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Патент USA US2095956

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Oct. 19, 1937.
s. J. BEss
2,095,956
MASSAGING DEVICE
Filed July 19, 1933
2 Sheets-Sheet l
Stanleq d. Bess
¿WZ/Míww
Oct. 19, 1937.
s. J. Bass
l
2,095,956
MASSAGING DEVICE
Filed July 19, 1935
2 Sheets-Sheet 2
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Patented Oct. 19, 1937
2,095,956
UNITED STATES PATENT oFFicE
2,095,956
MASSAGING DEVICE
Stanley J. Bess, Minneapolis, Minn.
Application July 19, 1933, Serial No. 681,100
12 Claims.
My inventionv relates to massaging devices and
has for its object to provide a massaging device
adapted to bedriven by an electric motor.
Another object of the invention resides in pro
viding a massaging device in which the massag
structure shown in Fig'. 1 with the cover removed.
Fig. 3 is a longitudinal sectional view taken on
line 3_3 of Fig. 1.
Fig. 4 is aninverted elevational sectional view
taken on line 4_4 of Fig. 3.
ing member is caused to move in a circuitous
path.
»\
5_5 of Fig. 3.
An object of the invention resides in provid
ing a massaging device in which the massaging
10 member is caused to move in a direction at right
)angles to the plane and path of its circuitous mo
5 -
Fig. 5 is a cross sectional view taken on line
'
Fig. 6 is a cross sectional view taken on line
6_6 of Fig. 3.
Fig. 7 is a fragmentary perspective view of a 10
portion of the brush holder.
.
My invention proper comprises a case I0 which
Another object of the invention resides in pro yhas mounted in it a. motor II. Motor II drives
viding an arm carrying the massaging member av suitable transmission I-2 by means of which
at one end thereof and in providing guide means
for the arm intermediate its ends and means for
rotary motion from the motor is converted into 15 a
combined rotary and reciprocating movement.
procuring movement of said arm at its other end. ' An arm I3 to which the massaging device proper
A feature of the invention resides in providing
a cylindrical case having a motor therein and in
disposing said arm along said motor.
'
is attached is operated2 by the transmission I2
and functions in a manner to give the massaging
device the desired movement. These various 420
Another object of the invention resides in ar ' parts will now be described in detail.
\/
ranging the guide means at one end of said mo
The case II is preferably constructed of bake
tor and driving means _for operating the arm at lite or some other similar phenol formaldehyde
the other end of said motor, said driving means product and consists of two parts I4 and I5.
ï being actuated by said motor. .
An object of the invention resides in utilizing a
crank or eccentric for operating said arm.
A still further object of the invention resides in
constructing the arm and case with juxtaposed
parts and in providing one of said parts with a
slot and the other with a pin extending into said
These parts are semi-cylindrical in form, being 25
adapted to be secured together to form a. cylin-drical structure through suitable screws IB which
`pass through the part I4 and are threaded into
the part l5. `l'I'he part I4 is constructed with al
semi-cylindrical wall I1 and end Walls I8 and I9. 30
The part I 5 is similarly constructed with a semi
slot for guiding said arm for reciprocating and cylindrical wall 2U and end walls 2| and 22.
swinging movement. '
-Across the cylindrical wall 20 is provided a. parti
An object of the invention resides in construct
tion. 23 which vtogether with the other walls of
ing said arm with a hinge and in further con
the two parts of the case,y forms a chamber 24 35.
structing said arm with a cam adapted to engage within the case in which the motor II is dis- .
a member on the support by means of which said posed. The various elements- of the invention
arm is vibrated in a direction at right angles to are held in position within the case I0r through
the path of- the circuitous movement of said arm suitable bosses and supports which will be de
40 when ~the arm ‘is reciprocated.
scribed in detail ’in conjunction‘with the descrip- 40
Anotherobject of the invention resides in pro
tion of said elements.
.
~
viding a throw-out device for rendering the vi
The construction of the motor II is best illus
brating mechanism of the invention inoperative trated in Figs. 3, 4 and 5. This motor consists
at will.
,
45
of a field core 25 constructed of laminations and
A feature of the invention resides in providing ' held together through four longitudinally extend- 45
a holder by means of which 4an ordinary tooth ing rods 26 which may be riveted overvthe end
brush may be secured to the arm of the invention». - laminations. The field core' 25 is constructed to
Other objects of the invention reside in the provide two pole pieces 21 and 28 and is bored as
novel combination and arrangement of parts and ~indicated at 29 to receive the armature 30 which
50 in the details of construction hereinafterv illus
is disposed between the two pole pieces 21 and 28. 50
trated and/or described.
Field coils 3| extend about the pole pieces 21 and
In the drawings:
_
Fig. 1 is a perspective view of a massaging de
vice illustrating an embodiment of my invention.
55
Fig. 2 isv an inverted» plan'view of a part of the
, provide suitable flux for procuring rotation of
the armature 30. Armature 30 is preferably con
structed laminated, the same as the field 25,
which laminations are mounted upon a shaft 32. 55
2
aoaaesß
`rI'he armature 38 is provided with slots 33 in which
suitable windings 34 may be placed. These wind
ings are connected to a commutator 35. Fig. 3,
which is mounted upon the shaft 32.
The field core 25 is supported between the two
parts I4 and I5 of case I0, as best shown in Fig.
5. .For this purpose, grooves 36 and 3l are
formed in the walls I'i and 23 respectively of the
two parts It and I5. These grooves serve to hold
10 the said ñeld coil in place. In addition, lugs 38
-onv the wall I 'I in proximity to the diametrical
edge thereof further engage the ñeld core 25 and
assist in centering and supporting the same.
`
/
moved toward the right, the contactor bar |67 is
disengaged from the contact 68'Kancl the circuit
broken.
The motor II is maintained at the proper tem
perature through afan IIâ which is attached to
the shaft 32. This fan draws air through open
ings IIS in the walls I'i of part- I 8 of case I6 and
discharges the same through other openings H6
in the end wall I'I of the said part of the case.
The air in this manner flows through the held and g l
armature of the motor and over the commutator
thereof and is discharged at the forward end of
the case.
»
.
Field core 25 is held from endwise movement
The transmission mechanism l2 by means of
15 through beads 39 which are formed on the inner
_ which the brushes on the massaging device of
surfaces of the walls I 'i and 23 of the case in the invention „are manipulated is best shown in
proximity to the grooves 36 and 31'.
Figs. 2, 3'and 4. Upon the end of the shaft 32 ad
The shaft 32 is journaled at one end in a bear
jacent bearing t6 and between said bearing and
ing 60 which consists of a block of metal screwed
20 to a bridge` portion 8i formed on the wall I'i of the end wall ,I9 of the case is provided afworm 1i.
'I‘his worm is attached to the end of the shaft . ‘
part It of the case I8. For this purpose two 32 in any suitable manner as by a pin 72. Worm ._
screws ¿i2 are employed which extend through the 'il meshes with a worm gear 'i3 which is provided
jbearing and are tapped into the bridge 4I or into with a centrally disposed bore 16. The worm
suitable inserts secured thereto, but not illus
25 trated. Shaft 32 is journaled at its other end in gear ‘i3 is journaled on a stub shaft 75 which ñts
within the bore ‘lli and which is imbedded at one A
a bearing t3 which is clamped in position in a end as indicated at ‘16 in Fig. 3 in a block 'i7 cast
socket ¿it formed in a member 49 formed on wall integral with the part I 8 of case I8. The worm
Il of part I 4 of case I0. For this purpose a cap gear T3 has formed integral with it an eccentric
d5 is employed.' Caplt5 is constructed with ears 'I8 which projects .outwardly therefro , as best
86 which extend outwardly. therefrom and shown in Fig. 3. A washer 'i9 overlies t e end of
through which screws di may pass', which screws the stub shaft 'i5 and is attached _to said shaft 3@
are threaded into inserts 68 setinto the'member through a machine screw 86. This washer and
(i9 in which the socket 48 is constructed. By screw hold the eccentric and gear in proper posi
means of this construction, the bearing 4&3 is tion on the stub -shaft so'that the worm 7i prop-1'
'
.
-35 firmly held in position.
erly meshes with the worm gear 13 and drives 35
To prevent longitudinal movement of the shaft
32, two ball bearings 56 and 5i are employed
which are seated in sockets formed in the ends of
the said shaft. The ball bearing 50 is seated
40 against an end thrust bearing 52 set into the wall
I9 of parjtÍ ’I6 of case Iiiwhile lthe ball bearing v5I
.1s' seated
against a finger 53 formed on the cap
said eccentric.
I
.The part I5 of case I6 having the partition
23 is covered through a cover plate 8l which is
attached to the wall 20 of the ca_se through screws
82 threaded into` inserts 83 set in the walls of
the case. This cover forms in conjunction with
the partition 23 a compartment 88 within-the
case disposed on the opposite side of the parti
" structed of resilient mathrial so that the finger
tion 23 from the compartment 23 in which the
45 53'urges the ball against the end of the shaft 32, motor II is disposed. The arm I3 carrying the
45
and prevents longitudinal movement thereof,
massaging element of the invention is disposed
For the purpose of energizing the motor, two within the compartment 88 »and extends out- '
brushes 54 and 55 are employed which are mount
wardly- through a slot 85 formed in the end wall
ed in brush holders 56 attached to member 39l of ,2i of the part I5 of case I8, The arm I3 is
the
case
I
8
through
screws
.57.
'I‘hese
brushes
are
50
connected by means ofa hinge IIS to
yieldingly held in contact with the commutator hingedly
35 through leaf springs 58 which are secured' to a member’ 8l through which motion is ini
bushings 59 set into _the wall i'i and attached to parted to said arm. This hinge is‘constructed
as follows: Arm I3 is formed at its inner end
>said bushings through screws 60. A suitable with
spaced hinge leaves 86. The member 8l is n
cable or twin electrical conductor 6I is employed
t5., This ñnger‘and cap are preferably con
which passes through an opening 62 in the rear _ constructed with s hinge 1eaf sa whichnts be- '55..
wall I9 of the case and which- extends through tween the jleaves 8?. A 'pin 89 passes jointly
the bridge 4I- and follows along a space 63 formed
between the ñeld core 25 and said wall Il. The
y60 branches of the conductor 6 I are connected to the
brushes 54 and 55 and to the field coils 3i and are
through all of said y'leaves and hingedly con- '
nects _the arm I3 to- the member 87. Member 8l
Ahas formed on it an eccentric strap 96 which
fits over the eccentric 18. The washer 18 and 60
. also connected' to a suitable switch 66 by means ä screw 80 serve to holdjthe -eccentric ,strap in
position upon the eccentric as best shown in Fig.
of which the motor may bev turned off or on.
3. By means of'v this construction the member
The switch 66 comprises a Afinger piece 65 dis
65 posed upon the exterior of the case and lis coni
structed with a lug 66 extending into theinterior
ofthe case through a slot '6l' along which the said
>lug is movable. `Lug 66 carries a spring connec
8l is 'given a reciprocating and rotary movement `
as the worm gear l‘i3 turns.
65
In the use of the invention, it Jfrequently o_c
Ycurs that water or other preparation used on
the brush of the massaging ldevice follows along
>thebrush
and drains into the compartment 86
contacts 68 and 69 'secured to >themember 49 of
of the case I8. For this -purpose the partition
.l ¿_zythe case. `The bar I 6l is secured tothe lug 66 23 is employed which forms the separate lcom 70
„through a. screw r'IIL When the finger piece 65 is partment 86 and in which the brush holder and
v`in tiiëfpcsition shown'm Fi‘g. 3, the circuit through «arm
are disposed.l .This compartment is readily
,thetwo kcontacts 68-69, is completed ~land the -accessible by removaldf- the ,cover 8i so that the `
75 motor is energized. When the finger piece 65 is entire brushA holder and arm may be cleaned
75
` tor 'bar I6'i whichis adapted to contact with two
2,095,956
whenever necessary. This cover is constructed
‘with openings II8 through which liquids enter
ing this compartment may drain out of the de
vice.
.
3
to hold the said crank in engagement with cam
|02. When the parts are disposed as shown in
Fig. 3, movement of the arm I3 toward the right
through the action of the eccentric 18 causes
the cam |02 to ride along crank |03 and to move Ul
For the purpose of guiding the arm I3 for
movement, the same is constructed near lits outer I the said arm about the hinge I I3 outwardly from
end with a longitudinally extending slot 9|. A
pin 92 set into the partition 23 is received within the partition 23. Movement of arm I3 in the
opposite direction brings about movement of
the slot 9|. As the eccentric 18 rotates arm I3
said
arm back toward partition 23 through the
10 :ls given a reciprocating and oscillatory movement
through the action of the pin 92 and slot 9| action of spring III. In this manner the arm
I3 is vibrated in the direction of the length of
which movement is utilized to impart a similar
'motion to the massaging member carried by the'bristles 95 and at the same time the bristles
caused to travel in a circuitous path. When the
the arm.
brush
93 is dipped in a suitable dental prepara
15
In order to illustrate the method of attaching tion and
applied to the mouth and particularly 15
the massaging member to the arm I3, an=orto the teeth, the bristles 95 travel in a circuitous
dinary tooth brush 93 has been shown as applied path
and engage the gums at the locality- there
to the same. This tooth brush comprises a han
of
adjoining
the teeth. This causes massaging
dle 94 having bristles 95 at the outer end there
20 of. For securing the tooth brush in place, a of the gums and the stimulation of the ñow of
blood therein which is highly effective in curing 20
socketed member 96 is employed which is at
pyorrhea and other gum diseases.
tached to the arm I3 intermediate the ends
When the crank |03 is turned toa. position
thereof and disposed Within the compartment exactly
180 degrees from that shown in Fig. 3,'
84. This socketed member has two converging
25 Walls 91 and 98 which in addition to converging, the said crank is held free from the cam |02.
Movement of the arm I3 through the eccentric 25
also incline with respect to one another. When
18 is in such case purely confined to a single
the end 99 of the tooth brush is inserted into plane. By adjusting the crank |03 through the
this socketed member the said member serves knob II 0 any.' degree of vibration can be pro
to center the tooth brush with respect to the
,30
cured.
arm I3 and to draw the same securely against
the back of the arm as shown in Fig. 3.
In addition to the socketed member -96 for
holding the tooth brush in place a clamp |00
is employed. This clamp ñts about the end of
the arm I3 holding the tooth brush and is pro
vided with a set screw IOI which ñts against the
said arm and serves to draw the clamp against
the tooth brush and to hold the brush firmly at
40
tached to the arm.
f
In the operation of the device, the eccentric
18 gives the member 81 a circuitous movement
and at the same time reciprocates the same,
causing the arm I3 to simultaneously reciprocate
and oscillate. The bristles 95 atl the end of the
45
brush 93 are hence caused to take the same path
of movement as the said member 81. This causes
the bristles to travel in a circuitous path, the
radius of which can be controlled through the
selection of an eccentric having proper eccen
i
Although I have referred to my invention as 30
useful for the purpose of massaging the giuns
and cleaning teeth, the same can be used for
massaging muscles or for any other similar pur
pose. Other massaging elements may be used
instead of the conventional tooth brush, such as 35
a friction pad or a rubber toothed head.
In manipulating my improved massaging de
vice and particularly when used for massaging
the gums, the same is grasped through the case
|0 which serves as a handle.
When so disposed, 40
the foreiinger is in close proximity to the switch
64 by means of which said switch may be ma
nipulated to operate the device. The brush 93
is covered with paste or some other dental prepa
ration and placed in the mouth and uponthe 45
teeth. The current is then turned on through
the switch 64 which procures a circuitous move
ment of the brush. As the brush is so driven,
cleansing of the teeth and massaging of the gums
is procured. If desired the brush may be di 50
rectly applied to the gums or to any other parts
tricity and the disposition of the pin 92 with re
spect to the brush and the eccentric.
In addition to imparting to the massaging .of the body to whichthe desired massaging ef
device movement in a circuitous path, it is also .
fect is to be given. When combined rotary and
desirable to give it a vibratory movement in a
vibratory movement is utilized more vigorous
direction at right angles to the plane of the said action
is produced.
55
path. This is accomplished through the action f, ,
_ My invention is highly advantageous in that
of a cam |02 formed on the arm I3 near the
an extremely simple and convenient device is
end thereof. For this purpose the said arm is provided whereby massaging of the gums or other
thickened at the locality in which the slot 9| parts of the body may be eiîectively procured.
is disposed and subsequently reduced in thick
ness as illustrated. Cooperating with the cam
|02 is a crank |03 which is formed with two
bearings |04 and |05 journaled in suitable sock
ets |06 and |01 formed in parts of the partition
23. The bearing |04 is constructed with a groove
|08. A pin |09 is seated in this groove and is
attached to the partition 23 and serves to hold
the said crank in position. A knurled head I|0
on the end of the crank |03 permits of rotating
said crank from its position in Fig. 3 to a posi
tion in which the said crank is disposed 180 de
grees from said position. A leaf spring I|| is at
tached to the arm I3 through rivets II2 and
is adapted to engage the crank I 03 on the side
75 thereof opposite the cam |02. This spring serves
Through the action of the rotary movement of 60
the massaging element, results are procured yand
particularly in conjunction with the gums which
could not be procured with merely rectilinear
reciprocatory movement. By means of the gear
ing employed, a high speed motor may be utilized 65
and the massaging device still caused to travel
at the desired speed. Due to the particular con
struction of the case utilizing the partition,
any water or foreign matter following along the
brush may be discharged from the case without
entering the transmission mechanism thereof.
With my invention any type of massaging de
vice can be utilized and an ordinary tooth brush
quickly and securely attached to the movable
member. By means of the vibratory meve«
4
2,095,956
ment the massaging. device 'is caused to more
effectively massage the surface on which it is ap
plied and a greater stimulating effect is procured
the direction of the length of the case, said recip
rocating and swinging movement being confined
to a plane, means for causing the f?`ee end of
than would be possible werethis feature omitted.
Changes in the speciñc form of my invention,
the arm to move in a direction at an angle with
respect to said plane, means for holding a mas
saging device attached to the free end of said
arm and driving means connected to the inner
as herein disclosed, may be made within the
scope of what is claimed without departing from
the spirit of my invention.
Having ydescribed my invention, what I claim as
10 new and desire to protect by Letters Patent is:
1. Ina massaging device, a support, an arm,
a massaging member carried by said arm, guide
means carried by the support and engaging said
arm, means carried by the support -for moving
15 the arm, said last named means cooperating with
said guide means vto procure movement of said
massaging member in a plane’circuitous path,
and other guide means cooperating4 with said
lsaid case and connected with the inner end of
last named means to procure movement of said
20 massaging member in a direction transverse to
vsaid arm for reciprocating and swinging said arm,
and means for holding a massaging devicey at 20
the plane of said path thereby giving said mas
saging member movement in three dimensions.
2. In/combination, a cylindrical case, an elec
tric motor carried in said case, said motor hav
25 ing a shaft extending outwardly therefrom at one
end, an arm substantially coextensive with said
motor and confinedv Within said case, means for
guiding said arm for reciprocating vand swinging
movement, a crank disposed within said case,
30 transmission mechanism connected to said crank
andmotor shaft for operating said crank, said
crank being pivoted to said arm and functioning
to swing and reciprocate said arm.
3. In a massaging device, a support, an _arm
35 carried by said support, a massaging member
carried by said arm, said support and arm hav
ing juxtaposed parts, one of saidparts being pro
vided with a groove and the >other with a pin ex
tending into said groove, said pin and groove
serving to guide said arm for swinging and re
ciprocating movement, means for swinging and
reciprocating said arm, and means for urging
movement of said arm in the direction of extent
of said pin.
45
'
`
60
65
-
.
7. In a massaging device, an elongated case,
an arm extending longitudinally of the case with 10
in the same and projecting from- one end there
of, said arm and case having juxtaposed parts,
one of said parts having a longitudinally extend- .
ing groove and the other having a trunnion pro
j ecting therefrom and disposed within said groove 15
whereby said arm may have swinging and recip
rocating movement, driving means carried by
tached to the free end of the arm.
8. In a massaging device, a support, an arm,
a guide for guiding said arm rfor reciprocating
movement, hinge means for guiding said arm for
swinging movement about one axis, other hinge 25
means for guiding said arm for movement about
another axis, and means for reciprocating said
arm.
_
9. In a massaging device, a Support, an arm,
a guide for guiding said arm for reciprocating 30
movement, hinge means for guiding said arm for
swinging movement about one axis, other hinge
means for guiding said arm for movement about ‘
'another axis, the axes of said hinge means be
ing at right angles to one another and means 35
yfor reciprocating said arm.
10. In combination, a cylindrical case, an elec
tric4 motor carried in said case, said motor hav
ing a shaft extending outwardly therefrom at
one end, an arm extending along said motor and 40
confined within said case, a crank disposed with
in said case at the shaft end of the motor, means
for operating the crank from the projecting
portion of themotor shaft, a guide within said
case, said guide being disposed at the other end
4. In a massaging device, a support, an arm,
a massaging member carried by said arm, guide of the motor and engagingïsaid arm, said arm
means carried by the support and engaging said extending outwardly lfrom the case at the end
arm, means carried by the support for moving ‘ thereof having the guide and a massaging device '
the arm in one direction, a cam on said arm hav
at the free end of the arm.
ing >a surface angularly disposed with'respect to
55
end of the arm.
il. In a massaging device, a support, an elon 50
the direction of movement of said arm, and gated arm, guide means acting between said
means on said support for _engagement with said support and arm for guiding said arm for longi
cam to move said arm in another direction.
tudinal and swinging-movement, means engag
5. In a massaging device, a support, an arm, ing said guide means at a locality spaced from
a massaging member carried by said arm, guide said arm and imparting lto said arm at such
means carried by the support and engaging said locality a complete circular motion confined to
arm, means carried by the support for moving a plane containing said arm, and a massaging de
the arm in one direction, a cam on said arm hav
vice carried by the arm and traveling- over the
ing a surface angularly disposed with respect to entire _extent of a complete circuitous course.
the direction of movement of said arm, a crank
i2. In a massaging device, a support, an elon 60
having a part engaging said cam, said crank be
gated arm, guide means acting between said sup
ing revoluble to throw said part out of the path port and arm for guiding said arm for longi
of movement of said cam to cause the arm to tudinal and swinging movement, a shaft having
travel~-freely or to bring said part into engage
its axis disposed transversely of said arm, a cir
ment with said cam to cause the same to move cular bearing in said arm, a crank rotated by
in a direction away from said support.
said shaft and directly journalled in said bear
6. In a massaging device, an elongated case, an
ing and imparting a complete rotary movement to
arm extending longitudinally of the case~within the portion of the arm having said bearing, and
the same and projecting from one end thereof,
a massaging device carried by said arm and
means carried by said case for engagement with traveling over the entire extent of a complete 70
- '
the arm intermediate the ends thereof, said~ circuitous course.
means guiding the arm for lateral .swinging
STANLEY J. BESS.
movement and for reciprocating movement in
CERTIFICATE oF JCORRECTION.
Patent No. 2,095,956.
-_October 19, 1957.
STANIEY J'. BESS.
It is hereby certified that error appears in the printed specification
of the above numbered patent requiring correction as follows: Page L|_, second
column, line 51;., claim ll, >for the words "guide means",y read arm; and line
55, same claim, for "arm" first occurrence, read `guide means; and that the
said lLetters Patent should be readwith these corrections therein that the
same may conformto the record of the case in the Patent Office.
signed and sealed this -151:11 day of naz-ch, A. D. 1938.
(Seal)
'
Henry Van Arsdale,
v
' Acting Commissioner of Patents.
CERTIFICATE oF JCORRECTION.
Patent No. 2,095,956.
¿October 19, 1957.
STANLEY J. BESS.
It is hereby certified that error appears in the printed specification
ofthe above numbered patent requiring correction as follows: Page LL, second
column, line 5h., claim ll, >for the words "guide means", read arm; and line
55, same claim, for "arm" first occurrence, read Aguide means; and that the
said vLettera?, Patent should be read with these corrections therein that the
same mayr conform- to the record of the case in the Patent Office.,
signed and lsealed this 15th day of March, A., D., 1958„
Henr;r Van Arsdale,
` (Seal)
l
~Acting Commissioner of Patents.,
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