Dish-washer.

F. H. sTEvENs.
DISH W?SHER.
1,139,313.
APPLICATION HLED MAY15, 1914.
Patented May 11, 1915.
3 sHEETs-SHEET 2`.
_El
M
F. H. STEVENS.
DISH WASHER.
APPLICATION HLED MAY 15. 1914.
'Patented May 11, 1915.
3 SHEETS-SHEET 3.
orr'icn
FRANK HOYT STEVENS, OFCOLORADQ SPBINGS, COLORADO.
' DISH-WASHÍER.'
Speci?cation of Letters Patent.
' 1,139,313.
.Application ?led May 15, 1914;
T0 all 'whom ?t may concem:
Be it known that I, FRANK HoY'r S'rnv
ENs, a citizen of the United States, resicling
at Colorado Springs, in the county of El
Paso and State of Colorado, have invented
-certain new and useful Improvements in
Dish-Washers; and I do declare the follow
ing to be a full, clear, and exact description
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10
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20
25
ratented May 11, 1915.
Serial No. 888,704. `
water hot; and also _for draining the water
from the tubs when it ecomes necessary so
to do.
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Having brie?y outlined my improved con-
'
struction, Il will proceed to descríbe the
same in detail, reference being made to the
60
accompanying. drawing, in which is illus
trated an embodiment thereof. "
of the inventíon, such as will enable others In this drawing, Figure 1 is a Vertical
skilled in the art to which it appertains to longitudinal
section taken through my im 85
make and use the same, reference being had
to the accompanying drawings, and to the
characters of reference marked thereon,
which form a part of this speci?cation.
My invention relates to improvements in
dish washers, my object being to provide a
construction of this class adapted to
thoroughly cleanse soiled dishes and at thel
proved` apparatus, the construction being
shown adapted for simultaneously carrying
on the dish washing and dish rinsing func
tions. This is a section taken on the line '
1_1, ›Fig..3. Fig. 2 is a top plan view of 70
the apparatus with the baskets 'and trays
removed. Fig. 3 is a section taken on the
same time, prevent breakage.
My improved construction may be adapt
line 3-3, Fig. 1. Fig.- 4 is a perspective
relatively large capacity. In fact, the ma-`
same parts in all the views.
View of one of the baskets. Fig. 5 is a
similar view ofv one of the tubs. Fig. 6'is a 75
ed to handle a large or small quantity of view showing the single tub form of con
dishes, as may be required. In hotels or struction, the tub and frame work being
other places where a comparatively large shown
in section.
number of dishes are used, the construction
The
_same
reference characters indicate the
may be arranged accordingly, or made of
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80
Let the numeralö designate an upright
chine may be made of any desired capacity. stationaryl
frame work, which is rectangular
Generally speaking, my improved con in shape and
provided at the top with par
30 'struction consists'of one or more tubs ar
allel side rails 6. Centrally vfulcrumed on
the lower part of the frame work as shown 85
responding number of baskets arranged` to at 7, is a walking beam 8, consisting of a- '
4enter the tubs as the latter 'are raised. central member 9 provided at its opposite
Where two tubs and two baskets are em _extremities with 4bifurcations composed of
35 `ployed, one of the tubs carries water for arms 10 and 12. The arms 10 are pivotally
washing the dishes while the other carries connected as shown at 13 with links 14, the 90
water for rinsing the washed dishes. In opposite
extremities of the links being pivot
this case the baskets are supported in such ally connected- as shown at 15, with the bot
manner that the' dishes, therein are sub' tom of the tu-b 16,,which carries the Wash
40 merged in the water of the tubs as the 'latter ing liquid which will consist ordinarily of
are raised. The baskets are' formed of mosh hot soa'p suds,.the same being designated by 95
material to permit the Water to .enter with the'
17. The arms 12 of the walk
perfect freedom either for cleansing or ing, numeral
beam are also pivotally connected as
shown at 18 with links 19 whose opposite `
VVhere the washing and ,rinsing fimctions extremities
45
pivotally connected as shown oo
are simultaneously carried on, the tub carry at 20, with are
the bottom of a tub 21, which
ing the Wash water is raised, while the tub carries the water for rinsing the dishes.. _
ranged to reciprocate vertically, and a cor
rinsmg purposes..
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carrying the rinsingwater is Iowered,-'the
Supported upon the side rails- 6 of the
two tubs being connected with the opposite frame
work are two baskets 23, one being
50 extremities of' a centrally fulcrumed lever. arranged to enter the tub 16 as the latter is
or 'walking beam, any suitable power being raised, while the other is arranged to enter
employed for- imparting the movement to the tub 21 as the
latter is elevated; these
_ the walking beam and to the tubs.
' Å
baskets are each equipped at its o_pposite
Provision is made for connecting the tubs
55
with exteriorly projecting brackets
.through the medium of ?exible hose pipes ends
24,.
the
.said brackets engaging the side ralls
wlth a source of steam for keeping the
105 I
6 of the frame and being readily slidable 11° '
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1,18e,818
thereon. Each tub is provided at its op the basket is properly ?lled with a supply
posite ends with a channel-shaped bracket of dishes, it is moved along from the frame
25, the said brackets engaging vertically dis members 51 of the extension, to a position
posed guides 26 mounted on opposite sides in engagement with the top rail 6 of the
of the frame. As the tubs are raised and main frame, and into such position that the
lowered, they are kept in their' proper ver dishes therein will be submerged by the
tical positions by virtue of the said guides y liquid in the tub 16, as the latter is raised
and their coöperatin bracket members. '
As illustrated in t e drawing, the neces
to the position shown in Fig. 1. As soon
as the dishes are properly cleansed by virtue
sary movement is primarily imparted to the of their being repeatedly subjected to the 75
action of the hot soap suds in the tub 16,
10
tubs by means of a motor 27 ,_ whose oper
ating shaft 28 carries a worm 29 engaging a
worm wheel 30 connected to operate a shaft
31 provided with a crank arm 32 which is
'15 pivotally connected as shown at 33 with a
pitman 34 .which is pivotally connected as
shown at 35 with the bottom of the rinsing
tub 21. As the shaft 31 is rotated, it is evi
dent that a vertically reciprocating move
20 ment will be imparted to the tub 21, which
movement will in turn impart an oscillating
movement to the walking beam, whereby
the two tubs 16 and 21 will be vertically
the basket 23 will be moved toward the
right (see Fig. 1) into a position directly
above a tray 52, into- which the drainage
water from- the dishes in the basket may
pass. This basket will then be moved far
ther toward the right and into position to
be submerged by the water in the tub 21,
as the latter is raised or moved to the posi
tion indicated by dotted lines in' Fig. 1. As 854
soon as the basket 23 has been moved from
the dish washing position, another basket
containing soiled dishes will be moved into
reciprocated, one always moving upwardly place. From this it will be understood that
25
while the other is moving downwardly. By the operation of Washing and rinsing the
9th
virtue of this arrangement, but little power dishes may be simultaneously carried on.
is required, as the tubs are identical in size As soon as the dishes have been properly
and consequently approximately of the same rinsed, the basket containing the washed
and rinsed dishes is moved farther toward
weight at all times.
The two tubs are supplied with water the right (see Fig. 1) or into a position 65
directly above a third tray 53, which may
receive the drainage water from the rinsed
dishes. As the water in the rinsing tub is
37 of this pipe leads to a faucet 38; while hot, the dishes Will dry by evaporation
35 another branch pipe 39 leads to a faucet 40. shortly after the basket 23 containing the 100
These faucets are respectively arranged rinsed dishes has reached the position di
directly above the two tubs 16 and 21 and rectly above the tray 53. From this it
their valves may be opened for the purpose will be understood that the washing, rins
of supplying hot water to the respective ing, and drying operation may be simultane
ously and continuously carried on, making 105
'40 tubs at any time.
For the purpose of draining the tubs, it practicable to handle practically an un
they are respectively connected by means of limited quantity of dishes, the work being ~
?exible conduits 41 and 42, with a drain thoroughly and expeditiously accomplished.
In the event that it is only desired to em
pipe 43, which may lead to the sewer. Fur
ploy a single tub containing Wash water, the 110
45 thermore, the tubs are respectively con
nected through the medium of ?exible pipes › construction shown in Fig. 6 will be em- '
44 and 45, with a source of steam through ployed. This is practically the same as
the agency of a pipe 46 provided with a shown in Fig. 1, except that the walking
valve 47. Between each of the ?exible pipes beam is dispensed with. Hence, the tub
50 41 and 42 and the drain pipe 43 is located a containing the Wash water, together with 115
30
from any suitable source. As illustrated in
the drawing, a pipe 36 is connected with a
suitable source ofhot water. One branch
cut-o?' valve 48. Under ordinary circum
stances, these valves 48 will be closed, ex
cept at such times as it may be desired to
drain the tubs. At the front of the machine
the upper part of the frame Work is pro
vided with an'extension 49 forming a sup
reference characters as 1n`the other views.
The trays 50, 52'and 53 are connected with
the'dram pipe 43 by pipes 54, 55 and 56, 12g
p
Having thus described my invention, what
port ‹_for a tray 50. The _top of this exten
sion is provided with side rails 51 adapted I elaim is,
55
to engage the-brackets 24 o
60
the corresponding parts of the Operating
mechanism, will be designated by the same
a basket 23.
One of the baskets is mounte uponthis ex
respectively.
1. Ina
washer, the combination with
a suitable "frame, of a basket slidable longi ma
;tension at the beginning of the operation tudinally thereon supported against down
vand it may be assumed` that the dishes to Ward movement and composed of material
be washed are placed therein. 'The tray 50 to allow the liquid to enter and escape
will catch any drainage from the dishes freely, a tub adapted to contain liquid, and
65
while the basket is in this position. After means for alternately raising ,and lowering
180
1.188.818
the tub to submerge the contents of the basket tubs at predetermined intervals, substan
at predetermined intervals, substantially as tially as described.
described.
_
6. The combination with a frame, of bas
2. The combination with a frame, of two kets slidably mounted thereon and com
baskets slidable longitudinally thereon and posed of mesh- material to allow liquid to
supported against downward movement and enter' and esca e freely, liquid containing
two tubs adapted'fto respectively 'contain tubs arranged' elow and in Vertical aline
50
55
washing and rinsing-liquid, and means for 'ment with the baskets, means for reciprocat
imparting a reciprocating movement to the ing the tubs to submerge the contents of the
tubs, whereby the latter lare brought into baskets at predetermined intervals, and ?exi
telescopic relation with the baskets at pre
vdetermined intervals. '
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20
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ble conduits connected with the tubs and
with a source of hot ?uid whereby the tem
60
3. The combination of a frame, baskets perature of the liquid in the tubs may be
mounted thereon and constructed to ermit maintained at the proper degree, substan
liquid to enter and escape freely, liquid con tially as described.
I
taining tubs arranged below and in Vertical ' 7. The combination with a frame, of bas 65
alinement with the baskets, a walking beam kets movably mounted thereon and suitably
whose opposite extremities are movably con spaced, tubs arranged below the baskets, a
nected with the respective tubs, and means walking beam centrally fulcrumed at a point
for imparting movement to the walking between the tubs, its opposite extremities
beam whereby the tubs are actuated to sub being respectively connected with the tubs,
merge the contents of the baskets in the means for imparting movement to the walk
liquid of the tubs at predetermined intervals, ing beam whereby the tubs are successively
substantially as described.
and alternately raised and lowered t_o sub
4. _The combination of a frame, baskets merge the contents of the baskets m the
mounted thereon and constructed to permit liquid at predetermined intervals. . i
liquid to enter and escape freely, liquid con'
8. The combination with a frame having
70
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75
w taining -tubs arranged below and 1n aline a forwardA extension, a tray mounted there
ment with the baskets, a walking beam whose ' on, other trays supported on the body of the
30
opposite extremities are connected with the frame and suitably spaced, baskets slidable
respective tubs, and means for imparting on the frame above the plane of the trays,
movement to one tub and thence to the walk liquid containing tubs arranged below and
80
ing beam and the other tub, whereby the con .in Vertical alinement with the baskets, the
35
tents of the baskets are ~submerged in the tubs and frame being equipped withmeans
liquid of the tubs at predetermined intervals, 'for Vertically guiding the tubs, means for. 1m
parting a reciprocating movement to the tubs
wardly of the tubs and between the'latter, whereby the contents of the baskets are sub
- and drain trays located forwardly and rear
merged at predetermined intervals, the bas
kets being movable on the frame to bring
40 kets slidably mounted thereon, liquid con them
into positions above the trays for dram
taining tubs arranged below the baskets and age purposes, a drainage condmt and pipœ
in Vertical alinement therewith, a walking leading fromthe trays to said conduit, sub-.
beam fulcrumed at a point between the tubs, stantially as described.
.
its opposite extremities being respectively
In testimony whereof I a?ix my signature
substantially' as described.
,
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5. The. combination with a frame, of bas
_connected with the tubs, and means for im
parting movement to the walking beam,
whereby the tubs are successively and alter
nately raised and lowered, and the contents
of the baskets submerged in the liquid of the
in _presence of. two witnesses.
'
'FRANK HOYT STEVENS.
Witnesses:
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I-I. HoY'r S'rnvnns,
-J. C. BUssEY.
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