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Патент USA US2383421

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Aug. 21, 1945.
M_ l, SCHULTZ
2,383,421
ULTRA-VIOLET RAY APPLICATOR
Filed Aug. 7, 1944
2 Sheets-Sheet l
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ULTRA-VIOLET RAY APPLICATOR
Filed Aug. '7, 1944
2 Sheets-Sheet 2
INVENTOR
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BY
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ATTORNEY
Patented Aug. 2l, 1945
2,383,421
UNITED STATES PATENT OFFICE
2,383,421
ULTRAVIOLET RAY APPLICATOR
_
Maxwell I. Schultz, Scarsdale, N. Y.
vApplication August 7, 1944, Serial No. 548,409
8 Claims. ('Cl. 12S-395)
Fig. 5 is a perspective view of one of the ultra
This invention is directed to shaving and spe
cifically is concerned with a dry shaver. It is
well recognized that a dry shaver does not pro
violet lamp holding snap contact clips.
vide a shave as close as a blade razor, hence
the line 6--6 of Fig. 1.
leaving undesirable residual stubble. Generally
following _shaving the skin appears lighter.
Fig. 6 is a sectional view of the wire cable on
DI
Hence from a standpoint of appearance, the
residual stubble is emphasized, that is, stands
out by contrast. Moreover where a blade razor
is utilized, the face is generally washed, thus
washing away the germs. In‘the use of a dry
shaver, the germs remain on the face as washing
of the latter is not generally resorted to. Also
it is generally stated that few flesh cuts take
place in the use of a dry shaver, nevertheless
there are some instances where nicks of the flesh,
although at times microscopic, do occur and in
that event the user of the dry shaver is more
susceptible to infection in that the germs arenot
washed off. One object of the invention is to 20
make possible from the standpoint of appearance
the achievement of results in the use of a dry
shaver according to the invention to compare
'
,
Fig. 7 is a front-view of the four way prong
receptor.
.
Fig. 8 is a sectional view on the line @-8 of
Fig. 1.
»
'
Fig. 9 is a schematic view of the Wiring be
tween the removable dry shaver plug and the
receptor plug.
'
Fig. 10 'is a side broken view, partly in section
of another embodiment according to the inven~
tion.
Fig. l1 is an inside view of the removable re
flector and tube holding panel or support shown
in Fig. 10.
Fig. 12 is a perspective view of Fig. 10 however
with the reflectorv and lamp holding panel re
moved, and
,
Fig. 13 is a perspective view of the removable
tube and reflector holding panel or support.
As previously stated, in dry shaving while most
of the stubble is taken off a, certain residual stub
ble remains. The skin where shaved appears
favorably with the result realized by blade shav
ing. Another object is to provide means in a
lighter, consequently sharply contrasting with
dry shaver for sterilizing the face during the
the
residual stubble. In accordance with the in
course of shaving. A further object is realized in
vention, ultraviolet light is directed and focused
spraying the surface to be shaved in the course
on the skin during shaving. Ultraviolet light as
of shaving with therapeutic light rays and by
such rays concomitantly coloring and toning up 30 is well known has a noticeable bleaching effect
on the color of human hair and therefore a
the shaved surface. Still another object resides
bleaching effect on the residual stubble is ob
in the provision of an adjustable reflector for
tained. At the same time the face of the shaver
regulating the volume of the therapeutic light
is darkened. Hence the residual stubble becomes
rays to be directed on the face during shaving
lighter while the face of the shaver becomes
and for completely screening such light rays if
darker. By this action from the standpoint of
so desired by the user. Other objects, features,
appearance the residual stubble does not stand
and functional and structural advantages of the
out. And obviously it is desirable that the re
invention will appear from the following detailed
sidual stubble does not show. Thus by subject
description taken with the accompanying draw 40 ing the surface to be shaved to the dry shaver
ings wherein:
according to the invention three mutually coact
Fig. l is a front view of the dry shaver accord
ing and dominant features take place simultane
ing to the invention, shown partly broken away
ously, to wit; one, the major portion of the stub
for purposes of clearness and also illustrating a
ble is removed; two, the residual stubble is
conventional high frequency vacuum tube oscil 45 bleached; and three, the skin or background of
lator adapted to be employed in connection there
the residual stubble is‘darkened all to the com
with.
mon end that in appearance the dry shave ob
Fig. 2 is a side view of the dry shaver illustrated
tained approximates and compares favorably to
in Fig. 1.
the appearance that could be obtained by wet
Fig. 3 is an enlarged fragmentary view of Fig. 2, 50 shaving. Thus by the method of shaving in ac
illustrating the adjustable reflector in positionI
cordance with the present invention, an addi
to completely shut off the light rays from the
tional advantage is provided, namely, the sur~lamp.
face shaved is sterilized where subjected to
Fig. 4 is a fragmentary front view of the dry
therapeutic rays, thus promoting healing.
55
shaver.
In accordance with the invention a very small
2
2,393,421 r
ultraviolet lamp L is utilized and of the type
requiring a high frequency source. of current.
The generator for this source of high frequency.
current is preferably a separate entity from the
through cable 83 and ultimately the vacuum tubes
are energized. These wires however are also con
nected to the lamp circuit and to the motor cir
cuit. Thus current for the motor circuit is trans
dry shaver to enable the latter to be of conven CR mitted through the wires 5IM _and 52M and high
tional size. The generator employed for this pur
frequency current is transmitted through the
wires 55 and 55. By this arrangement where
pose and as illustrated is a conventional vacuum
the plug 59 is connected to a suitable source of
tube oscillator generally denoted C. This high
house current and where plug 35 is connected to
frequency oscillator produces high frequency cur
rent as is well understood and such high fre 10 the receptor, the motor circuit is established and
activated for oscillating the cutter II of the dry
quency current is essential to the proper activa
shaver and the ultra violet lamp circuit is estab
tion of the ultraviolet ray generator or lamp L
lished and activated by the high frequency cur
removably held by the pair of snap contact clips
rent generated by the vacuum tube oscillator.
S desirably fastened to the dielectric housing or
During the course of shaving the stubble is
casing H of the dry shaver generally denoted D 15
removed by the dry shaver head. Concomitantly
which includes a vibrating arm l0 osciliated by
however the shaved portion is sprayed with ultra
a suitable motor within the housing but not shown
violet rays to produce sterilized and therapeutic
as such an expedient is conventional and its
effects at the same time bleaching the residual
operation is well understood in the art.
Specifically the vibrating arm I0 desirably os 20 stubble and coloring or toning up the skin. The
lamp L may be readily inserted into position and
cillates an inner toothed cutter II in the outer
removably held .by the yieldable and resilient con
toothed head I2 removably disposed in a suitable
tact clips S. By such arrangement the lamp, if
guide channel I3. This structure is well known.
desired may be conveniently replaced at any
However the dielectric casing H has one side
thereof provided with a bifurcated portion I5 25 time.
Pursuant to shaving the dry shaver is discon
defining a socket or bearing along one side of the
nected from the receptor R and deposited in the
casing and having the spaced parts I6 and I1
box B. Also the plug 59 is disconnected from
characterizing the arcuate concaved channel or
the house or supply current and is also deposited
cavity I8 wherein a curved light reflector R is
rotatably seated and guided. Side I6 of the bi 30 in box B. 'I'hereafter the cover 65 is swung closed
and both the dry shaver and vacuum tube cs
furcated portion or yoke I6 merges with the rec
cillator are safely kept together although the sup
tilinear wall I9 which serves as an aid to posi
port 66 for the oscillator is secured to the box
tion the shaving head I2 in place in the channel
B in any suitable manner.
I3.
The volume of light may be regulated by the
More particularly the pair of snap contact 35
rotatable refiector R journalled in the bifurcated
clips S are flxedly secured or moulded to the end
portion or ibearing I5. To this end the manipu
faces 20 of the channel I8. These clips are
lator M has its shank 51 frictionally but movably
electrically connected to the leads 2l and 22
guided in the arcuate slot 68 of the curved wall
(Fig. 1) of an electrical conduit 23 having its
I1 and is appropriately fastened to the rotatable
lower leads 24 and 25 electrically connected to
reflector. Thus the latter may be rotatably dts
the spaced metal sockets 26 and 21 adapted to
placed to control the width of the gap 69 or
be removably engaged by the metal prongs 28 and
in other words regulate the volume of light to
29 of cable 30 connected to plug 3I removably
associated with the lower end of the dielectric 45 be projected to the face of the shaver. If de
sired the rays may be completely shut olf by
dry shaver housing or casing H
closing gap 69 completely as illustrated in Fig.
The prongs 28 and 28 are also connected elec
3. The reflector in eil'ect is a closure that may
trically through insulated wires 82 and 33 of the
be controlled at the convenience of the user.
cable 3U to the prongs 34 and 35 of the removable
In the embodiment according to Figs. 10-13,
receptor plug 36. Wires 31 and 38 of the motor 60
circuit are connected to the motor not shown and
are also connected electrically to the fixed metal
sockets 39 and 40 adapted to be removably en
gaged by the electrically conducting prongs 4I
the curved light reñector Ris appropriately jour
nalled in the dielectric panel P and is disposed
in the oppositely arranged and complementary
- concavities 10 and 1I in the panel P and housing
or casing H, the latter having the fixed metal
and 42 of the removable plug 3|. These prongs 55 hollow bushings or sockets 12 and 13 adapted
in turn are connected to the wires 43 and 44
to be in circuit with the vacuum tube oscillator
and are electrically connected to the prongs 45
to receive high frequency current to ultimately
and 46 of the receptor plug 36.
energize the ultraviolet lamp L having its ends
The four prongs of plug 36 are removably and
removably mounted on the fixed resilient con
electrically engaged by the electrically conduct 60 tract clip S each having offset legs 14 provided
ing sockets 41, 48, 49 and 50 in the receptor R
with metal projecting pins 15 having split clamp
appropriately fastened to one side of a box B
ing ends defining resilient fingers 16 removably
containing the vacuum tube oscillator C for es-
receivable in sockets 12 and 13. The removable
tablìshing electrical contact with the wires 5IM
one piece hollow panel P embodies the inner
and 52M of the motor circuit passing through 65 channel or cut away portion CA in which the
bushing 53 and forming a part of cable 54 and
spring.l clips S are fastened. This channel is
desirably electrically connected to the sockets 41
bounded by the rim 11 comprising the curved
and 48 of the receptor R.
spaced portions 18 and the bridge 119 which are
Within the cable 54 is another pair of wires
adapted to be held closely against the upper sur
55 and 56 and these electrically extend to the 70 face 80 of the dry shaver housing when the fln
sockets 49 and 50 of the receptor R and to the
vacuum tubes for energizing the latter when the
prongs 51 and 58 of the supply plug 59 are con
nected to suitable house current.
gers 16 are in clamped relation with the
12 and 13.
With the dielectric panel P secured
the housing a light directing duct G is
Wires 6| and 62 receive house current -passing 75 by the upper margin Il of the housing
sockets
against
defined
or cas~
3
9,888,421 "
for controlling the area of said gap and for
ing' and the inner surface 82 of the web or bridge
W of the panel -P. The duct G at the base thereof
is in communication with the gap defined in the
walls of the cavities 10 and 1I. However the
reflector R may be adjusted .by the manipulator
M frictionally and movably guided in the slot 08
in the panel.
It is apparent that by the removal of the panel
directing ultraviolet rays through said gap along
said surface and to and beyond said cutting
member, and manipulator means for bodily dis
placing said shutter and reflector.
3. In a therapeutic device for sustaining a hair
cutting member and for sterilizing skin during
removal of stubble therefrom, a relatively elon
gated casing having in part converging side walls,
P from the dry shaver casing access may be con
veniently had to the lamp L for its replacement
or inspection.
one of said walls having an outer sloping surface
leading towards said cutting member and having
'
a cavity extending widthwise thereof and spaced
from but adjacent said cutting member, an ultra
With the rim 'l1 of the hollow panel P against
the dry shaverhousing and the resilient fingers
violet ray generator disposed at least in part.
in clamping relation with sockets 12 and 13, the
high frequency current and motor circuits may 15 across said cavity, a panel on the outside of said
last mentioned wall and defining with said sur
be established through the sockets l2 and 'I3
face a gap and having an upper portion spaced
in the manner disclosed in connection with the
from said surface and defining therewith a light
embodiment of Fig. l. In other aspects, the form
conducting duct leading to said cutting member,
shown in Figs. 10-13 is along the lines illustrated
in Figs. l to 7 although in each of the embodi 20 means removably sustaining said panel on said
last mentioned wall, a shutter, and means for re
ments the ultraviolet lamp may be said to be
movably projecting said shutter across said gap
adjacent the shaving head of the dry shaver.
to control the area thereof.
However the bridge or web W of the form shown
4. In a therapeutic device for sustaining a hair
in Figs. 10-13 serves as means to prevent need
less spraying of the light and characterizes a 25 cutting member and for sterilizing skin during
removal of stubble therefrom, a relatively elon- l
guard to direct a beam of light to strike the
gated casing having in part converging side walls,
face. And of course in each of the embodiments
one of said walls having an outer sloping surface
disclosed, the reflector may be adjusted to con
leading towards said cutting member and having
trol the amount of light desired or to completely
30 a. cavity extending widthwise thereof and spaced
shut off or screen such light.
from but adjacent said cutting member, an ultra
violet generator disposed at least in part across
In addition to controlling or ` regulating the
spray of light rays the adjustable reflector R.
said cavity, a panel having bearing means defin
ing with said surface a gap and having an upper
also serves to direct the light rays from the lamp
to travel along an upper side face as i9 or 8i and
thus adjacent the stubble cutting means, char
35 portion spaced from said surface and defining
therewith a light conducting duct leading to said
acterized by the inner and outer toothed mem
bers l2 and i3 and the lamp L may be if desired
appreciably smaller in cross section and disposed
in the bearing means rotatably sustaining the
reñector.
`
cutting member, a shutter rotatably sustained by
said bearing means for controlling the area of
said gap, manipulator means for adjusting said
40 shutter, and means for removably holding said
Various changes may be made in the details
of construction and arrangement of parts with~
out departing from the spirit of the invention or
sacrificing any of the advantages therein.
45
I claim:
1. In a therapeutic device for sustaining a hair
panel against said casing.
5. In a therapeutic device for sustaining a hair
cutting member and for sterilizing skin during
removal of stubble therefrom, a relatively elon
gated casing having in part converging side walls,
one of said walls having an outer sloping surface
leading towards said cutting member and having
a cavity extending widthwise thereof and spaced
from but adjacent said cutting member, an ultra
one of said walls having an outer sloping surface 50 violet ray generator disposed at least in part
across said cavity, a panel having bearing means
leading towards said cutting member and having
defining with said surface a gap and having an
a cavity extending widthwise thereof and spaced
upper web portion spaced from said surface and
from and adjacent said cutting member, an
defining therewith a light conducting duct leading
ultraviolet ray generator disposed at least in part
across said cavity, means carried on the outside 55 towards said cutting member, and a shutter ro
tatably sustained by said bearing means for con
of said casing and spaced from said surface to
cutting member and for sterilizing skin during
removal of stubble therefrom, a relatively elon
gated casing having in part converging side Walls,
trolling the area of said gap and including re
Ílector means for directing ultraviolet rays onto
said surface and into said duct.
erator for directing ultraviolet rays through said 60 6. In a therapeutic device for sustaining a hair
cutting member and for sterilizing skin during re
gap and along said surface and to and beyond
define a gap, and a combined shutter and re
fiector sustained by sai-d means for controlling
the area of said gap and surrounding said gen
moval of stubble therefrom, a relatively elongated
casing having in Dart converging side walls, one
of said walls having an outer sloping surface lead
cutting member and for sterilizing skin during
removal of stubble therefrom; a relatively elon 65 ing towards said cutting member and having a
cavity extending widthwise thereof and spaced
gated casing havin-g in part converging side walls,
from but adjacent said cutting member, an ultra
one of said walls having an outer sloping ’surface
violet ray generator disposed at least in part
leading towards said cutting member and having
across said cavity, a panel having bearing means
a cavity extending widthwise thereof and spaced
from but adjacent said cutting member, an ultra 70 defining with said surface a gap and having an
upper web alongside of but spaced from said sur
violet ray generator disposed at least in part
face and defining therewith a light con-ducting
across said cavity, bearing means carried on the
duct leading towards said cutting member, a
outside of said casing and spaced from said sur
shutter rotatably sustained by said bearing means
face to define a gap, a combined shutter and re
flector rotatably carried by said bearing means 75 for controlling the area of said gap,4 reiiector
said cutting member.
2. In a therapeutic device for sustaining a hair
4
2,888,491
means for directing ultraviolet rays onto said sur
face and into said duct, and means for removably
~ sustaining said panel on said wall.
'1. In a therapeutic device for sustaining a hair
cutting member and for sterilizing skin during re
moval of stubble therefrom, a relatively elongated
casing having in part converging side walls, one
of said walls having an outer sloping surface lead
cutting member and for sterilizing skin during re
moval of stubble therefrom, a relatively elongated "
casingA having in part converging side walls, one
of said walls having an outer sloping surface
leading towards said cutting member and having
a cavity extending widthwise thereof and spaced
from but adjacent said cutting member, an ultra
violet ray generator disposed at -least in part
ing towards said cutting member and having a
across said cavity, a hollow panel having bearing
cavity extending widthwise thereof and spaced
means defining with said surface a gap and hav
from but adjacent said' cutting member, an ultra
violet ray generator disposed at least in Dart
across said cavity, a panel having bearing means
defining with said surface a gap and having an
upper web spaced from said surface and defining
therewith a light conducting duct leading towards
said cutting member, a shutter rotatably sustained
by said bearing means for controlling the area of
said gap, reflector means for directing ultraviolet
rays onto said surface and into said duct, pins
extending from said panel, and means carried by
said casing for clamping said pins to removably
ing an upper portion spaced from said surface
and deiining therewith a light conducting duct
leading towards said cutting member and includ
ing a bridge portion and marginal portions, a
shutter rotatably' sustained by said bearing means
for controlling the area of said gap, reflector
Asustain said panel against said casing.
8. In a therapeutic device for sustaining a hair
g means for directing ultraviolet rays onto said sur
face and into said duct, pin means extending
from said panel and having resilient means, and
means carried by said casing for removably re
ceiving said pins and for clamping said resilient
means i’or holding said bridge portion and mar
ginal portions against said casing.
MAXWELL I.'SCHULTZ.
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