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Dec. 17; 1946.‘
Original Filed Jan. 20, 1943
8 Sheets-‘Sheet’ 1
Dec. 17, 1946.
Original Filed Jan. 20, 1945
8 Sheets-Sheet 2
Dec. 17, 1946,
OYriginal Filed Jan. 20, 1943
8 Sheets-‘~Sheet 3
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. 17, 1946.
2,412,722 7
Original Filed Jan. 20, 1943
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Dec. 17, ‘1946. .
Original Filed Jan. -20, 1943
8 Sheets-Sheet- 5
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13¢. 17, 1946.
Original Filed Jan. 20, 1943
8 Sheefs-Sheet 6
Dec- 17, 1946.
J. B. DYER 2
2,412,722 '
Original‘ Filed Jan. 20, ‘1943
8 Sheets-Sheet 7
Dec. 17, 1946.
Original Filed Jan. 20, 1.9213
8 Sheets-Sheet 8
\ms'uv~ PERIOD -
WATER m'n'o
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PUMP muse
*2 mm TUB
mus: "a
SPIN mus: "a
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ARM opens
Patented Dec. 17, 1946
John B. Dyer, Syracuse, N. ‘Y., asslgnor‘to Gen
eral Motors Corporation, Dayton, Ohio, a cor-_
poration of Delaware
Application January 20, 1943, Serial No. 472,933,
which is a division of application Serial No.
227,519, August 30, 1938. Divided and this ap
plication March 16, 1944, Serial No. 526,781
7 Claims. (CI. 74-22)
This application is a division of my application
S. N. 472,933, ?led January 20, 1943, which in turn
is a division of my application S. N. 227,519 ?led
ious cams control the various operations of the
washing machine.
The clothes, or other articles to be washed, may
be placed in the tub of my washing machine. A
disclosed therein whereby a driving means ro 5 soap solution may be placed in one reservoir and
?rst and second rinse waters may be placed in
tates a sleeve or reciprocates a shaft within the
their respective reservoirs. The automatic con
sleeve while the sleeve is held stationary.
trols may then be set for a selected length of
It is an object of this invention to provide an
wash period and the machine started. There
arrangement for rotating a sleeve and reciprocat
ing a shaft within the sleeve wherein an auto“ 10 after the washing machineautomatlcally pumps
the soap. solution into the tub; agitates the
matic control causes the sleeve to be held sta
clothes for the selected length of time in the
tionary while the shaft reciprocates when the
soap solution; centrifuges the soap solution out
control is in one condition of operation but when
of the clothes and back to its reservoir for sub
the control is in another condition of operation,
15 sequent use; piunps the first rinse water into the
the sleeve is rotated by the driving means.
tub; agitates the clothes in the ?rst rinse water
Further objects and advantages of the present
for the proper length of time; centrifuges the ?rst
invention will .be apparent from the following
rinse water into a sewer connection; pumps the
description, reference being had to the 'accom
second rinse water into the tub; agitates the
panying drawings, wherein a preferred form of
20 clothes in the second. rinse water for the proper
the present invention is clearly shown.
length of time; centrifuges the secondrinse water
In the drawings:
Fig. 1 is a vertical cross-section of the tub and ' into the ?rst rinse water reservoir for use,_as ?rst
August 30, 1938, now Patent No. 2,325,837, and
is particularly directed toward the arrangement
driving parts of a washing machine embodying
rinse water, with a subsequent "batch” of clothes;
and then stops the motor of the machine in read
for further washings or for proper cleansing
Fig. 2 is a cross-section of my washing machine,
of the machine at the completion of the washing
showing the outer casing and several other parts
my invention;
in cross-section;
Fig. 3 is a cross-section transverse to Fig. 2;
Fig. 4 is a vertical cross-section taken along the
My washing machine preferably is enclosed in
a streamlined casing l0 adapted to be supported
30 on the door. The casing preferably contains the
moving parts of the washing machine, reservoirs
Fig. 5 is a vertical cross-section showing the
in which to store the various washing fluids, and
clutch mechanism;
the automatic controls whichcause the washing
Fig. 6 is a perspective view of the exterior of
machine to perform, in proper sequence, the var
the washing machine;
Fig. 7 is an end elevation of the washing _35 ions washing operations necessary to wash, and
rinse the clothes and extract excess ?uids there
Fig. 8 is a cross-section of the automatic con
The casing i0 is provided with, or supported on,
trolling mechanism;
a plurality of vertical supporting standards ll'
Fig. 9 is a diagrammatic representation oiithe 40 and
it’. These standards support the moving
various cams used in the controlling mechanism;
of the washing machine. To this end,
Fig. 10 is a cross-section taken along the line
standards II are arched at l3, to provide sup
‘IO-l0 of Fig.8;
ports for the rods l4. Some of the standards II
line 4-4 of __Fig. 1;
' Fig. 11 is a cross-section taken along the line
are provided with pedestals or casters l3a to rest
“ on the floor. The machine may be provided with
Fig. 12 is a cross-section taken along the line
other pedestals or casters l3b,v as desired. The
ll'—ll of Fig. 8;
|2+|2 of Fig. 8;
Figs. 13, 14 and 15 are cross-sections of por-i
. rods. H are provided with rubber or rubber-like,
.end members l5 and I 8 to insulate them both
from a noise and a vibration standpoint. These
60 rods are supported at their upper end by the
tion with my invention; '
arched portions I3 of the rods ii and support, at
Fig. 16 is a wiring diagram showing the appli
lower ends, a frame l1 upon which the tub
cation of the automatic control of the various
tions of solenoids which may be used in connec
parts of the washing machine; and '
Fig. 17 is a time sheetindicating how the var
II, and the driving parts therefor are supported.
The rods l4 and‘irame i1 therefore'provide a free
65 swinging support for the tub and the driving
when the portion 25 is reciprocated. the ring 32
parts therefor, so that the force of the vibrations
of the tub is ‘greatly reduced, and is practically
dampened before it is transmitted to the floor
upon which‘ the washing machine rests.
The swinging parts of the washing machine
. and rod 24 are also reciprocated. On the other
hand, when the tub is rotated, the agitator l5,
rod 24 and ring 3| can rotate independently of
/ are joined to the relatively stationary parts of
the washing machine by ?exible hose connec
the, portion 25.
The tub and driving mechanism are mounted '
on the swinging frame |'I.' The driving mecha
nism includes a motor 33 suspended from the
tions, and, where control knobs, etc., are sup
' bracket 34. The motor 33 has a driving connec
ported on the swinging parts of the washing ma 10 tion to~impart rotation to the tub l5. To this
chine and pass "through the casing I0, suitable
end, the motor 33 drives a shaft 35, provided with
openings are provided to allow such control rods
a worm 35 engaging the gear wheel 31. The
to vibrate with the swinging parts, without
gear wheel 31 is keyed to a hollow shaft 35, which
- touching the casing l0.
carries. at its upper end a platform 39, bolted
The tub |8 preferably is mounted for spinning 15 to the bottom of the tub l5. The shaft 38 is pro
vor rotation about a vertical axis to perform the
vided with ball bearings 40 and 4|, the ball hear
extracting or centrifuging action. A vertically
ing 4| preferably being a thrust bearing, to re—
pulsating, cone-shaped agitator I3 is placed with
ceive the weight of the tub. The reclprocable
in the tub._ The arrangement is such that arti-,
shaft 24 is loosely mounted within the shaft .38
cles to be washed can be placed in the tub l8, a 20 and preferably is provided with sleeve bearings
proper washing solution, and ?rst and second
42 and 43.
rinse waters can be placed in the reservoirs 25,
The motor driven shaft 35 is provided with
2| and 22. Thereafter, by proper setting of the -
control mechanism, the clothes are automatically
clutch_means 44 for selectively connecting the
tub centrifugal drive, or an agitator reciprocating
washed .in the washing solution, centrifuged, 25 drive with the motor 33. The clutch means in
rinsed, centrifuged, rinsed, and again centrifuged
cludes the centrifugal clutch 45 and the re
to provide the complete washing of the clothes,
ciprocating clutch 45. These clutches are actu
in situ. The articles to be washed are agitated
ated by a reciprocable rod 41 in such a manner
in the various washing ?uids, which form bodies
that when the rod 41 ismoved to the right,’ Figs.
, of washing ?uid in the tub |8,'by a series of 30 1 and 5, the centrifugal clutch 45 is engaged, and
strong, pulsating, radially outwardly directed
when the rod 41 is moved to the left the recipro-currents of the ?uid at the bottom of the body
eating clutch 45 is engaged. When the‘clutch 45
is engaged, the worm 35 is rotated, thus causing
of fluid in the tub
?uid is removed from the articles to be washed
centrifugal rotation of the tub. When the clutch
by imparting, in situ, a whirling centrifugal ac 35 45 is engaged, the gear 43 is rotated, which in
tion to the tub |5. The various mechanisms with
turn drives the large gear wheel 49 carried by
which these steps are carried out are illustrated
the shaft 35. Rotation of the shaft 35 causes
in the drawings.
The cone-shaped agitator I5 is preferably pro
reciprocation of the agitator |9 through the
medium of the shaft 24.v
vided with a cone-shaped rubber, or rubber-like, 40
Any suitable type of selective clutch mecha
rim 23 along its lower edge. The agitator is
nism may be used. ' For example, the clutch
supported on the upper end of avertically re
mechanism shown in Fig. '5 includes driven discs
ciprocable rod 24. A suitable metallic or rubber
55 and 5| and driving discs 52 and 53 carried by
like diaphragm 25a is provided near- the rod 24
the cups 52a and 53a, respectively, keyed to the ‘
or agitator 19 of the tub Hi to prevent the flow 45 shaft 35. Spring “urges the clutch discs 50
of liquid along the rod 24. The rod 24 is verti
and 52 into engagement while spring 55 urges
cally reciprocate'd by means of a Scotch-yoke
the clutch discs 5| ‘and 53 into engagement. The
mechanism 25 at its lower end. The Scotch yoke
rod 41 carries brake elements 55 and 51. When
mechanism is of such a character that it imparts
the rod is moved to the right, as shown .inFig.
a vertical reciprocating movement to the rod 24 50 5, the‘ brake element 51 engages with thebrake
and permits the same to rotate with ‘the tub l5
disc 58 and removes the spring pressure of spring.
when the tub is rotated.
v 54 from the discs 55 and 52 thus disengaging the
The agitator I5 preferably is givena vertical
reciprocating drive and applying a braking ac
reciprocating movement of about 11/2 inches to 2
tion to it. At the same time, the‘ brake element
inches, at a speed of about 450 pulsations per‘ 55 55 is moved away from the‘brake disc 53. This
20 to 25
minute. Preferably the tub I3 is about
permits the force of the spring 55 to be applied
inches in diameter at the top. When clothes are
to the discs5| and 53 thus bringing the sleeve
- placed in the tub, with liquid nearly to the top, " 50, carrying the worm 36, into driving engage
and the agitator is reciprocated at the rate above
ment with the shaft 35, thus causing centrifugal
given, a very efficient washing action is obtained. 60 rotation of the tub. Conversely, when the shaft
The agitator tends to impart a “.smoker’srlng’.’
41 is moved to the left, the discs 5| and 53 are
or toroidal movement to the clothes and water,
disengaged, and the discs 55 and 52 are engaged,
and this ?exes the clothes continuously during
thus connecting the agitator I! to the motor
the washing operation and frees the‘ dirt from
through the medium of shaft 35, discs 53 and 52,
them. The ring 23 tends to impart, a rubbing 65 etc., the discs 53 being keyed on sleeve 43a car
action to the clothes and acts as a “duck’s foot"
in imparting strong pulsating, radially outwardly
rying gear 45.
The shaft 41 is moved to the right by spin sole
- directed water currents at the bottom of the tub,
noid 41a and to the left by agitation solenoid
which, in turn, impart the “smoker’s ring" agi
415. These solenoids are automaticallyenergized
tation to the main body of water.
70 at the proper times by the control mechanisn
The Scotch yoke mechanism 25 includes the
herein more fully described. When neither sole
portion 25 provided with a horizontal slot 21
noid is energized, both the tub and the agitate]
which is engaged by the pin 25 eccentrically car
.remain stationary, since bothclutches 45 and-4|
lied on the disc 23. The disc 29 is rotated by
are disengaged at "neutral" position of rod 41.
the shaft 33. The rod 24 is secured to a ring 75 The washing machine may be provided witl
3| which is rotationally free in the slot 32. so that
' ‘2,412,722
suitable reservoirs 28,.2I and 22, and suitable
liquid flow connections may be provided
troducing liquids from the reservoirs 28,
. 22 into the tub I8, for returning such
from the tub into the proper reservoirs
for in- .
2I and Y
or for
99v and I 88 which selects the time that shaft at
can rotate before it starts rotating shaft 98a.
Fig. 16 shows the action of the various: cams.
After the clothes have been placed in the tub I8, .
discharging the liquid from the tub into a suit
able drain connection.‘
‘i8 is provided, which is drivingly engaged with
the cover I88 is closed and the soap solution and
rinses are placed in reservoirsw 28, 2| and 22
the motor 33 through the medium of a clutch ‘II
and a felt drive ‘I2, the clutch 1| being actu
ated by the solenoid ‘I3. The intake of the pump
switch I89 is turned to the "on” or closed posi
‘I8 is connected, by a partly'?exible pipe “with
the reservoirs 28, 2I and 22 through the medium of
branches ‘I5, ‘I6 and 1‘! respectively, which
through the hinged door opening I880.
_ tion.
The handle 91 is then moved outwardly
to disengage the gears 94 and ‘95 and the knob 98
is turned to the proper index (see Fig. 6) to pro,
vide the desired length of washing period B. The
handle 91 is then released, so that the spring‘ II 8
moves the‘ shaft 96 to the left and engages the
branches are provided with solenoid valves 18,‘
‘I9 and 88 respectively. The ‘discharge of the 15 gears 98 and 98. The cam I8‘! is provided with a
following switch III, carried by a movable arm ‘
pump ‘I8 is connected through the medium of a
I I2, so that when the shaft 99 is initially posi- ,
partly ?exible pipe 8I, solenoid valve 82 and pipe
tioned at its selected position the contacts [I3 of
the switch III are closed and remain closed a
drain trough 85 is placed 20 su?icient length of time to pump the soap solution
from the reservoir 28 into the tub I8. The clos
ing of contacts II3 energizes the pump clutch
solenoid ‘I3 and the soap solution valve ‘I8 to
cause the pumping operation. The contacts I I3
voirs 28 or 2I , as selected by the solenoid valve 81, 25 remain closed a su?icient length of time to permit
all of the liquid \to be transferred from the reser
through the medium of pipes 88 and 89. The
voir 28 into the tub I8. During the time that the
pipes ‘I4 and 8| are rendered partially ?exible by
rubber hose sections 14a and 8Ia.
tub is being ?lled, the tub and agitator are sta
tionary since the solenoids 41a and "bare not
The various operations of the washing machine
may be automatically controlled. For this pur- - 30 energized. When the circuits to pump clutch
solenoid ‘I3 or to spin solenoid 41a are, closed
pose, the motor 33 is drivingly connected, through
‘the relay switch I I8 is opened, thus preventing
belt 98,‘ with a control switch box 9I, which is pro
energization of the agitation solenoid 41b at that
vided with suitable cam actuated switches to
time. Accordingly, while liquid is being pumped
perform the desired sequence of operations. The
into tub I8 during operation A, the agitator l9
pulley 92, by proper gear reduction mechanism‘
around the upper portion of the tub I8, so that
liquid can be discharged from the tub through
the slotted opening 86 into the trough 85. From
thence the liquid can be discharged into the reser
remains stationary, but as soon as operation B
in gear box 93 drives the cone-shaped gear 94
at a reduced rate. The gear 94 is engageably and
begins, by the opening of contacts H3, relay I“
closes‘ and causes operation of agitator I9 through
disengageably connected to the internal cone
solenoid 41b. The agitator I9 continues to be
shaped gear wheel 95 to drive the shaft 99 at slow
speed. The shaft 96 is longitudinally movable 40 reciprocated for the ‘selected wash period of time
B, determined by the initial setting, by. knob 98,
by the handle 91, through the forked crank 91a
and disc 9'lb‘secured to shaft 96, to bring into
engagement or disengagement the gears 94 and
When the gears are disengaged by movement
of the angular distance between the members
99 and I88.
of handle 91, the shaft 96 can be positioned at‘ 45
any initial starting adjustment by means of the
positioning knob 99 for initiating the, washing
When the handle 91 is released, spring
II8 returns shaft 96‘1eftward.
The ?rst manipulation
as to set the drive crank 99
Contacts “3 open after a ?xed
, periodof time A and before the members 99 and
I88 come into engagement.
After the members 99 and I88 come into en
e‘gagement, the shaft 99a begins to rotate and the
cam I8I moves to close contacts II5, as indicated
by the time sheet, Fig. 17, period C. The closing
of the contacts II5 energizes the solenoid Illa
and deenergizes solenoid 41b, thuschanging the
* drive from agitation to spinning and causingithe
clothes to be centrifuged for a suitable period
drive shaft 96 to be rotated a selected period of
of time C, as long as the corresponding knob cf
time before the members 99 and I88 comeinto
driving engagement. The time that shaft 96 ro 55 cam I8I keeps the switch II5 closed. The soap
solution, during this centrifuging period, is dis
tates before the members 99 and I88 engage each
charged into the trough 85v and from thence
other is the period A during which the tub I9 is
flows through the valve 81 and pipe 88 back into
?lled with soap solution and the period 13 during
which the clothes are agitated in the soap solu
the reservoir 28 for reuse with the second batch
tion. .This period B is adjustably selectable to 60 of clothes. The valve 81 is of the character shown
provide a variable wash period, ofa length de
in Fig. 14, and, when unenergized, causes liquid
to ?ow into the pipe 88 rather than into the pipe
sired by the user, during which the clothes are‘
agitated in the soap solution. After the mem
The next operation D, the pumping of the
bers 99 and I88 come into engagement, the shaft
86a is rotated, and the remaining washing oper 65 first rinse water into tub I8, takes place, as indi
ations C to I are controlled by the cams I8I to
cated by ‘Fig. 17, when cams I84 and I85 close
their respective switches H6 and Ill. The clos
I86 inclusive, which are mounted on shaft 96a,
ing of switch II6 energizes the pump solenoid 13,
which starts its rotation at the termination of
which, by the means of cantilever II8, acting
wash period B. The initial tub ?lling period A,
during which the pump withdraws soap solution 70 against tension spring II8a, engages the pump
clutch ‘II and drives the pump ‘I8. The closing of
from‘ reservoir 28 and discharges it into the tub
switch H6 also energizes and opens relay- H4
I8 is performed by cam I81, after which the var
lable soap was period B is determined by the 7 thus preventing agitation. At the same time, the
original setting of the distance between members 75 closing of the switch I ll energizes the solenoid
valve ‘I9 of the reservoir 2| and causes the pump
cated by dotted line I22 in Fig. 16) closes contacts
"10 to pump the ?rst rinse water from reservoir
2I ‘into tubv I8. At this time, the cam IIII has
opened the switch, I I5 and thus the tub is not
rotated; and the ?rst rinse water remains in the
tub I8. After the ?lling operation D is terminated
I23 to I29 inclusive. The closing of switches I23
and I24 energizes motor 33 and valve ‘I8. The
closing of switches I26 to I29 energizes valve 82,
pump clutch solenoid ‘I3, and~valves 19 and 80
respectively and opens relay H4. The closing of
by the opening of switch IIB by cam IE5, opera- .
contacts 825 causes the tub to spin. The tub I8.
tion E takes place by the consequent deenergiza
before the switch I22 is manipulated, can be
tion and closing of relay Hill. This energizes
scrubbed, with water which remains in the tub
agitation solenoid Mb and causes agitation of 10 until switch H6 is manipulated. As the tub I8
the clothes during period E; .
then, spins, the water in the tub is centrifugally
After the clothes have been properly agitated
discharged into reservoir 20 and from thence
’ " during period E, the cams IN,
‘through pump ‘I0 into the sewer connection 84.
The relative position of these parts can be
I05 close their respective contacts H5. H8, H9.
H6 and Ill during period F to cause the first
‘changed. The reservoirs 20, 2I and 22 need not .
rinse water to be discharged from tub iii into
be placed inside the‘casing IE, but may be on the
sewer connection 8%. This is accomplished by
outside of the casing and the automatic opera
centrifuging the first rinse into reservoir 2! and
tion still may ‘be maintained.
pumping it from thence into sewer connection 8%.
Mechanism which causes the switch I I I to vfol
The closing of switch H5 causes the tub to spin
low properly the cam Iil'Lis provided. The arm
by the energization of solenoid Ma, and prevents
M2 is iricticnally held in any position by hub /
agitation by the energization and opening of
Hit. The hub H36 is pulled against support l3!
' relay H4.
The closing of switch H8 energizes
by spring W2 and sleeve I33, so that arm H2
solenoid valve 81, so that the rinse water being
centrifuged flows through pipe 89 into the reser
voir 2|. The closing of the contacts are ener
tends to remain wherever last- positioned. The
gear wheel 95 has two lugs HQ and 335 which
straddle the lower portion I36 of arm H2. When
gear wheel as is turned, (Fig. 11) as indicated by
the dotted arrow on the right, lug I35 carries
gizes the solenoid valve 82, so that the discharge
from the pump ‘Ill, and from reservoir ‘26 is
directed to the sewer connection 85. The closing
of switch IIB energizes the pump clutch and
stops the agitator, and the closing of switch Iil
- arm_ i 42 with it in a clockwise direction, so that
' energizes valve ‘it, so that the pump ‘hi can
remove the soiled ?rst rinse water as fast as it is
cam it? closes switch H3 for the necessary pe
riod of time to pump the soap solution from
reservoir 29 to tub I8. The switch H3, and arm
when operation is started and gear wheel 95 is
started counter-clockwise by motor operation,
returned to reservoir 2i and can discharge it
to the sewer connection 86..
Thereafter operation'Gv takes place during
H2, remain frictionally in the‘same place until
the knob of cam
H31 has
passed and opened the'
which the second rinse is pumped from reservoir
switch “3 to terminate the pumping action.
22 into tub I8. Cam I05 keeps the switch Ht
Thereafter the lug I34 moves the arm II2 coun
closed. and the cam “it closes the. contacts in.
ter-clockwise during the selected length of time
Since the contacts lit remain closed, the pump 40 of period B after which the shaft 96a starts ro
continues to operate and relay “it remains open
tation to control operations C-I inclusive, to
to prevent actuation of the agitator, and‘ the
be ready to be again set by lug I35 when the
machine is reset. During the resetting opera
. closing of contacts I20 energizes the solenoid valve
'89 and causes the pump 10 to pump the second
tion the cam lll‘i is moved to the right by the
rinse water from reservoir 22 into the tub it.
movement of handle 91 (Fig. 8), so that the cam
The agitator and tub‘ are stationary during this
it? does not engage switch H3 during the reset
During period H the clothes are agitated in the
ting operation.
The shaft 96a constantly is under a clockwise
second rinse water. During this period all pump
(as viewed in Fig. 12) turning impulse under the
ing operations are stopped and the agitator. is
50" action of spring I38, so that it moves from the
actuated since'relay i it is closed.
position shown in Fig. 12 only when turned by
Thereafter, during period I, the ?nal cen=
drive crank 99. When the control mechanism
trifugal spinning action takes place, and the
is. reset by the user, and when handle 91 is pulled
second rinse water is directed into reservoir M
for use with the next subsequent batch of clothes
because cams NH and I02 close their respective
contacts H5 and lit to spin'the tub and to
energize valve 8'! and direct the extracted rinse
water into reservoir 2i.
. .
The continued rotation of the control device
brings the arm I00 into engagement with the
switch I2I at point I2Ia (Fig. 12) toopen its
contacts. The opening of contacts I2i stops the
motor 33 and stops all operations, so that the
washed and dried clothes can be removed from
out the shaft 960. is returned to the Fig. 12 posi
tion by spring I38 and is held with pin I00 against
stop I39. This returns shaft 96 and knob 98 to
“zero” position. The user then turns knob‘ 98
to the desired washing period of 5, 10, 15, 20 or
other desired number of minutes. I
The moving parts of the driving mechanism are
enclosed in casing I50 which swings from rods 14
The casing I50 is partially ?lled with oil, ‘so that
allof the moving parts of the driving mecha
nism are lubricated by the splash system.
While the form of embodiment of the inven
the tub It during the inde?nitelylong period of
tion as herein disclosed, constitutes a preferret
time J during which all washing operations are
form, it is to be understood that other form‘
stopped. The next subsequent-batch of clothes
might be adopted as may come within the soup
is inserted in tub it during this period J, The
of the claims.
‘ ‘
reservoir 22 is re?lled with rinse water, the control
- What is‘ claimed is as follows:v
reset, and washing operations are repeated on the 70
1. A driving mechanism comprising a unidirec
next batch of clothes as previously described with
tionaily rotatable motor, a rotatable shaft, a re
respect to the first batch.
ciprocable shaft, a solenoid controller, means to
'When his desired to empty the machine of an '
drivingly connecting said motor to said 'rotat
liquids, the drain switch I22 is turned to the
able shaft when said controller isielectrically 1:
* drain position. The turning of this switch (indi 75
one condition, means for drivingiy' connecting
'5. A driving mechanism comprising a rotatable
said motor to said reciprocable shaft and for
sleeve and a reciprocable shaft coaxially ar
maintaining said rotatable shaft stationary when
ranged, a unidirectionally rotatable driving
said controller is electrically in another condi
tion, and common switch means for electrically
energizing and deenergizing said motor and sole
noid controller.
2. A driving mechanism comprising a sleeve
member and a shaft member coaxially arranged,
shaft, a reciprocating means operated by 'said
driving shaft for reciprocating said reciprocable
shaft, a clutch element operably connected to
said driving shaft, a clutch element operably con
nected to said driven shaft, a .spring means for
one of said members being a rotatable member 10 yieldingly urging said clutch elements together
to provide a rotatable driving connection between
and the other being a reciprocable member, a
the driving shaft and said sleeve, a movable brake
unidirectionally rotatable motor, a solenoid con
element for engaging one of said clutch elements
troller, means for drivingly connecting said mo
to separate the elements and to stop the rotation
tor to rotate said rotatable member when said
of said one element, a slidable shaft for support
controller is electrically in one condition, and
ing said brake element having an armature
means drivingly connecting said motor to recipro
thereon, and an electromagnet coil surrounding
cate said reciprocable member while maintain
,said armature for operating said shaft.
ing said rotatable member stationary when said
6. A driving mechanism comprising a rotat
controller is electrically in another condition,
able sleeve and a reciprocable shaft coaxially ar
and common switch means for electrically ener
gizing and deenergizing said motor and solenoid
3. A driving mechanism comprising a rotat
ranged, a unidirectionaliy rotatable driving
shaft, a reciprocating means operated by said
driving shaft for reciprocating said reciprocable
shaft, a multiple disc clutch including a plural
able sleeve and a reciprocable shaft coaxially ar
ranged, a rotatable driving means, a reciprocat
ing mechanism operably connected to said re
ity of clutch discs operably connected to said
driving shaft and a plurality of clutch discs oper
ably connected to said sleeve, a spring means
acting on one of said clutch discs for yieldingly
urging said clutch discs together, a movable brake
element for engaging the one clutch disc on
which the spring means acts for disengaging the
multiple disc clutch and stopping the rotation of
one set of discs, and means for moving said brake
ciprocable shaft for changing rotary motion to
reciprocating motion, means providing a relatively
stationary surface, friction clutch means operable
into interconnecting relationship between said
sleeve and either of said means, and means for
connecting and disconnecting said driving means
and said reciprocating mechanism.
4. A driving mechanism comprising a rotat
element into engaging position.
able sleeve and a reciprocable shaft coaxially ar- ;
ranged, a unidirectionally rotatable driving shaft,
7. A driving mechanism comprising a rotatable
sleeve and a reciprocable shaft coaxially ar
a. reciprocating means operated by said driving
ranged, a, unidirectionally rotatable driving
shaft for reciprocating said reciprocable shaft, a
clutch element operably connected to said driving
shaft, a clutch element operably connected to
said driven shaft, a spring, means for yieidingly
urging said clutch elements together to provide a
shaft, a reciprocating means operated by said
driving shaft for reciprocating said reciprocable
rotatable driving connection between the driving
shaft and said sleeve, a movable brake element
for engaging one of said clutch elements to sepa~ 45
rate the elements and to stop the rotation of said
one element, and means for moving said brake
element into engaging position
shaft, a ?rst clutch means for causing the driv
ing, shaft to reciprocate the reciprocable shaft, a
second clutcnmeans for operably connecting said
driving shaft to rotate said sleeve, a ?rst solenoid
for operating said first clutch means, and a sec
ond solenoid for operating said second clutch
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