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Патент USA US2112514

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March 29, 1938.‘
w. P. BEATTIE ET AL
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2,112,514
DUMP WASHER
_
Fliled April 4, 1933
5 Sheets-Sheet ~l
lllllllll-l l l 1 I \
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WILL-HIM P. 3:717'775
Y ‘GEORGE W. Jail/{8M
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ATTORNEYS
March 29, 1938.
w. P. BEATTIIE ET AL
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I
_ 2,112,514
DUMP WASHER
Filed April-4, 1933
5 Sheets-Shem‘. 3
INVENTORS
WILLIAM F.‘ .BE/ITT/E
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BY
seams: w.
JOHNSON
W, @zy-mnyw
A'ITORNEYS
March 29, 1938.
w. P-. BEATTIE ET' AL
DUMP WASHER
‘ 2,112,514 - '
‘
Filed April 4, 1933
5 Sheets-Sheet _4
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INVENTORS
WILL/4M P. BEHTTIE
BY era/fa! w. JOHNSON '
ATTORNEYS
29, 1938. I‘ '
w. P. BEATI'IEl ET AL
2,112,514v
DUMB WASHER
' Filed April 4, 1933
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Patent-ed Mar. 29, 1938
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2,112,514 _
' UNITED STATES PATENT‘ OFFICE"
now: 11:51:11“ 7’
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American Laundry Machinery Company, Nor.
wood, Ohio, a corporation of Ohio
‘.
Application April 4, 1933, Serial No. 664,388
'7 Claims. (Cl. 68-18)
This invention relates to laundry washing ma- and 7. As indicated Fig. 8, the cylinder l is
chines of the type which comprises as its prin- mountedfor rotation about its axis, in a base or
cipal parts a perforate work container mounted frame 6, the cylinder having stub shafts 1 bearing
for reversing rotation on a ?xed axis, and ,a
in the base.
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5 liquid-receiving tub for said container wherein
That the Cylinder may be rotated. a gear 3 is
the detergent liquid is so disposed that the work secured upon the projecting end of each Stub
in the rotating container is alternately sub-. shaft, and a reversing motor 9 has driving 60h
merged and withdrawn from the liquid.
nection with both the gears 8_ through any suit
More particularly this invention pertains to able gearing such as that indicated Figs. 1—3
10 such apparatus wherein the tub is arranged for - vThe tub 2 is cylindrical, disposed ooaxially of 10 _
adjustment ‘about the cylinder for convenient the cylinder I. and mounted on the frame 6 for
loading and unloading of the latter and for quick adjustment about its axis as by the end bearings
draining of the tub. Such general type of ma- ' at ID. The tub has a loading and unloading
chine is exemplified in the patent-to White, No. opening controlled by a door or doors H mount—
1,; 1,775,879 of September 16, 1930, and the objects- ed for circumferential sliding movement as indi— 15
of this invention are generally to provide improvements on the arrangement there shown.
Gated Figs- 4—7, and longitudinally coextensive
with the door-controlled openings of the cylinder
More particularly an object of the invention is
‘to provide that operation of the parts be auto-
and all of these openings preferably extending
substantially ‘the full length of the container -
no matic so far as possible, under the control of the cavities which they serve.
20
operator, so that the latter will be relieved of
As to circumferential extent of the doors, since
unnecessary labor and the operation of the ma- ' the cylinder has three equal compartments each
chine speeded up yet ‘without danger to the
subtending 120°, each compartment door 5 is 60°
operator.
and moves 60°, while the tub door means I I pref
'
_
The exact nature of the invention together
with further objects and advantages thereof will
be apparent from the following description taken
in connection with the accompanying drawings,
in which Fig. 1 is a front elevation of a washing
no machine embodying the invention; Figs. 2 and 3
erably is arranged to'provide 120° of opening-
25
The tub is also provided with a relatively nar
row longitudinally extending drain opening ‘l2 so
located with respect to the tub loadingv and un
loading opening that both openings lie preferably
on the same side of' a diametrical plane, or at '30
are right and left end elevations of the same;
least as close together as consistent with the re
Figs. 4 to '7 are conventionalized showings as in ' quirement that when the tub is in washing posi
typlcal transverse section through the machine,
illustrating its manner of operation, Fig. 4 show3; ing the parts as during the washing operation,
Fig. 5 as in loading, Fig. 6 as in draining, and
Fig. 7 as in unloading;'Flg. 8 is a sectional eleva-
tion as in Fig, 4, both openings are disposed well
above the desirable level of the detergent or
rinsing liquid in the tub.
' 35
That there be no loss of the liquid from splash
during the washing operation, a stationary cover
tion in theaxialplane of the machine illustrated
Figs. 1-3; and Fig. 9 is a wiring diagram of the
I3 is provided for registry overlying the opening
12 when the tub is in washing position. Prefer-1
ably the cover l3 forms a part of a shield I4 40
_4() electrical means employed for control and drive
of the machine.
_
which extends downwardly to a mouth l5 at the '
With reference now to the drawings, l is the bottom of the apparatus adapted to discharge _
work container or washing'cylinder and 2 the tub '‘ into a suitable drain. '. Thus when the tub is ad- »
therefor. *
45
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The cylinder I has a pair of imperforate end
justed backward, clockwise from the position of
Fig. 4 to the draining position, Fig. 6, the liquid 45
walls, the cylindrical wall between which is 10raminous as usual in the art. The cylinder here
shown is known as the Y compartment type,
will be discharged from the tub, whence it will '
?ow away within the shield H to the drain. The
opening “extending the full length of the tub,
having radially disposed partitions 3 dividing the
the tub will be quite emptied of liquid by the
‘50 cylinder into three longitudinally extending compartments 4 of equal size. For each compartment
a sliding ‘door 5 is provided with a corresponding
opening, by which ‘arrangement the compart-
time it reaches the position of Fig. 6 so that it 50
may be immediately returned to the next desired
position.
The tub may, be adjusted forwardly from its
ments may be closed as in Fig. 4, or their doors ' washing position to the dumping position illus
55 opened for loading and unloading as in Figs. 5
trated Fig. 7, in which the contents of any of- 55
2,112,5[14
the compartments .4 whose 'door I is open and
which may be disposed forwardly as at 44, will
be discharged by gravity.
That the tub may be adjusted between its de
scribed positions, a segmental gear I‘ is secured
thereon as at one end, and amotor l‘l arranged
to drive the gear it through any suitable gear
ing such as that illustrated. That washing liquid
may be supplied to the tub, and quickly, piping
10 I8 is arranged to deliver through openings I! in
’
7
the washing cylinder may be caused to advance
step by step one-sixth revolution at a‘ time, and
the timing of the cut-out switches being such
that the ?rst step of advance will properly index
the cylinder as described, all as will be apparent
to one familiar with the art.
'
Switch 29 is an emergency switch whereby the ‘
cylinder may be operated in reverse direction in
case of accident, though‘ the tub doors be open. _
Adjustment of the tub through the operation
the base 6 at both ends of the tub; and. that the ' of its motor I1 is controlled as follows: A cam
entering liquid be kept clear so far‘as possible 33' is secured upon the tub for actuating engage
from the cylinder and tub bearings, pipes 24 are
ment, as the tub moves, with the operating levers
arranged to lead fromrthe passages is down
of a number of automatic switches I4, 35, II’
wardly as shown Fig. 8.
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_ Both cylinder and tub are operated by power,
and 42, mounted on the baseframe 5 and shown 15
each by its own driving motor, control of both
motors being‘ semi-automatic, subject to the will
of the operator, and also for safety subject to
certain interlocking arrangements to be de
scribed.
.
1 The cylinder-driving motor 2 ha an associated
' casing 2| within which are located some of its
control switches including an automatic revers
ing drum contact mechanism 2|’ timed with the
motor as by any suitable connec?on including’
. the chain drive indicated at 22'.
The cylinder
reversing mechanism is indicated Fig. 9, and
the arrangement as later described in greater
detail will be recognized by one familiar with the
art, as adapted to effect periodic reversal of the
cylinder during the washing operation._ A motor
brake indicated at 22 may be included in‘the
control means for maintaining the cylinder pod‘
tion when its motor is oil.
'
A switch 24 is provided, and arranged to be
automatically closed when the tub doors arerfully
' closed, and to be otherwise open. vThis switch
24 is in circuit with a two-button stopand start
switch 25, which-is a control circuit for placing
the cylinder in automatic reversing operation.
The arrangement is such that both switches 24
and 25 must be closed. before the cylinder may
have. operation. 25 is thus a hand-operated
switch by which the operator may initiate auto
matic cylinder-reversing operation by placing
the switch in the full-line position of Fig. 9, but
only if the tub doors be fully closed.
26 is an automatic self-closing switch arranged
to be held
fully closed
circuit with
circuit may
open only when the tub'do‘ors are
as shown in Fig. 1. It is in series
the start-stop switch 25 so that its
be closed only when the switch 25
Figs. 2 and 9.
A push button switch 32 pro~> . .
vided on the control board of'the machine is
arranged to e?ect ‘closing of the circuit of the
tub drive motor H to move the tub forwardly,
clockwise, from the washing position of Hg. 4
to the drain position Fig. 6f As the tub attains
the drain position its cam 33 engages the actuat~
ing lever of ‘the switch 34 to open this normally
closed switch. Switch 35 is biased toward closed
position but is held open when the tub is in
normal washing position as shown in Fig. 2.
Switch 35 closes as soon as the tub leaves this
position to set up'a circuit (later described) by
which the motor -i‘|' automatically reverses and
returns the tub counterclockwisefrom draining
position. _ As the tub resumes its washing posi
tion the cam 33 engages the switch 35 to open
its circuit and stop the tub.
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A push button switch 4i is also provided on‘the
control panel, in‘ the circuit of the tub-actuating
motor ll. ' This switch effects adjustment “the.
tub from loading position. that ‘of. Fig. 5, to
dumping position, that of Fig. 'I. As the tub
attains dumping position, following operation of
the‘push button 4|, its cam 33 engages the actu
ating lever of' the switch 42, opening the motor
circuit and’thus automatically stopping- the tub
in dumping position.
A push button switch 43 is provided in the tub
motor circuit for returning the tub from dumping '
position to loading position.‘ Closing of the
switch 43 by depressing its button causes reverse.
operation of- the tub motor to move the tub
clockwise. Following this motion, as the tub
attains loading position, that of Figs. 2 and 5,
the cam 33 engages the actuator of the switch I!’
to open the latter and thus automatically stop
the tub.‘
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is in stop position (broken lines, Fig. 9) and thus
the cylinder stationary. When the switch 28 is
closed it. places the push button switches 21, 28
and 20 in‘circuit for hand control of the cylinder
drive motor 5 for operation of the latter to
move the cylinder subject to hand operation and
manipulation of the switchs 21, 2. and v2!.
located on the control board for convenient reach
' Switches 21 and 21 are placed in circuit through
‘by the operator to stop all motor operation in
drum contacts ll and II. These hand-operated
As will be‘appreciated by one familiar with the I ’
art. and as is indicated Fig. 9, the described
operator-operated push button switches arein
control circuits and not in .the main motor cirq
cults.
The usual line cut-out switches. 53 are
provided and a safety switch 52 is preferably
emergency.
Operation will be as follows, commencing with
the cylinder empty, its compartment doors and
venient to the operator at the front of the ma
the tub. doors open and the parts otherwise posi
chine as shown‘ Figs. 1 and 2.
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The switches 21 and a, when either is de- ' tioned as in Fig. 5.
The near compartment is loaded with work‘
pressed, cause actuation of the .wlinder drive
and its door 5 closed. Push button switches 21:
motortoindex the washingcylindertotheposi
tion of Fig. 5; and thereafter whenthe other is and 28 are next successively closed to rotate the
70 depressed the cylinder willlbe called to move cylinder forwardly in two steps of 60' each,
counterclockwise 60“. These switchs 21 and 28 bringing the next compartment'into registry with have associated timed cut-out switdia I. and the tub opening. This second comment is
SI located in the controller casing 2| for the loaded, its door closed, and the same procedure
The
motor 0; the arrangement being (me whereby, by - followed in loading the third compartmen
switches are located in‘ a control board con
.75 alternate operation of
switch. 2‘l'and 24,
cylinder is then completely loaded.
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2,112,514
Detergent liquid having been introduced into
the tub to the proper level, by way, of the pipe
I8, the tub doors II are closed. This closes the
switch 24 in the cylinder motor circuit, opens
the switch 26, and the cylinder is started in its
automatic reversing operation in the washing
cycle by throwing the switchl25 to the full line
position of Fig. 9.
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The work in the several compartments is tum
bled about, successively submerged and raised
10
from the liquid as in the usual manner of oper
ation of washing apparatus having this type of
cylinder. During the washing operation changes
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I 03, transfer switch 25 (in run position, full
lines, Fig. 9), line I04, tub door interlock switch
24, line I05, line I06‘, line I01, coil of-transfer
relay, line I08, line I09, line IIO, line III, through
safety switch 52, line II 2, overload relay contact
H2’, line II3, pilot fuse, line II4 to source L3.
This circuit energizes the coil of the transfer
relay effecting opening of the two normally closed
contacts and closure of the‘ three normally open
contacts which are incorporated in this relay.
10
The closure of the relay contacts establishes
additional circuits as follows:
Brake release from source LI through line I0 I,
of liquid as from detergent to rinsing liquid, pilot fuse, line I02, safety switch 52, line I03,
are made by the operator’s depressing the drain ' transfer switch 25, line I04, door switch '24, line
I05, line I06, transfer relay contacts, line I2I,
button 32. When the tub is in washing position
splash caused .by cylinder operation does not
result in lossv of liquid because the drain open
ing I2 is closed by the cover I3. Depression of
20 the drain button causes rotation of the tub from
the position of Fig. 4 to that of Fig. 6, with auto
line I22, brake coil 23, line I23, line .I09,\line
H0, line III, safety switch 52,'line II2, over- 7
load relay contact II2’, line II3, pilot fuse, line
II4 to source L3.
20
The energizing of the brake coil which is elec
matic return to that of Fig. 4, the cylinder con- . tro-magnetic type releases the brake shoes and
, tinuing in its automatic operation during this maintains the shoes released as long as the circuit
through the coil maintains.
tub adjustment. Each such tub adjustment ef
26 fects drainage of the tub liquid, which‘ is replaced
by new liquid through the pipe I8.
_
After the washing operation, the cylinder is
stopped by throwing the switch 25 tothe broken
line position of Fig. 9. The tub doors I I are next
30 fully opened to the position of Fig. 5, which auto
matically opens the switch 24 so that the cylinder
cannot be restarted into automatic operation,
and closes switch 26 in the forward operating
circuit of the cylinder motor subject to the push
35 button switches 21, 28 and 29. Depression of the
switch ' 21
adjusts the cylinder forwardly or
counterclockwise, Figs. 4 to '7, until its nearest
compartment registers with the tub opening, and
consequently until the door 5 of such compart
40 ment, which is then closed, registers with the
rotati0n).—From source LI, line I M , pilot fuse,
line I02, safety switch 52, line I03, transfer
switch 25, line I04, door switch 24, line I05, line
I06, contacts of transfer relay, line I3I, through
contacts A of motor driven reverse drum, line 30
I36, line I31, contactor coil E, line I38, line I34,
line I35, line III, safety switch 52, line II2, over
load relay contact II2', line II3, pilot fuse, line
II4 to source L3.,
_
Cylinder motor (9) reversing circuit (reverse 35
rotation) .--From source LI, line "I, pilot fuse,
line I02, safety switch 52, line I03, transfer switch
25, line I04,‘ door switch 24, line I05, line I06,
contacts of transfer relay, line I3I, through con
tacts B of motor driven reverse drum, line I32, 40
lower or forward half of the tub opening as in
line I33, coil F of contactor, line I34, line I35,
Fig. 5.
line I I I, safety switch 52, line I I2, overload re
This compartment door is then opened
by the operator.
lay contacts II2', line II3, pilot fuse, line II4 to
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The tub is next adjusted to theposition of Fig.
45 7_ by depression of the push button switch 4I.
so
. , Cylinder motor (9) reversing circuit (forward
Depression of the switch button 21 or 28 now
causes 60° advance of the ‘cylinder from the
position of Fig. 5 to that of Fig. 7 which permits
the work in the near compartment to ‘slide out
wardly through the door opening of the compart
ment into suitable means provided for trans
porting the work away from the machine. The
other push button 21 or 28 is next depressed
causing 60° advance of the cylinder 'to bring
55 its next compartment to the position of Fig. 5.
After opening of the door of this second com
partment the cylinder is again advanced, as in
the case of the ?rst compartment and its load
permitted. to be discharged by gravity. The. third
60 compartment is emptied in the same manner,
leaving the parts as in Fig. ‘7 and the machine
ready to be reloaded for the next washing oper
ation. This completes the cycle of the machine.
The control circuits through which thema
chine is operated in the normal operating cycle
are as follows:
’
source L3.
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The effect of these motor reversing circuits is
to alternately and at predetermined times cause
closure of the forward and reverse contacts which
are part of the controller and in this way accom
plish reversing of the machine through the re-'
versing of the cylinder drive motor .( 9).
50
Cylinder motor (9) accelerating circuit.--From
source LI through line IOI, pilot fuse, line I 02,
safety switch 52, line I03, transfer switch 25, line
I04, door switch 24, line I05, line I06, through
contacts of transfer relay, line I39 to contacts C 55
of motor driven reverse drum, line I40, contactor
coil G, line I35, line I I I, safety switch 52, line II2, ‘
overload relay contact I I2’, ‘line I I3, pilot fuse,
linevII4 to source L3. -
The purpose of the accelerating contactor is to
remove. from-the circuit at predetermined times ‘
the reactance in series with the motor windings.
'This reactance reduces the voltage and conse
quently the torque of the motor at the moment of
65
reverse and lessens the shock .to the machine.
The reversing controller disclosedv and the .
Assume the machine loaded, the doors closed ‘transfer relay which is part of this control are ,
old and well’ known in the art. See patent to
and therefore the interlocking switches complet
ing the circuits for which they are intended and R. G. Lockett 1,819,823 dated August 18, 1931 and
the line switches 53_both closed thus establishing previous patents.
The established circuits, as disclosed, function
an electric service to the machine. Closure of a
to, maintain the machine in operation until such
safety switch 52 starts the machine by estab
circuits are interrupted ‘purposely -or_ otherwise.
lishing the starting circuit.
Starting circuit.—From source LI through line ' such as by the opening of the safety switch 52, the
IOI, pilot fuse, line I02. safety switch 52, line
45
opening of tub door switch 24 etc. and the cir
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2,112,514
cults outlined represent the normal circuits re
quired by the machine. during the normal wash
Assuming that the washing operations have
been completed and the machine is to be unloaded,
the ?rst step ‘required is to dump the washing
liquids from the tub and this is accomplished by
moving the tub through circuits established as‘
follows:
' Tub‘motor dump clrcuit.—From source LI line ~
line III, pilotjfuse, line I52, safety switch 52, line
I55, transfer switch 25, manually‘ moved to inch
ing position (broken lines, Fig. 9) , line "5, switch
25, closed by opening of tub doors, line I'II, line _
25!, contacts of pushsbutton II, depressed by ‘op
water, line 255, switch 1,52, line 255, ‘line I55, coil
Dof contactor,line I5'I,line I55, line “5, line III,
safety switch _52, line I I2, overload relay contacts,
line “5, pilot fuse, line IlltosourceLl.
,
The establishment of this circuit causes move
"I, pilot fuse, line I52, safety switch 52, line I55, '_ ment over and toward the operator of the tub,
transfer-switch 25, line I55, door switch 25, line
I5I, push button 52, depressed by the operator,
line I52, line I52, tub movement limit switch 55,
15 line I55, normally closed push button ll, line I55,
line I55, coil D of contactor, line I5'I, line I55, line
III, line III, safety switch 52, line II2, overload
relay contacts, line III, pilot fuse, line H5; to
source L5.
The energizing of the contactor coil D closes the
contacts which energize the motor II for moving
the tub and causes the tub to move through a
predetermined arc. As the tub is moved the drain
opening moves from the normal position, above
25 the center line of the machine, to an approximate
low vertical position and the liquids flow through
this opening into the drain underneath the. ma
chine.
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such movement continuing as long as the opera-'
tor maintains push button 5| depressed or until
the maximum predetermined movement has oc
curred when switch 52 is mechanically opened, in
terrupting the circuit and stopping movement- of
the tub.
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Tub motor reversing circuit-From source LI, 20.
line I5I, pilot fuse, line I52, safety switch 52, line‘
I55, transfer switch 25, line "5, door switch 25,
line I'll, line_25l, line 252, contacts of push but
ton 52, depressed by operator, line 255,- switch 55',
line 255, line I55, coil D’ of contactor, line I55, 25
line I55, line, IIII, line III, safety switch 52, line
II2, overload relay contacts, line II5, pilot fuse,
line Ill to source L5.
.
.
To obtain opposite movement of the tub if
needed a second circuit is provided, being:
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, This circuit closes the contactor which gives
As soon as the tub starts itsdumping move
reverse movement of ~tub drive motor", such 30
ment switch 35 closes so as-to establish a circuit
, for energizing contactor coil D’ as soon as switch ' movement continuing as long as the push button is‘
I55’ closes.
_
When the tub reaches the predetermined point
of maximum movement switch 35 is mechanically
opened which deenergizes coil D and permits
switch I55’ to close.
The closurev of switch ,I59'_ initiates the follow
ing circuit, the purpose of which will be given after
the circuit is outlined.
40
Tub motor reverse circuit-From source LI
through line Ill, pilot fuse, line I52, safety switch
52, line I55, transfer switch 25, line I55, door
switch 25, line I55, line I59, normally closed con
tact I55’ of contactor, line I55, switch 55, line IGI,
normally closed push button 55, line I52, line I53,
maintaineddepressed or until the limit of allow- I
able movement is reached at which time switch
35' is opened and stops further movement of the
tub.
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Having, as indicated in the foregoing, brought
the tub to the required position for the unloading
of the machine, the next requirement is to move
the cylinder and the various pockets thereof to ,
registry with the tub opening and in proper posi 40
tions for the dumping of the load from the cylin
der and the introduction of new work into the
cylinder for process-n8‘-
As the cylinder‘ disclosed is multi-pocket type
this requires the registry of the cylinder through
coil D’ of contactor, line I55, line I55, line IIII,
a number of positions and the circuits required
line III, safety switch 52, line “2, overload relay
contacts, line I I3, pilot fuse, line I I5 to source L5.
are as outlined below.
45
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y The opening of the vtubdoors have mechani- '
cally caused the opening ‘of switch 25 and the
closure of switch 25 and thereby the interruption 60
establishing circuit to the tub moving motor (I1) , 7, of'the running circuits and the establishment of
causing reversal of the direction ,of rotation of the circuits required for inching movement of
The effect of the described circuit isto energize
the second coil D' of the contactor which closes,
such motor and the return of the tub to its origi
the cylinder.
'
'
'
The normal movement of the cylinder is over
and toward the operator or in a counter-clockr
the center line of the machine.
When the tub reaches this normal position the .. wise direction. as shown in I'igs.,5 and "l, and the
nal position with the dump} opening again above
described circuit is interrupted by the mechanical
opening of switch 55.
It will be noted that there is a possibility‘ of the»
contactor: opening due‘ to a momentary opening
of a switch in the energizing circuits therefon. To
description of the following circuit which refers
to the movement of a single pocket.
can be amnned as referring to the movement re
quiredfortheloadingof any orallofthepockets
as the same circuit is needed for each pocket
insure continuity of feed to the contactor coils in, - moved to the unloading and subsequently to the
such a contingency, an auxiliary feed is provided
from source Ll through line 2| I, such, feed being '
established and maintained only as long as either
of the contactors are closed. ‘
.
The machine is now ready for the withdrawal of
the work which has been processed and the vnext
I step toward this is the opening of the tub doors
'7.5
Cylinder unloading circuit-From source Ll
through line "I, pilot fuse,,l*ne I52, safety
switch 52,- line I55, transfer switch 25, now in
inching position, line "5, door switch 25, now
closed, line I'II,line "2, contacts ll of drum 2|’,
line-I'll, contacts of push button 25, depressed
manually to provide access to the cylinder within
by operato , line I'll, line I15, normally closed
which the clothes were processed. With the tub
doors fully opened the tub is rotated to a prede-'
termined dumping position. The circuit through
Eofcontactonline I85, line I55, line I85, line III,
safety switch 52, line “2, overload relay contact,
which this is accomplished being:
Tab motor unloading circuit-From source LI,
contact of transferrelay, line 1", line I21, coil
line III, pilot fuse, line lit, to source L5.‘
The closure of push button 25 by the operator 15
2,112,514
other than that E usedfor the normal inching of
energizes the coil of the forward contactor and
causes movement of the cylinder drive motor (9)
and consequently of the cylinder of the machine
the cylinder and provides for reverse movement '
in the desired direction, such movement con
included in this circuit for automatic ‘stoppage
of the cylinder and ,therefore‘such reverse cyl
tinuing while the operator maintains the push
button depressed within the limits ?xed by con
tacts 3I which are normally closed and which
open when the cylinder has rotated through the
of such cylinder, no provision, however; being
inder movement‘ will continue as long as the
operator maintains pressure on push button 28.
The feature disclosed in the inching circuit,
whereby the cylinder automatically stops when
reaching a predetermined position, is old in the
_ The opening of contacts 3I is caused mechani
cally by the cylinder reaching a ?xed point and ‘art and has been disclosedas part of the R. G.
Lockett patent and others, referred to in the fore
the circuit is interrupted at’ this point irrespec
tive of whether the operator maintains the push 5 going. The actual motor circuits are not de-.
maximum vsafe movement.
_
_
button depressed or not. The purposeof this
being to prevent excessive movement of the cyl-"
10'
scribed in detail as such motor circuits are those
commonly used for the operation and're'versal of
inder and consequent possible damage to the ma- . motors and the elements as disclosed are well
chine or the goods being discharged from same.
The foregoing of course presupposes the man
' ual opening of the cylinder door before the move-_
20 ment outlined is effected.
, The cylinder movement outlined is ‘repeated
for as many as there are divisions in the cylinder
or until such timeas the load is entirely dis
charged.
‘
*
,
The next step is then to recharge .the cylinder
with work to be processed and this is accom
plished through thelcircuit:
'
-
Cylinder loading circuit.—From source LI, line
IOI, pilot fuse, linev’l02, safety switch 52, line 103,
30 transfer switch 25, line I10, door switch 26, line.
"I, line I12, contacts 30, line I18, push button
21, closed by operator, line I18, line I80, line I15,
normally closed contact of transfer relay, line
I11, line I31, coil E of contactor, line I38, line I34,
line I35, line III, safety switch 52, line II2, over
load relay contacts, line II3, pilot fuse, line I“
to
source L3.
'
.
‘
The difference in effect between this circuit
and the one immediately preceding is in the fact
40 that a separate set of switches is utilized to pre
vent cylinder movement beyond a predetermined
point, the position in this case differing from the
known in the art.
What we claim is:
'
.
-
'
1. In a machine of the class described and
having a rotatable perforate washingrcylinder 20
and a tub therefor, said parts having work
receiving openings regist'rable for loading and
unloading said cylinder, and said tub having a
drain opening for discharge of washing ‘?uid,
said cylinder being mounted for washing rota
v
tion about a horizontal 'axis, said tub being
mounted for adjustment about said axis between
a washing position wherein its worklreceiving
opening extends thereabove, an unloading posi—
tion wherein its work-receiving opening extends SI)
therebelow, and a draining position wherein its
drain opening is positioned to‘ discharge by grav
ity, said drain opening being located relative to .1
saidv tub work-receiving opening to be above the
liquid level in said tub when the latter is in said 35
washing position, power actuating means for said
tub and control means for said power means
including means actuable by the operator when
‘said tub is in one of said positions forpreselect
ing another of said‘ positions and for initiating
tub movement theretoward, said control ‘means
providing means for stopping said power means
predeterminedv point established by contacts 3| ’ and terminating said tub movement automati
cally upon attainment by said tub of its prese- .
and ?xing the dumping movement limits.
lected position.
In the case of both the circuits for the obtain
2. In a machine of the class described and
ing of the dumping and loading-positions the
having a rotatable perforate washing cylinder,
brake must be released coincident with the ener
sizing of the cylinder drive motor 9 and this is ‘ a coaxial cylindrical tub therefor, said parts hav
ing work-receiving openings registrable for load
accomplished through the circuit:'
From source LI, line . IOI, pilot fuse, line I02,
safety switch 52, line I03, transfer switch 25,
line I10, door switch 26, line I'II, line I12, con
tacts 30 or 1“, lines I13 or I18, push- buttons 21
or 28, lines I8I 0r HIS-I81, I82, I83, I84, I85,
line I22, brake coil 23, line I28, line I09,'line' IIO,
' line II I, safety switch 52, line I I2, overload relay
contacts, line I I3,.pilot fuse, line II‘ to source L3.
This circuit for the release of the brake is du
plicated to release the brake under the conditions
so
ing and unloading said cylinder with doors for '
said openings, said tub having a drain opening
for discharge of washing fluid, said cylinder be
ing mounted within said tub for‘rotation about
a horizontal axis, said tub being mounted for
adjustment about said axis between positions in- .
eluding a washing position and a draining posi
tion, said drain opening being located insaid tub ,
for discharge by gravity therefrom when the tub
is in draining position and for elevation above
outlined in ‘the following when it is assumed that . the tub liquid level when the tub is in washing
for pertinent reasons it is desirable to move the position, and stationary closure means coopera
cylinder in a direction opposite to that normally
used in the dumping and loading cycle.
The circuit through which this cylinder re
tive with said drain opening with valve. effect,
and arranged to register ‘with said drain open
ing to close the latter when said tub is in said
versal is accomplishedis as follows:
washing position.
'
'
From source LI, line IOI, pilot fuse, line I02,
safety switch 52, line I03, transfer switch 25, line
I10, door switch '28, line I1I, line IIII, push buts
ton 23, depressed by the operator, line I32, nor
mally closed contact of transfer relay, line I93,
line I33, coil F of contactor, line I34, line I35, line
I I I, safety switch'52, line I I2, overload relay con
tacta, line II3, pilot fuse, line Ill to source L3.
It‘ will be noted from the connectionfdiagram
75 that this circuit energizes the contactor coil ‘F
'
3. In a machine of the class described and
having a rotatable perfora‘e washing» cylinder,
a coaxial cylindrical tub therefor, said parts hav
ing work-receiving openings registrable, for load
ing and unloading said cylinder, with doors for
said openings, said tub having a drain opening
for discharge of washing ?uid, said cylinder be
ing mounted within said tub for rotation about
'a horizontal axis, said tub being mounted for
adjustment about said axis between a loading
'
2,112,014.
and washingl'position wherein its work-receiving
machine, said tub. openings being peripherally
opening; extends thereabove, an unloading posi
located to provide substantially 180° of tub con
tinuity therebetween at the bottom of the ma
chine, for a washing position, means for adjust
tion'_ wherein its work-receiving opening extends
therebelow, and a draining position wherein its
drain opening is positioned to discharge by grav
effect, and arranged‘ to register with said drain
10 opening to close the latter when said tub is in
‘ing said tub about saidaxis forwardly to a dump
ing position wherein the lower extremity of its
said work opening is 60° below said washing posi
tion thereof, and rearwa'rdly to a draining posi
tion wherein said drain opening ‘is substantially
at the bottom of the tub, means for adjusting
4. In a-machine of the'class described and‘
partitions extends horizontally toward the front
ity,. means for adjusting said tub between its
said positions,‘ and stationary closure means co
operative with said drain opening with valve
said washing position only.
~
said cylinder to a position wherein one of its
having a horizontally, disposed washing cylinder,
of the. machine, and means for thereafter ad,
a coaxial tub therefor. said parts being mounted
for independent rotation about their axis, said
cylinder being within said tub and having radial
partitions symmetrically disposed about said axis‘
to provide three compartments, and having, for
each compartment, a peripheral opening'adja
20 cent the leading partition, when the-cylinder is‘
vancing said cylinder in- steps of 60° each, to
provide‘ unloading and reloading positions suc
cessively for the several compartments, said tub
work opening extending peripherally 120° where- ‘
by, when said tub is in said dumping position,
access may be'had to a cylinder compartment
which is above the dumping position of said 0111-‘ 20
inder compartment.
.
forwardly, and a circumferentially slid
ing door for said opening, said tubhaving a work
6. In a'machine of the'class described and
opening at the front of the machine, overlying having a rotatable perforate washing cylinder “
_ the path of said cylinder openings, and having and a tub therefor, said parts having work
25 a peripheral drain opening at the back of the receiving openings'registrable for loading and 25
machine, said tub openings being peripherally ‘ unloading said cylinder, said cylinder being.
located to provide substantially 180° of tub con-, mounted for washing rotation about its axis, said
tub being mounted for adjustment about said
tinuity 'therebetween- at thebottom of the ma
axis between a washing position wherein its
chine, for a washing position, means for adjust
30 ing said tub about said axis forwardly to a dump
work-receiving opening extends thereabove and 30
ing position wherein the lower extremity of its an unloading position wherein its work-receiving
said work opening is 60° below said washing posi
opening extends therebelow, power actuating
tion thereof, and rearwar'dly to a draining posi
means for said tub and control means for said
tion wherein said drain opening is substantially power means including means actuable by the
at the bottom of the tub, means for adjusting operator when said tub is in one of said posi 35
said cylinder to a position wherein one of its tions for initiating tub movement toward the
partitions extends horizontally toward .thefront [other of, said positions, said control means pro
' of the machine, and means for thereafter ad
vancing said cylinder in steps of 60° each, to
provide unloading and reloading ‘positions suc
_ cessively for the several compartments.
5. In ‘a machine of the .class described and
' having a horizontally disposed washing cylinder,
a coaxial tub therefor, said parts being mounted
for independent movement about their axis, said
cylinder being within said tub and having radial
' partitions symmetrically disposed about said axis
to provide three compartments, and having, for
each compartment, a peripheral opening adja
cent the leading partition, when the cylinder is
viding for terminating said tub movement auto—
matically upon attainment by said tub of its said
other position.
‘
>
'L'In a machine of the class described and
including a rotatable washing cylinder'and a
tub therefor adjustable about a horizontal axis
to and from a draining position, said tub having
a drain opening, located to'dischar'ge washing
?uid when» said tub is in said draining position
and. to be, elevated when said tub is in other,
adiusted positions, means for adjustment of said
tub to said draining position, and means for ad
lusting said tub toanother position automati 50
rotating forwardly, and’ a circumferentially slid
ing door for said opening, said tub having a work cally responsive to its attainment of said drain
opening at the front of the machine, overlying ‘ing position.
the path of‘ said cylinder openings, and having
WILLIAM‘ P‘. BEAT'I'IE.
a peripheral drain opening _at the back of the
GEORGE w. JOHNSON. 66
>
‘K
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