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Патент USA US2131290

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Sept. 27, 1938.
w. B. KQCHNER 5 AL
2,131,290
FOOD MIXER AND FRUIT JUICE EXTRACTOR
Filed May 21, 1935
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2 Sheets-Sheet 1
jimmy W
Sept. 27, 1938.
w. B. KOCHNER Er AL
2,131,290
FOOD MIXER AND FRUIT’ JUICE EXTRACTOR
Filed May 21, 1955
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Patented Sept. 27, 19.38
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UNITED STATES PATENT
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'
FOOD MIXER-AND FRUIT JUICE
‘
EXTRACTOR
~
William B. Koclmer and Eugene Newnham, St.
Louis, Mo., assignors to Knapp-Monarch Com
pany, St. Louis, Mo., a corporation of Missouri
Application May 21, 1935, Serial No, 22,569
5 Claims. [(01 259-34)
An object of our invention is to provide an
'Figure 5 is a side elevation, partly in section
electric appliance especially adaptable for both
mixing food and juicing fruit, the same being
comparatively simple, durable and inexpensive.
showing the mixer set up for juicing fruit.
Figures 6 and 7 are enlarged, detail, sectional
views on the lines 6-6 of Figure 5, showing a
5
A further object is to provide acombined food ' clutch arrangement between a mixer element and
mixer and fruit juice extractor in which differ- the motor driven shaft in connected and dis
ent sized bowls are adapted to be supported ro- connected positions respectively; and
1.
tatably by a bowl support, a mixer element being
Figure 8 is a sectional view on the line 8-8 of
provided for cooperation with the contents of Figure 6, showing further details of the‘clutch. '
10 either bowl and being so mounted that it can
On the accompanying drawings, we have used 10
properly coact with either a large or a small bowl the reference numeral III to indicate a base. It
by a simple pivotal adjustment.‘
A further object is to provide a food mixer
is preferably provided with resilientxpads or feet
I2 for engagement with a supporting surface I4,
having a removable motor, the mounting for the
such. as a table or the like.
'
‘
15 motor including a latch and being so arranged
,_ Upstanding on the base In is a bifurcated post 15
that the motor can be mounted in a plurality of
different angular positions to cause the proper
association of a mixer element, depending from
the motor with different sizes of mixing bowls
20 supported on the bowl support of the mixer.‘ ,
I6. Plvoted in the bifurcation of the post It on
a pin I8 is a motor supporting arm 20. It is
provided with a pair of stop'shoulders 22 and 24
adapted to coact with a set screw 26 and a shoul-- ,
der 28 respectively in the loweredvand raised po- 20
Still a further object is to provide an upstanding hub on the motor with which the fruit juicer
mechanism is associable, a handle being provided
sitions of the arm ‘20. The set screw 26 is pro
vided with a lock nut 30 and the purpose of .the.
set screw is to adjust the mixer. so that a mixer ’
for manipulation of the motor by hand when
element thereof will be adjacent, but not. touch
25 desired instead of it being mounted on the base, , the bottom of a mixing bowl, as will be observed
.and this handle being pivoted so as to swing after the entire invention is described.
-. ‘1
out of the way when it is desired to place the
In the base III, we provide a socket 32 adapted
juicer mechanism in operation. ’
to removably receive a pair of‘ball bearings 34,
Still a further object is to provide a novel ‘which are pressed or otherwise secured on ,a
30 clutch arrangement between a mixer element and spindle 36. The spindle 36 is secured to a pan?
a driven shaft, which is readily operable for disconnecting the mixer element when it is desired
- to clean it or remove it, when it is not being used.
With these and other objects in view, our in35 vention consists in. the construction, arrangement and combination of the various parts of our
l’ke support 38 having a peripheral ?ange 40 and
a smaller offset ?ange 42. The ?ange 40 is
adapted to position a large mixing bowl 44 while
the ?ange 42 is adapted to position va smaller
30
one 46, each concentrically relative to the axis of 35- ,
the spindle 36.
.
fruit mixer and fruit juice extractor, whereby . The arm 20 overhangs the bowl supporting pin
the objects contemplated are attained, as herein- 38 and its free end is provided with a hub 41,’
after more fully set forth, pointed out in our having a socket 48 (see Figure 3).'
40 claims, and illustrated in the accompanying
A motor-50 isprovided with a pin 52 adapted
drawings, in which:
to pivotally enter the socket 48. The pin 52 is 40
Figure 1 _is a side elevation of a food mixer provided with an annular shoulder 54. A latch
and fruit juice extractor embodying our invention, parts being broken away and other parts
45 being shown in section to illustrate details of
construction.
50
‘
pin 56 is adapted to coact'therewith. The'latch
pin 56 is provided with a retracting knob 58
and is urged toward the latched position by‘a
spring 60,
.
Figure 2 is a partial plan ‘view of the same,
illustrating an adjustment feature for the mixer
The hub '41 is provided with a pair of socketsv
62 ‘and 64. These are adapted to selectively re
element.
ceive a pin 66, which depends from the motor
Figure 3 is an
on the line 3—3
latching means.
Figure 4 is an
on
latching
the line
means.
4-4
Cl Ci
‘
‘
enlarged, detailrsectional view
of Figure 1, showing a motor
50, so that mixer elements 68, which depend'from d
the motor can be positioned on either of», the
center lines a, or b, in Figure 2, the mixerele
enlarged, detail sectional view ~ ments being shown solid and dotted respectively
of Figure 1, showing a handle
forInthe
onetwo
position
positions.v
the mixer elements are con-7
V
2,131,290
2
that the shafts ‘I8 can be removed from the
trally located relative to the small bowl 48, while
in another position they are located o?-center
relative to ,the large bowl 44, so as to cooperate
with its entire contents as the bowl rotates dur
sleeves 18. ‘
88 are also slid downwardly, so that the portion
of the shaft 18 above the annular groove 12 can
pass by the balls 84 and when the sleeves are re
leased, the springs will move them upwardly to
cause the inclined shoulders 88 to force the balls
into the grooves 12 (as in Figure 6).
ing the mixing operation.
The mixer elements 88. are of the usual overlap
ping loop type, and are supported by shafts 18.
Each shaft 18 at its upper end has an annular
groove 12 and an angular portion ‘I4. The angu
lar portion is adapted to enter a similarly shaped
angular socket 18 in a sleeve 18.v .(See Figure 6.)
When it is desirable to set up the mixer for a 10
fruit juicing operation, the parts I84, H8 and I88
are placed in the position of Figure 5, whereupon
The sleeve 18 is connected as by a pin 88- to a
shaft 82, which is suitably geared within a gear
housing 84 to the shaft of the motor 58. A sec
ond sleeve 88 surrounds the sleeve 18 and slidable
on this sleeve is a third one 88.
_
When replacing the mixer elements, the sleeves
operation of the motor 58 will cause the reamer
I I8 to rotate. Fruit such as oranges and the like
can then be cut in half and held‘ by hand over 15
the reamer II8 and the juice thereby being,
The sleeve 88 is
constrained to move in one direction relative to
the sleeve "I8 by a spring 88 interposed between
shoulders of the two sleeves, as clearly shown in
Figure 6. The sleeve ‘I8 carries in lateral bores
82 a pair of balls 84, which are urged inwardly to
engage the groove ‘I2 by an inclined shoulder 88
reamed therefrom will - flow out through the
spout H4 is rotatable relative to the spout II2,
tending upwardly from said base and overhang
ing'said bowl, a motor pivotally mounted on said
spout “4.
During food mixing operations, food works up
the shaft 18, and we have provided a means to 20
return such food to the mixing bowl. This means
consists of a ?ange H on each shaft. When the
food works up to the ?ange, it is thrown oil.’ by
on the sleeve 88.
'
.
,
The motor 58 is provided with an upstanding ‘ centrifugal force and will return by gravity to 25
the bowl as indicated by the arrow 0 in Figure 1.
hub 88, which is preferably tapered.
,
Some changes may be made in the arrange
A juicer bowl I88 is provided with a hub I82 for
ment
and construction of the various parts of
removable positioning on the ‘hub 88.
.
Within the hub a juicer shaft I84 is rotatably our food mixer and fruit juice extractor, without
departing from the real spirit and purpose of our
mounted and operatively connected as by an an
invention,
and it is our intention to cover by our 30
gular portion I 88 with a socket member I88 se
claims,
any
modi?ed forms of structure or use
cured to one of the, shafts 82. The other shaft
of _mechanical equivalents, which may be reason
need not be provided with a hub 88.
_
A fruit reamer H8 is mounted on the upper ably included therein.
We claim as our invention:
'
end of the juicer shaft ‘I84 within the bowl I88.
1. Ina device of the class described, a base,
The juicer bowl is provided with a depending
spout H2 having an extension spout H4. The a bowl supported thereon, a motor support ex
so that the juice extracted from the fruit can
be directed to ?ow either into the mixer bowl or
40 into a receptacle at the side thereof.
motor support on an axis o?-center relative to
the axis of said bowl, and a mixer element de
_
pending from and operatively connected with said
motor for- cooperation with the contents of said
bowl and pin and socket means to position said
A handle H8 is pivoted on a pin II8 supported
by the motor 58. A spring I28 is arranged in the
pivotal connection to prevent rattling of the parts
and to cause the handle to assumethe position ’ motor at a plurality of different angular positions
of
Figure 1 under tension, when it is desired to relative to a plane containing the axis of said 45
L15
have the handle in an out of the way position for‘ bowl and said ?rst-mentioned ‘pin.
2. In a device of the class described, a base, a
the juicer bowl I88.
A latch shown in Figure 4 is provided for the bowl supported thereon, a motor support ex
tending upwardly from said base and overhang- ,
free end of the handle I I8 and ‘comprises a spring
ing said bowl, a motor pivotally mounted on said 50
urged retractible pin I22 adapted to normally co
motor support on an axis o?-center relative to
act with a socket I24 in the gear housing 84.
the axis of said bowl, and a mixer element de
Practical operation
pending from and operatively connected with
In the operation of my food mixer and fruit said motor for cooperation with the contents of
juice extractor, when it is desirable to whip cream said bowl, the pivotal mounting for said'motor 55
or mix foods in the small bowl 48, it is positioned comprising. a member having a socket and a pin
within the‘ ?ange 42 as shown by dotted lines in for coaction therewith, said pin having a shoul
Figure 1 and full lines in Figure 2. The mixer der, a retractible latch carried by said member,
elements 88 are centrally positioned as illustrated means normally causing said latch to prevent
disconnection of said pin from said member by
60 by full lines in Figure 2, one of- them being re
moved if desirable for the particular food being engagement of said shoulder with said latch, and
additional pin and socket means to position said
mixed.
.
,
-‘
When it is necessary to use the larger bowl 44, ‘v motor at a plurality of different angular posiit is positioned in the supporting pan 88, and the tions relative to a plane containing the axis of
65,
mixer elements preferably adjusted to the dotted said' bowl and said ?rst-mentioned pin.
3.
In
a
food
mixer
and
fruit
juice
extractor,
a
position of. Figure 2. ‘
'
For this adjustment, the knob 58 of the latch base, a bowl supported thereon, a motor support
pin 58 is pulled outwardly and the motor is lifted ,on said base, a motor removably positioned on
by the handle H8 and ‘swung until the pin 88 said motor support, a mixing element carried by
registers with the socket 84 and then pushed and operatively connected with said motor, a
downwardly until again latched. -
_
r
_
When it is desirable tovremove the mixer ele
ments, the sleeves 88 can be moved downwardly,
as in Figure 7, against the action of .the springs _
88 for allowing the balls 84 tomove ‘upwardly so
' handle‘for. supporting said motor and mixing
element by hand when removed from said motor
support, a fruit juice extractor mechanism asso
ciable with said motor, said handle being pivoted
to said motor for movement toan out-of-the 75
2,181,290
way position, said fruit juice extractor mecha
nism being adapted to be used with said motor
- when said-handle is in such position, a spring
urging said handle in one direction of its pivotal
movement, and a latch to latch it in normal posi
tion against such urging.
4. ‘In a. device of the class described, a base,
a bowl support thereon,-a mixer element support
‘on said base, a. mixer element mounting and a
10 mixer element depending therefrom for coopera
tion with the contents of a bowl mounted on said
bowl support, said mounting being pivotally asso
ciated with said mixer element support for posi
tioning at the center of said bowl support or
Spaced from the center thereof and means on
said mixer element support cooperating with
said mounting to con?ne said mounting to either
one 01' said positions and against pivotal move
ment relative to said mixer element support.
3
' 5. In a device of the class described, a base, a
bowl support thereon, a. mixer element support
on said base, a mixer element mounting and a.
mixer element depending therefrom for coopera
tion with the contents of a, bowl mounted on 5
said bowl support, said mounting having a de
pending pin, said mixerelement support having
a socket to receive said pin, said pin having a
depression, a_ retractable latch carried by said
mixer element support to normally coact with 10
said depression and an auxiliary connection be
tween said mounting and said mixer element
support comprising a pin having a pair'of cir-.
cumferentially spaced sockets radially spaced
from the axis of said first pin, said second pin 15
being selectively coactable with either of ‘said
sockets.
WILLIAM vB. KOCHNER.
EUGENE NEWNHAM.
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