close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2405832

код для вставки
Aug. '13, .1946.
23,405,82
O. E. JOHNSON
WRINGER
Filed. Sept. s, 1943
'
50
'
_
54,
2 Sheéts-Sheet 1
52
N
v
55
27'
ITH'H1'.
'
‘
54,
"-.:-~_ HM"
'.
J
.
"
Z5
,24
Aug. 13,1946.’
"O'.E.JOIHNSON
-
I
~ 2,405,832
WRINGER
Filed Sept.‘ e, 1945
2 Sheets-Sheét v2
‘ fizz/safer
0%? E Johnson,
Patented Aug. 13, 1946
2,405,832
UNITED‘ STATES PATENT OFFICE,’
'
2,405,832
WRINGER
Otto E. Johnson, Chicago; Ill.
Application September 6, 1943, Serial No. 501,352
1
2 Claims. (o1. 68-265)
This invention. relates to an improvement in
wringer construction for use in laundering oper
ations primarily‘ for dehydrating clothes after
they have been laundered preparatory to drying.
2
guard structure which is useful. and ei?cient in
‘its operation‘ as well as practical in" construction,
it being of such simple design as to permit eco
nomical quantity production thereof.
One object of my invention is to provide‘ safety 5
Other features and advantages resident in my
guards for a wringer so designed to protect the
invention will become apparent from an exami
?ngers of the operator. Clothes fed thru‘ the
nation of the accompanying drawings and refer
ordinary wringers make it necessary for an oper
ence to the ensuing description wherein like sym
ator to get an end of the garment close enough
bols are used to designate like parts, and in
to the rolls to be gripped,' and ofttimes operators 10 which:
in their effort to get the clothes started carelessly
Fig. 1 represents a front elevation of a wringer
or accidentally get their ?ngers caught between
incorporating the features of my invention with
the moving rolls and ofttimes the clothes after
a portion thereof broken. away in order to more
being started will have a tendency to catch and
clearly elucidate the nature of the construction
wind about the rolls. These are objections which
‘and utility of my invention.
are to be prevented by the use of such structure .
Fig; 2 is an end view of Figure l, with certain‘
as I have provided and which comprises my in
portions thereof in section in order to show more
vention, the object being to prevent accidental
clearly the structure of the component elements
grabbing or pinching of the ?ngers‘within the
comprising my invention.
wringer or between the rolls, and also to provide 20
Fig. 2a is a fragmentary end view showing the
means for‘ stripping the clothes and facilitating
rolls in their‘ outer-most position when looking at
their ejection from the opposite side of the
Figure 2, showing material fed between the rolls,
wringer thus preventing bunching' up and catch
showing at the same time the position of the
ing of the clothes about the wringer rolls. This
guard with respect to the movement occasioned
also‘ has a tendency to prevent injuring the 25 by the material being introduced between the
clothes and? thus makes for a more efficient oper-_
wringer‘ rolls.
ation.
Fig. 3 is a slightly enlarged fragmentary= top
Another object of my invention is to provide
view taken on the line 3'—-3 of Figure I,
‘guard means‘which are mounted on the roller‘
Fig. 4 is a perspective view of the upper guard
axis and which are‘ designed to operate with the 30 comprising my invention.
movement of the upper roller thus preventing the
Fig; 5‘ is a perspective view of‘. the lower guard
material from winding around the rollers and
comprisingmy invention.
causing harm to the material and preventing the
Fig. 6' is a perspective view of the guard mount
operator's ?ngers from being caught or impinged
and clearly illustrates the construction thereof.
in between the rollers;
Fig. '7v shows a schematic end view of a modified
Another object of my invention is to provide
form of upper guard structure comprising a part
guard means which Will permit‘ adjustment to
of my invention, the said view indicating the
compensatev for the wear of the rollers used in
position of the upper guard when the rolls are in
the wringer structure proper.
contact and when a piece of material is about to
Another object of my invention is to provide‘ a
substantially centrally positioned feeding opening
in the composite guard structure thus affording
the maximum of protection, inasmuch as the.
upper guard practically covers the rollers thruout
be fed therebetween.
Fig. 8' shows a view similar to Figure 7 showing
the material of a certain thickness which has
been interposed in between the wringer rolls‘ indi
cating the‘ actuation of the upper guard mem—
their entire length except for the said central. 45 bers,
feed opening, thus minimizing danger to'anyone
Fig. 9 shows the maximum opening between the
operating the wringer.
guard rolls when a rather thick piece‘ of‘ material
Another object‘ of my invention is to provide
has been introduced therebetween.
a wringer and guard structure which permits
Fig. 10» is a fragmentary top view of Figure '7
feeding‘ the material into the wringer' from either 50 elucidating more clearly the guard structure with
the right or left hand side, in which event the
rotation of the rollers is similarly reversed to
suit conditions; the direction of rotation being
away from the‘ operator.
Another object of my invention is‘ to provide a ' ‘
respect to its mounting for suitable operation as
it is to be attached to the wringer proper;
Referring to the various views, in Figure 1, is
shown a wringer body generally designated I l
which may‘ be» made of sheet material. with suit
2,405,832
3
4
.
able ribbing in order to properly reinforce the
the guard mountings 36 ?oat with the upper roller,
same. The front and rear thereof are each pro
vided with a material rest or guide platform des
are merely held in place ?rmly by the pressure
ignated l2 and thus the structure is adapted for
material‘ being ‘fed from either the right or left
side of the wringer as indicated in Figure 2. The
whereas the ones attached to the lower roller
of the upper roller on the lower roller. Thus
it can be seen that the guards have a de?nitely
wringer structure is, preferably, hollow and the
mounted relationship with respect to the rolls and
are in co-axial alignment with the said rolls. It is
sides of the frame portion are provided with
to be noted that the upper guard has a narrower
portion at the center'thereofiindicated 44 and
openingsor recesses |4whiclraccommodate the
bearings’ i?'and 24.~*The bearing; '|6>»is slotted 10 an angular apron or extension 431021 each end
as indicated‘at‘ll ‘in order to permit the shaft
18 of the lower roller 29 to be cradled thereirh.
whereas the upper‘ bearing 24 is provided with a
which provide maximum concealment 'of the
roller structure so as to minimize accidental
catching of the hand or the ?ngers.
slotted portion 23 which is somewhat elongated, - if A modi?ed form of my invention is illustrated
c in order to permit the rollers 291 and 2| to remain 15 .at Figures '7, 8, 9 and 10. Referring thereto, the
in suitable contacting relationship when the force ' lower roll 26 is similar to the one shown in Figures
of spring 25 is exerted thereupon.
.
>
The lower bearing I6 is supported by apin 15'
3
which is driven into the body ||. The spring
25 is preferably of a flat type construction made 20
rigid enough‘ in order to'exert suitable pressure
between the rollers, and is secured to the ?tting
21 and within the slotted portion 26 of the said
1, 2 and _3~as being provided with a similar guard
mount 36 and provided with guard 39 on each side
suitably clamped in place by virtue of clamp
screws 52. The upper roll in this particular in
stance, however, is equipped with a different type
of guard which is shaped similar to the guard '49.
however, the guards are provided with suitable
lugs 56 which provide bearing‘ extensions 62'
?tting which is also provided with a hub portion ~
28 in order to hold rotatably the threaded por 25 placed in abutting relationship and mounted on
the shaft 22.
'
tion 30 of the hand knob 29. The said hand knob
The guards 54 are similarly shaped to the‘ones
29 has its threaded‘ shank 30 working within a
indicated inFigure 4 and designated 46, that is
threaded bearing 3| which is provided with a
with angular extensions 55 'and an inwardly cut
suitable flange 32 soldered or welded to the cover
33 which encloses the spring structure. The cover 30 out portion 56 at the middle thereof, and op
erate by virtue of arcuate cam like slots 58'which.
93 is enlarged as indicated at 34 and is ?anged
open and close them depending on the position
at 35 in order to permit the same to be attached
of-theupper roll. The guard moves with the
securely to the frame member | | by any suitable
means.
'
'
To the frame-work H and within its central
open portion are secured the drain; elements ‘l3
upper?roll, whereas-the arcuate cam grooves 58
arecaused to operate on the stationary pins 51,’
the saidpins being ?xedly mounted in the frame
work of the wringer.
'
which allow the liquid exuded from the laundered
As can be seen in Figure 7, when the material
clothes interposed between the rollers to drip
53 is initially positioned to he grabbed by the
down and thus maintain the roller structure
rather dry. The rollers are, preferably, cham 40'. rollers 20 and 2|, the guards are in the outer
most position. When the intermediate position is
fered at the ends, this feature being conducive
reached as indicated in Figure 8, the guards tend
to proper draining of the liquid pressed from the
to close in more ?rmly, guiding the material and
material interposed between the wringer rolls.
the lower guard 39 acting as a stripper and pre
Within the side portions of the frame II and
at their inner sides the slotted portions 5| are 45 ventingjthe material from winding about the
roller 20, also minimizing the opportunity-for a
indicated which areadapted to receive the guard
?nger of the hand to be caught in between the
mounts 36 which are provided with longitudinal
roller, yet if a considerable thickness of material
slide or heel portions 48 which ?t within the slot
is fed in between the rolls as indicated at Figure '
36, inasmuch as they are mounted on the rollers. 50 9, it causes the rollsto be separated the maxi
mum distance permitted by their range of adjust
The lower- roller is usually the driven roller'and
ment, the upper guard 54 comes even closer to
the ?at IS on the shaft IB is provided for suitable
the guard 39 thus further minimizing the at
coupling to a handle or to power means which is
tendant risk of the ?ngers being caught between
usually'a kind of gear train and suitable'motivat
ing equipment which may be secured to the lugs 55 the rollers. The guards 54, Figure 10, have their
hearing portions 62 mounted alongside in abut
6| and the holes 62 are provided for bolting the
ting relationship, whereas on the opposite end
transmission into place. 7
‘
5|, thus. preventing rotation of the guard mounts
The lower guard mount 38 allows the shaft |8
to ?t rotatably thru the openings or holes 4'! and ,
thereof the bearing portions 62 are in alternate
abutting relationship. '
‘
is provided with two angular extensions 31 and 38 60
With further reference to Figure 2, I wish to
which are suitably drilled at 49 and also pro
call attention to the designation of the ?ngers of
vided with the threaded holes 56 adapted to re
a hand, which shows that it would be rather dif?- '
ceive the binding screws 52 which clamp into
cult for the ?ngers to catch in between the‘ rolls,
position the primary guards 39 and the secondary
inasmuch as the guards have to be contacted ?rst
guards 40 respectively by virtue of the pins 45 65 and the opening of the throat formed between
and 46 secured at each end of the guard. The
the portion 44 of the upper guard and the con
contact surfaces of the guards with respect to the
vex surface of the guard 39 does not provide suffi
rolls are, preferably, recessed as indicated at 4|
cient gap for the ?ngers to vbe drawn in between
and 42 so as to permit the screws 52 to clamp
the pins 45 and 46 attached to the upper and 70 the’ rolls. Furthermore, if the ?ngers should be
drawn in, the guards 39 will de?ect the ?nger to
lower guards 40 and 39, and the guards as shown
contact the upper roll only and more or less pro
are recessed at 4| and 42 in order to permit of
tect the‘ ?nger from being wedged in between
adjustability when the rollers 29 and 2| wear as a
the rolls; that feature is readily shown in Figure
result of continualuse.
a
_ It can be, readily, seen from the drawings that 75 '2 where the ?nger is directed upwardly rather
2,405,832
5
than between the tangential contacting surfaces
within the realm of the accompanying drawings,
of the rolls.
The operation of the wringer containing my
guard is very simple, the knob 29 is adjusted so
that spring 25 will exert the most suitable pres
sure depending on the thickness of material that
is to be fed in between the rollers for wringing
purposes. The entering edge of the material is
inserted underneath the apron 43 and permitted
as well as within the purview of the foregoing
description; my invention'to be limited only by
the following claims.
Having thus described and revealed my inven
tion what I claim as novel and desire to secure
by Letters Patent is:
1. In a wringer mechanism provided with feed
rollers rotatably mounted, guard means mounted
to rest on the table I 2 on eitherside of the 10 so as to contact the cylindrical periphery of one
wringer, that is either from the table l2 at the
of the said feed rollers, and complementary guard
left or from the table I2 at the right, and the
means mounted so as to contact the cylindrical
corresponding direction of rotation is imparted
periphery of the other of said feed rollers, the
the rollers 20 and 2|.
said guard means and the said complementary
When the material is brought into intimate 15 guard means being disposed longitudinally of said
contact thru the throat portion 44 with the rolls,
feed rollers and on opposed sides of the line of
the said rolls will bite the edges of the material
contact of said feed rollers, the said comple
and grab it and cause it to be drawn thru the
mentary guard means provided with apron ex
wringer rolls. The action of the lower guard 39
tensions at each end thereof in over-lapping
at the forward end where the material is fed in
relationship with the said ?rst-mentioned guard
cooperates with the upper guard in order to pre
means to prevent accidental mangling of the
vent accidental grabbing of the ?ngers or the
hands of an operator in that portion of the
hand of the operator, whereas, the guard where
wringer extending beyond the range of the said
the material exits from the wringer causes the
feed rollers.
material to strip properly and prevents tangling 25
2. In a wringer mechanism provided with
and winding about the rolls. The overlapping
upper and lower feed rollers, guard means se
apron extensions on each end of the guard 43
cured to the lower feed roller adapted to contact
prevent the hands of an operator from being
the cylindrical surface of the said lower feed
mangled accidently by the mechanism outside
roller, articulate guard means secured to the
the range of the pressure rollers.
30 upper feed roller, the said articulate guard means
I believe, I have herein shown and described
provided with cam means, and pin means secured
preferred forms of my invention, and I realize
to the said wringer mechanism cooperating with
that the same is susceptible of many modi?ca
tions, alterations, and improvements, hence I
reserve the right to all such modi?cations, alter
ations, and improvements which come within the
scope and spirit of my herein revealed invention,
the said cam means to restrict the gap between
the said ?rst mentioned guard means and the
said articulate guard means when the upper and
lower feed rollers are separated.
OTTO E. JOHNSON.
Документ
Категория
Без категории
Просмотров
0
Размер файла
589 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа