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Jan. 7, 1947.
2,414,053
P‘. J. McéARTHY
JUICER,
Filed, Dec. 18, 1941
2 Sheeté-Sheet 1
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BY
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REGISTERED :ATENT AGENT
Jan. 7, 1941.
2,414,053
R3, MCCARTHY
JUICER
2 Shefe‘ts-Sheet 2
Filed Dec. '18, 1941
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AMY/[If
‘BY
'
2,414,053
Patented Jan. 7, 1947
UNITED STATES PATENT‘ OFFICE
.
2,414,053
'
'
JUICER
Patrick Joseph McCarthy, Los Angeles, Calif.
A Application December 18, 1941, Serial No. 423,521
2 Claims. (01. lilo-50)
2
-.
ilarly shaped; secondary recesses or chambers l8
My invention relates to automatic and semi
automatic apparatus for extracting juice from
' and 20, chambers l8 and i9 being opposed to,
communicating with and adjacent one another,
chambers 20 and 2| being similarly disposed and
related.
A principal object is the replacement of the
Respectively disposed within chambers 19 and ,
usual source of power in automatic devices, elec
l8 and spaced from the- respective de?ning sur
tric power, with the much less troublesome and
faces 21 and 26 thereof by primary varying space
costly source, the water pressure that is available ‘
23 and secondary varying space 22, are primary
at faucets in the home and elsewhere.
hood 25, its primary ?exible wall being indicated
10
Another important object is the provision of
by 25a, and secondary hood 24, its secondary
fruit _and,. although not restricted to home use,
‘ is particularly well adapted thereto.
a device for the purpose named that requires
?exible wall being indicated by 24a,
‘
neither halving or other segmenting nor removal
Hoods 25 and 24 are adapted to collectively en
of the rind.
gage or embrace a fruit. The hoodsare sep
An additional object is a design that is equally 15 arately and collectively referred to herein also as
adapted to single unit and plural unit devices.
“contractible fruit-engaging elements," the word
Further objects are economy and simplicitylof
“elements” appearing in the singular and plural ,
construction and maintenance and accessibility
forms.
for quick and thorough cleaning.
The flexible walls are preferably of rubber or ‘
Other objects‘ and advantages will disclose 20 rubberlike
material, although they may be of im
themselves in the course of examining this de»
permeable, elastic or even suitably folded non
scription and the hereto'accompanying drawings
elastic cloth or other ?exible substance, or the ‘
-' presenting one of many possible examples of the
‘walls may be of permeable material in combina
invention. This one, a two-unit type, has been
tion with impermeable material, such as thin
selected solelyto illustrate the principles and of 25 rubber sheet. The respective ?anges or marginal
course does not at all indicate the full scope there
' portions 25b and '24b of hoods 25 and 24 are
of,.whose actual limits are set forth in the hereto
secured, by vulcanization or otherwise, to hard
appended claims. Referring to said drawings
, rubber rings 29 and 28, which are threaded, for
Figure 1 is a front elevation view of said two
screwing into annular portions Ha and I2a of
unit type of juicer.
'
*
30 sections II and I2 respectively, holes 29a and
Figure 2 is a side or end elevation view of the
same.
i
'
Figure 3 is a plan view of the same as seen.
from above.
.
Figure 4 is a compound view of certain parts
therein as seen in the plane 4-4 in Figure 3 to
show how they function.
Figure 5 is a partly sectional, fragmentary view
of certain parts as seen in the plane 5-.-5 in
Figure 3.
'
.
'
Figure 6 is a vertical, sectional, one-half view
of the same embodiment, as seen in the plane
5-6 in Figure 3.
.
>
28a being provided in rings 29 and 28 respectively
to facilitate screwing of the rings into place with
a suitable, special tool. Hood 24 is perforated to
provide a hole for receiving therethru the screw
35 30 for screwing thereof into the top wall of sec
ondary section l2, a washer 32intervening be-,
tween the head of said screw and said hood.
symmetrically of secondary hood 24, it is pro
vided with a hole for receiving ?anged bushing
40 3|, held in place by nut 33, the function thereof
being to ?x hood 25 thereat to the rigid wall of ' section II in a watertight manner. Bushing 3|
‘
This juicer comprises a lower or primary casing
section II and an upper or secondary casing sec
tion I2, hingedly secured to one another by hinge
accommodates frictionally therein retained,
?anged juice tube 35, prevented from being
,
45, pushed downwardly upon inserting the fruit into
assembly l3-l4 and lockable together by catch
the device, by ?ange 3511.7 At its fruit-adjoining
end, tube 35 is provided with serrations 35b,
assembly l5-—I6. a handle l1 being provided on
and. along the length thereof. with holes 350,
section l2. Sections H and 12 are hollow, their
. respectively to facilitate the penetration of the
walls being rigid and of metal, plastic or other 50 fruit and the ejection of its juice.
suitable material, and referred to herein respec
Hinge assembly l3-—-l4 comprises secondary,
tively as primary rigid wall and secondary rigid
wall.
‘
‘
-
Primary section II contains the roughly hemi
spherically shaped, primary recesses or chambers '
i9 and. ‘2!. Secondary section l2 contains sim
hollow hinge lug l4, extending from and pref
erably integral with secondary casing section l2
and provided with a thereto operatively fixed and
55 therewith preferably integral‘, hollow hinge pin ,
2,414,058
_
36, the interiors of lug I4 and pin 36 communi- .
eating continuously with one another. Assembly
l3—|4 also comprises primary hinge lug l3, ex
tending from and preferably integral with pri
4\
tion l2 extending upwardly, a fruit, such as an
mary casing section II and adapted to receive,
orange, is forced down onto Juice tube 35 and
rotatably, snugly, fitted therein, the hinge pin
is penetrated thereby. Section
36, into whose end a nut 33 is screwed for holding
the two hinge lugs together, a washer thereat
I2 is then brought ‘
down and locked to section II and when they are
being indicated by 40, and a washer between the
two lugs by 39.
-
I1 is grasped and the section l2 may then be
lifted away from section II.
When the sections are in open position, sec
_
10
Common to casing section II and to primary
hinge lug l3, see Figures 3 and 5, is primary -
initial passage 4|, communicating continuously
with primary varying space 23, see Figure 6, and,
in this relationship, Figure 5, view A, shows that
port 36a establishes communication between pas
sage “ and interior 42, port 36c establishes com
munication between interior 42 and inlet passage
43, and consequently with inlet nozzle 45, and
port 36b is not functioning or is blocked. Also
operatively alternately with the hollow interior 15 communication being continuous between interior
42 and passage 44, liquid, such as water under
42 of hinge pin 36, see Figure 5. Also in lug l3,
‘ are inlet passage
pressure entering ‘through inlet. nozzle 45 passes
into all four varying spaces thereby the four
hoods are contracted, the fruit between them
43, common to inlet nozzle 45, ‘
which is preferably integral with lug l3, and
outlet passage 41, see Figures 3 and 5.
In secondary hinge lug I4 is secondary, initial
passage 44, communicating continuously with 20
'
hollow interior 46 of lug l4 and with a secondary
varying space that is not shown but‘ indicated
locally, see Figure 1, by numeral 48, and that
corresponds in appearance and function to sec
ondary varying space 22, see Figure 6. In the
rigid wall of section I2 is secondary intermediate '
passage 34 intervening between and continuously
communicating with spaces 43 and 22.
In the rigid wall of primary casing section II 30
squeezed and the juice thereof ejected through
the Juice tube.
.
"
When the sections are then opened, port 360 is
not i'unctio
, see view B of Figure 5, port 36b
has re-established communication between pas
sage 4| and interior 42, port 360 has established,
communication between interior 42 and outlet
passage 41, and communication between interior
42 and inlet nozzle has been interrupted or
blocked. Since communication‘between passage
44 and interior 42 is continuous, the ?uid in the
is primary intermediate. passage 31 intervening \' now upwardly extending section I2 is now free.
under the force of gravity, to descend and leave
between and continuously communicating with
the device by way 01' outlet passage 41. And,
space 23, see Figure 6, and with a primary vary
when the next fruit to be squeezed is introduced
ing space, not shown but indicated locally, see
into primary chamber IS, the now contracted
Figure 1, by‘ numeral 49, and that corresponds 35 hood ‘2! is thereby ‘distended and the ?uid in the
expanded space 23 is ejected through passage 4|
Hinge pin 36 is provided, adjoining the cylin
and out through outlet passage 41.
drical. interior surface of hinge lug l3, with ?rst
Obviously a single unit device can be designed,
port 36a, second port 36b and third port 360,
wherein there are no intermediate passages such
disposed in a manner whereby theyfunotion as 40 as 34 and 31 and wherein a passage like 44 leads
valve elements. as will be apparent further on
directly from the upper or secondary lug into
in this ‘description.
in appearance and function to space 23.
For securing together the two hingedly con
the secondary chamber corresponding to the pri
mary chamber. that receives the ?uid directly
nected members or casing sections II and I2, I
from the hinge assembly.‘
'
provide a self-locking'lock or catch that requires 45
Also,
obviously,
with
suitable
modi?cations, a
no extra movement for locking otherthan simply
three- or four-unit ,device can be made, ‘or one
closing section l2 downwardly quickly on to sec-e
tion ll .
This entirely novel catch assembly com
with even more, sothat quicker Juice-extracting
can be effected. ~
"
prises a hook l6 that is operatively thereto ?xed
Instead oi’ utilizing drinking or other water
in section or member l2 and a lever I! that is 60 from the mains, any other ?uid under pressure
rotatably mounted in section or member I I, see
may be used, whether the ?uid be a liquid or a
Figures 1, 2, 3 and particularly 4. The lever—
gas, such ‘as, for example, compressed air.
7
adjacent end "5a of hook I6 is recessed at l6b.
The word "?uid” is used herein in its broadest
Lever l5 comprises a pin portion lib and an arm
sense to include liquids or gases.
portion l5a, the pin portion being recessed to 55
constitute recess I50, adjoining attenuated part
15dv of pin portion lib. When section I2 is
brought down quickly, lever-adjacent end l6a
' strikes attenuated part I“
I claim:
.
1. For extracting juice from a fruit, 9: device
, powered by pressure ?uid and including or being
characterized by: ‘a primary casing section having
a primary rigid wall and, therewithin, a pri~
whereby pin portion I5?) is rotated from the posi 60 mary chamber; secured to said primary section
by a hinge assembly, a Secondary casing section
tion in A to the position in B, where the normally
laterally thereof,
downwardly extending, vertically disposed arm
having 'a secondary rigid wall and, therewithin, a
secondary chamber communicating with and ad
portion l5a has been swung up into a horizontally
Jacent said primary chamber; respectively dis
disposed position, see also D, a plan view of B.
Gravity then exerts itself upon arm portion lia, 65
whereby it swings downwardly again into said
normal position, the attenuated part |5d then
becoming engaged by the lever-adjacent end l6a
nally thereof to the corresponding said casing
at recess l'6b thereof, see C in Figure 4, the hook
section, both respectively spaced from the de?né
I 6 and the lever l5 thereupon being locked to 70 ing surfaces of the corresponding saidchambers ,
one another and thereby locking casing sections
by a primary and by a, secondary varying space,
H and I2 to one another. To disengage them’
said hoods being adapted to collectively engage
said fruit; extending through said primary ?ex’
from one another, the arm portion l5a is rotated
upwardly to the position of Band D, the handle 75 ible wall and adapted to penetrate said fruit, a
juice tube; respectively communicating with said
2,414,053
primary and said secondary space and in said
faces of the corresponding said chambers by a
primary andby a secondary-varying space, said
rig'd walls. a primary initial passage and a sec
ondary intermediate passage adapted to convey
'fruit; extending through said primary ?exible
- and introduce pressurel?uid into said Primary
wall and adapted to penetrate said fruit, a juice
and secondary space respectively, wherelry said
[hoods are contracted, said fruit between them'
squeezed and the juice thereof ejected ‘through
said juice tube; said, hinge assembly comprising
an inlet passage for receiving pressure ?uid and
an outlet passage for‘ releasing it from the device,
said assembly comprising also a hinge pin, and,
receiving it rotatably therein, a hinge lug, said
hinge pin being provided with a plurality of ports
adapted to contributively, alternatively establish
and interrupt communication between said pri
mary initial and said secondary ‘intermediate
passage on the one hand and said inlet passage '
on the other hand, and said primary initial and
said secondary intermediate passage on the one
hand and said outlet passage on the other hand,
said hinge pin being provided with a plurality
of ports adapted to establish communication be
hoods being adapted to'collectively engage said -
tube; respectively communicating withwsaid pri
mary and said secondary space and in said rigid '
walls, a primary initial passage and a secondary
intermediate passage adapted to, convey and in
troduce pressure ?uid into said primary and-‘said
secondary space respectively, whereby said hoods
are contracted, said fruit between them squeezed
and the juice thereof ejected through said juice
tube; said hinge assembly comprising a secondary,
hollow hinge lug extending from said secondary
casing section and provided with a thereto oper
atively ?xed, hollow hinge pin, said assembly
comprising a primary hinge lug extending from
said primary casing section and adapted to re
ceive, rotatably therein, said hinge pin, the lug
lug continuously com
‘ interior of said secondary
municating with the pin interior of said ‘pin and
'
with said secondary passage and consequently
tween said varying spaces and said inlet passage
with said secondary space, said primary lug be
an inlet passage for receiving
and said outlet passage while said casing sections 25 the pressure ?uid and with an outlet passage for
are closed, and to interrupt communication be
releasing it from the device, said primary initial
tween said varying spaces and said inlet passage
passage being common to said primary casing
and to establish it between said varying spaces
section and to said primary lug, said pin being
and said outlet passage while said casing sections
?rst, a second and a third port,
and to interrupt it between said varying spaces
are open.
.
30
2. For extracting juice from a fruit, a device,
powered by pressure ?uid and including or being
characterized by: a primary casing section hav
ing. a. primary rigid wal and, therewithin, a pri
mary chamber; secured to said primary section -35
by a hinge assembly, a secondary casing section
having a secondary rigid wall and, therewithin,
a secondary chamber communicating with and
said ?rst port and said third port respectively‘
communicating with said primary initial passage
and said inlet passage when said casing sections
are closed, said second port and said third port
respectively communicating with said primary
initial passage and said outlet passage when said
casing sections are open, whereby, in the closed
state, pressure ?uid travels from said inlet pas
sage to said varying spaces, and, in the open
adjacent said primary chamber; respectively dis
state, communication between said inlet passage
posed within said primary and‘ said secondary 40 and said pin interior is interrupted and com
chamber, a primary hood and a secondary hood,
munication is established between it and said
having respectively a primary ?exible wall and
outlet passage, communication being retained be
a secondary flexible wall, each secured marginally
tween said varying spaces and said pin' interior.
thereof to the corresponding said casing section,
both respectively spaced from the de?ning sur
PATRICK JOSEPH MCCARTHY.
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