.
115
120
125