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Патент USA US2404694

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July 23, 194s.
M. COHEN Erm.
2,404,694
PARTICLE APPORTIONING DEVICE
2 Sheets-Sheet l
Filed NOV. 23, 1942
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July 23, 1946.
M. coHEN ETAL
2,404,694
PARTICLE APPORTÍONING DEVICE
Filed Nov. 25, 1942
2 Sheets-Sheet 2
30
2,404,69l
Patented July 23, 1946
UNITED STATES PATENT OFFICE
2,404,694
PARTICLE APPORTIONIN G DEVICE
Morris Cohen, Kansas City, Mo., and Gerald A.
Jorgenson, Chicago, Ill., assignors to Interstate
Bakeries Corporation, Kansas City, Mo., a cor
poration of Delaware
Application November 23, 1942, Serial No. 466,614
7 Claims.
(o1. 259-14) ,
1
2
This invention relates to a particle apportion
ning from front to rear of the device in parallel
ing device more particularly for edible particles
relation at each side thereof, and each carrying
such, for example, as raisins or currants, which
a pair of bearing disks I5 and I 6, making four
are introduced into the dough for the making of
such disks in all. The bearing disks I5 are here
sweet rolls, raisin bread, or the like, in large com 5 shown carried between the legs I I, and the bear
mercial bakeries.
ing disks I 6 to the rear of the legs where the
While the apportioning of particles of certain
shafts I3 and I4 there overhang. Resting upon
types such, for example, as flour, granulated nuts,
the bearing disks I 5 is a rotatable cylindrical
and similar generally dry materials encounters
drum I1 held thereon by its weight. The drum
relatively few difliculties and these may be intro 10 here represents a depositing element. Adjacent
duced by means of hoppers. the handling of other
the forward end of the drum, its periphery carries
types of particles such as raisins involves prob
an annular channel piece I8 which receives the
lems not encountered in the handling of more dry
bearing disks I5 and adjacent its rear end a sim
particles, the raisins, for example, being naturally
ilar annular channel piece I9 which receives the
somewhat sticky and tending to pack together so 15 bearing disks I6. Thus the drum is guided in its
as to clog any device such as a hopper or other
rotation as presently described and its axial posi
conventional apportioning means wherein the
tion during rotation is maintained with respect
particles are moved largely under the influence
to the pedestal I0.
of gravity, with the weight of a quantity thereof
For driving the drum I1, its periphery may also
constantly pressing upon the particles as they 20 carry an external ring gear 20 which meshes with
move.
a pinion 2l keyed to the shaft I3, this shaft being
In the present invention, a unitary portable de
a driving shaft and it is continued forwardly of
vice is provided in which the particles are not
the legs II to terminate in a bevel gear 22, which
moved merely by gravity but are maintained in
meshes with another bevel gear 23 keyed to a
circulation during the apportioning process, par 25 stub Shaft 24. The stub shaft 24 is rotatably
tially by gravity and partially by a positive mech
mounted in a pair of brackets 25, supported by a
anism therefor, whereby the raisins are kept rela
platform 26 projecting from the forward end of
tively dry and loose at all times, and the raisins
the pedestal I0. Diagonal braces 21 extending
are finally apportioned through a variable re
from the platform to the legs II may reinforce
stricted opening.
30 the platform which also provides a support for
These and other objects and advantages will be
an electric motor 28, the output shaft 29 of which
apparent from the following description, taken
is in driving relation by means of chain belt 30
together with the accompanying drawings, in
with a sprocket 3| also keyed to the stub shaft
which
24. Thus, by 'means of the usual electric wiring
Figure 1 is a side elevational view of a device 35 which need not be here shown, the motor 28 may
embodying the present invention, parts being
be connected to a source of electric power and
shown in section for clearness of description, and
caused to rotate the drum I1 on the pedestal I0
an associated conveyor device;
in the direction of the arrow 32 (Fig. 2) on la
Figure 2 is a cross-sectional view, partially in
horizontal axis.
end elevation, taken on the staggered line 2-2 40 In accordance with the present invention, the
of Fig. 1 but with the raisin circulation indicated,
drum surrounds one end of a depository element
and looking toward the delivery end of the device,
driving parts being omitted; and
Figure 3 is a fragmentary perspective view of
the discharge end of the conveyor of the present 45
device and one end of the associated conveyor,
indicated also in Fig. 1.
here represented by the conveyor device indicated
generally by the numeral 33 and which comprises
a frame having somewhat triangular side mem
bers 34 bolted as at 35 to a cross strut 36 con
necting the upper ends of the forward legs II of
the pedestal I0, which are shown extended up
Referring in detail to the illustrative construc
wardly beyond the rear legs to a point approxi
tion shown in the drawings, the unitary device of
mating the axis of the drum I1 and just in front
the present invention is mounted on a pedestal 50 of the forward end of the drum, the latter having
designated generally by the numeral I0, having
a relatively large axial opening 31 in its forward
four legs II which terminate at their lower ends
end through which the conveyor 33 extends into
in casters I2 whereby the device is mobile. Adja
the interior of the drum as well as forwardly
cent their upper ends, the pedestal legs II ro
thereof. For enhanced stability, the frame side
‘ tatably carry a pair of shafts I3 and I4, each run 55 members 34 extend downwardly in front of the
2,404,694
3
cross strut 36 and may be bolted as at 38 to an
plish this the plate 55 is wider than the plate 56
other cross strut 39 carried by the legs II below
the cross strut 36. At each end respectively of
the frame members 34 are rotatably mounted the
and its outer margin is bent downwardly as at 64,
both to form the peak 65 and an edge 66 which
approaches the edge 61 of the narrower plate 56
along a longitudinal line to one side of the longi
tudinal center line of the conveyor 43 but parallel
usual conveyor rollers` 40 and 4I , about which are
entrained the endless conveyor belt 42 of canvas
or the like.
The conveyor belt 42 as well as the drum may
therewith. The sliding adustment here provided
preserves a substantially uniform inclination for
the shield plates which permits of a very fine
be driven by the motor 28. In this instance, the
roller shaft for the roller 40 is extended laterally 10 stream of raisins for example.
of the conveyor frame plates 34 to carry a
To prevent particles from lodging between the
sprocket 43 upon whichjs entrained an endless
conveyor 42 and the frame members 34, the latter
chain 44 also entrained with another sprocket
desirably carry longitudinal angle strips 68, one
45 keyed to a stub shaft 45a mounted on the ex
angular portion of each of which rests on the
terior of one of the frame members 34. A gear
upper edge of the frame and the other angular
46 also keyed to this shaft meshes with another
portion of which depends inwardly over the side
gear 46a similarly mounted upon a stub shaft
margin of the conveyor belt and into close but
46h which has keyed thereon a sprocket 46c.
non-frictional proximity therewith.
About the latter is entrained an endless chain
'I'he operation of the device is as follows:
41 which is also entrained with a sprocket wheel
Having deposited a supply of raisins or the like
48 which is keyed to the stub shaft 24 along with
into the drum I1 as at 69 and having replaced
the sprocket 3I and bevel gear 23. Thus rotation
the door 52 to close the rear end of the drum,
of the motor shaft 29 in a direction to rotate the
the operator starts the motor 28 thus causing the
drum I1 in the direction of the arrow 32 will also
drum to rotate in the direction of the arrow 32
move the upper run of the conveyor belt 42 in 25 and the upper run of the conveyor to move in the
the direction of the arrow 49.
direction of the arrow 49. As the drum rotates,
The inner surface of the drum I1 is provided
. some of the raisins which lie loosely in the lower
with a number of formations such as the lifter
part of the drum are picked up by a blade 50 and
blades 50, three being here shown, which extend
carried thereon to the upper part of the drum.
lengthwise of the cylindrical part of the drum I1 30 As the blade approaches its zenith, the raisins fall
and project somewhat radially toward the axis
oif therefrom under the influence of gravity as at
of the drum. Forward of the cylindrical portion
10 and in falling strike the hood 54. Some of the
of the drum, the latter is desirably conical as at
raisins drop through the slot 63 onto the conveyor
5I margining the axial opening 31 and providing a
belt 42, while others, deflected by the hood, fall
guard to prevent particles lifted by the blades 35 back into the mass of raisins 69 in the lower part
from falling through the opening 31. At its rear
of the drum to be again picked up by a later
end, the drum has a door 52 which is received with
oncoming blade 50. Since the raisins falling off a
a snug ñt within the angled margin 53 of another
blade as at 10 have some momentum due to the
axial opening in the drum, and which, when the
rotation of the drum, they will not fall in a
door 52 is removed, may be employed to deposit 40 straight line but will have a somewhat arcuate
raisins or the like into the drum for disposition as
trajectory and the slot 63 may be adjusted, by the
_ presently described.
adjustment means for the plates 55 and 56 al
Further in accordance with the present inven
ready referred to, so as to be in this path. Due to
tion, the inner end of the conveyor 33 which is
various causes, the raisins will not all have the
received within and surrounded by the drum I1
same trajectory, but it has been found that a mean
has associated therewith means whereby only
arc thereof will pass to the right of the peak 65,
some of the particles such as the raisins deposited
looking at Fig, 2, that is, the proximate side of the
in the drum and circulated by the blades 50, fall
hood 54 as the blades rotate, and through the slot
onto the conveyor, other particles falling back
63 whereby many of the raisins will pass through
50 the slot onto the belt.
into the drum to be recirculated.
As shown in the drawings, an illustrative ele
The raisins carried by the conveyor belt 42
ment for this purpose here includes a peaked hood
travel outwardly of the drum and may fall off the
designated generally by the numeral 54, and
discharge end 1I of the conveyor 33, as here
comprising a pair of spaced apart shield elements
shown, onto a strip of dough 12 moving in the
55 and 56, which are in the form of inclined plates 55 direction of the arrow 13 on an associated con
carried by the conveyor frame members 34 just
veyor 14. The dough strip 12 may be produced
above the inner end of the conveyor 42 as by
in flattened elongated form by means which forms
brackets 51 bolted upon the outer faces of the
no part of the present invention, but which may
frame members 34 respectively as at 58 to overhang
be in accordance with the Cohen et al. co-pending
the conveyor. The brackets 51 have a vertical 60 application Serial No. 441,580, filed May 4, 1942,
portion at which they are bolted to the frame
and may, after having had the raisins deposited
and an inwardly directed upwardly angling por
thereon in accordance with the pr‘ -sent invention,
tion 59, in which is an elongated slot 60. Through
be then treated and coiled on a longitudinal axis
each of the slots 60 passes the shank of a short
as described in another co-pending Cohen et al.
screw-bolt 6I and this passes also through a per 65 application, Serial No. 429,764, ñled February 6,
foration in the plate 55 or 56 as the case may be.
1942, to form bakery sweet rolls or the like.
On the upper surface of the plate and threaded
As shown in Fig. 3, the conveyor 33 is arranged
on the shank of each of the bolts 6I is a thumb
at right-angles to the associated conveyor 14, and
nut 62. Thus the plates 55 and 56 may be ad
the unitary device of the present invention may
justably clamped in position over the conveyor 70 be disposed in such position with the conveyor 33
belt 42 normally with a longitudinal space or slot
overhanging the conveyor 14 at any suitable point
63 therebetween, providing a restricted opening
along the latter, the ready mobility of the pedestal
III as by the casters I2 making this possible. Furhere disclosed. Preferably the slot 63 is to one
thermore, the particular arrangement of the con
side of the peak 65 of the hood 54 and to accom 75 veyor 33, supported as it is in cantilever arrange
on both sides and which is selectively variable as
2,404,894
ment on the pedestal l0. avoids interference with
the standard 15 of the associated conveyor 14
and permits it to be received in similar cantilever
arrangement within the drum l1 at the receiving
end of the conveyor 33.
The sloping or peaked character of the hood
54 provides a deflector for causing raisins which
drop off the blades and which do not fall through
posed in the form of a peaked hood over the con
veyor providing a restricted opening there
between vertically aligned with an spaced above
said conveyor, said opening being to one side of
C1 the peak in the hood, a rotatable drum sur
rounding the conveyor and shield members,
blades in the drum for lifting particles disposed
therein from the bottom of the drum to the top
the slot 63 to fall back into the bottom of the
thereof and dropping them on said shield,
drum and to be re-tumbled, such tumbling con 10 whereby some of said particles pass through
triuting to maintaining the raisins in dry and cool
said opening onto the conveyor and others fall
condition.
back into the drum, means for rotating the
So arranged and operated, the device of the
drum, means for operating the conveyor, and
present invention keeps the raisins constantly cir
means for adjusting the size of the opening be
culated so that they do not become heated and 15 tween said shield members to vary the number
sticky by their own mass, thus avoiding agglom
of particles disposed on the conveyor during a
erations of the raisins which might result in too
given period of operation of the device, while
many raisins in one part of the dough and too few
causing a controlled stream of particles to be
in another part and providing better and more
deposited thereon.
uniform distribution thereof throughout the 20
3. In a particle apportioning device of the
dough strip 12.
class described, the combination with a pedestal,
of a drum rotatably carried thereon, one end of
said drum having a central opening, a pair of
dough strip 12 be desired, the plates 55 and 56
parallel frame members mounted in cantilever
may be adjusted farther apart so as to widen 25 arrangement on the pedestal, one end of each
the slot B3, and, conversely, if fewer raisins are
frame member extending through said central
desired per linear distance, the slot may be nar
opening, an endless conveyor entrained on said
rowed. In any case, raisins which fall off of a
frame members, a pair of spaced apart shield
blade 50 approaching its zenith and which do
members providing a shield disposed in the form
not fall through the slot‘l 63 to the conveyor 42 30 of a peaked hood over the conveyor having a re
Will fall back into the lower part of the drum
stricted opening therein vertically aligned with
and be recirculated, the peaked character of the
and spaced above said conveyor, means for
It will be understood that if a greater number
of raisins for a given linear distance of the
hood 54 being of a sufficient declivity so as to
exceed the angle of rest of the raisins and pre
venting lodging of the latter thereon.
The raisins in the bottom of the drum as at
69 are maintained constantly agitated by thc
blades 50 and prevented from objectionable
varying the extent of separation of said shield
members to vary the extent of said last men
35 tioned opening, blade formations in the drum for
lifting particles disposed therein from the bot
tom of the drum to the top thereof and dropping
them onto said shield whereby some of the par
packing which is common in the use of conical
ticles fall through said opening onto the con
hoppers, screw-conveyors, and the like.
40 veyor and others fall back into the drum, a plat
'I'he gearing is desirably so arranged, as here
form carried on the pedestal below the conveyor
shown, that the linear speed of the belt 42 is
frame, a motor mounted on the platform, power
predetermined relatively to the peripheral speed
transmission means engaging the motor and the
of drum I1. Thus the belt moves a distance
drum and conveyor respectively for causing the
equal to the length 0f a blade 50 in the interval 45 motor to drive both the drum and conveyor ar
of time between which two successive blades ap
ranged whereby the belt may move a. distance
proach their zenith, so that there are no marked
equal to the length of one of said formations in
gaps in the sequence of the raisins deposited on
the interval of time between which two succes
the conveyor, or so as to prevent overlap of suc
sive formations approach their zenith, whereby
cessive streams so deposited.
50 to cause a thin continuous stream of particles to
What is here claimed is:
be deposited on said belt and mobilizing means
l. In a device of the class described, the .com
on the pedestal for ready portability.
bination with a conveyor, of a pair of spaced
4. In a particle apportioning device the com
apart shield members providing a shield dis
bination of a longitudinally movable depository
posed over the conveyor providing a restricted 55 element, a rotary depositing element in vertically
opening between said shield members shielded
encircling proximity to the depository element
on both sides thereof vertically aligned with and
and adapted to elevate the particles and drop
spaced above said conveyor, a rotatable drum
them by gravity toward the depository element,
surrounding the conveyor and shield members,
a deflecting shield within the rotary element and
blades in the drum for lifting particles disposed 60 partially covering the depository element, said
therein from the bottom of the drum to the top
sheld including a pair of shield members inclined
thereof and dropping them on said shield,
towards each other and extending longitudinally
whereby some of said particles pass through said
of the depository element and spaced apart in
opening onto the conveyor and others may fall
vertical alignment with said depository element,
back into the drum, means for rotating the drum 65 said shield members being arranged at substan
and operating the conveyor, and means for ad
tially fixed inclinations with respect to each
justing the size of the opening between said
other and the depository element, and means for
shield members to vary the number of particles
adjusting the distance apart of said shield mem
disposed on the conveyor during a given period
bers, said adjusting means comprising means for
of operation of the device, and to cause a `con 70 sliding at least one of the shield members toward
trolled stream of particles to be deposited on
and away from the other in their inclined planes,
said conveyor.
whereby to maintain the place where they are
2. In a device of the class described, the com
spaced apart in vertical alignment with said de
bination with a conveyor, of a, pair of spaced
pository element while maintaining a substan
apart shield members providing a. shield dis 75 tially uniform angle for said shield members
2,404,694.
7
8
with respect to each other and the depository
element.
place where they are spaced apart in vertical
alignment with said depository element while
5. In a particle apportioning device the com
bination of a longitudinally movable depository
maintaining the inclination of the shield mem
bers.
7. In a mobile unitary device of the class de
scribed, the combination with a. pedestal, of a
drum rotatably carried thereon, one end of said
drum having a central opening of smaller diame
ter than the over-all diameter of the drum to
provide a conical end for the drum, a frame mem
ber mounted in cantilever arrangement on the
element including an endless belt conveyor, a ro
tary depositing element in vertically encircling
proximity to the depository element, circumfer
entially equally spaced apart longitudinally elon
gated blades on the inner face of said deposit
ing element to elevate the particles and drop them
by gravity toward the depository element, a de
flecting shield within the rotary element and par~
pedestal and having one end extending through
tially covering the depository element to cause a
said central opening and another end projecting
portion of such particles so dropped to be de
therefrom, an endless belt conveyor entrained on
ñected from said depository element, means for 15 said frame member, a deñecting shield carried
rotating said depositing element and means for
on said frame with the drum and disposed par- '
moving said depository element arranged where
tially over the conveyor longitudinally thereof,
by the belt conveyor moves a distance equal to
said shield comprising a pair of shield members
the length of said blades in the interval of time
inclined toward each other and spaced apart to
between which two successive blades reach the 2.0 provide a restricted opening therebetween in ver
same rotative position with respect to the shield
tical alignment with said conveyor adjacent the
whereby to prevent substantial overlapping of the
particle streams on the depository element from
successive blades.
6. In a particle apportioning device, the com
bination of a longitudinally movable depository
element, a rotary depositing element in vertical
longitudinal center line thereof, formations in
the drum for lifting particles disposed therein
from the bottom of the drum to the top thereof
and dropping them toward the conveyor and
shield whereby some of the particles fall onto
the conveyor and others are deflected back into
the drum, mounting means carried on the pede
stal below the conveyor frame, a. motor mounted
ly encircling proximity to the depository element
and adapted to elevate the particles and drop
them by gravity toward the depository element, 30 on said mounting means, and power transmis
a deflecting shield within the rotary element and
sion mechanism carried by the pedestal engaging
partially covering the depository element, said
the motor, drum, and conveyor respectively for
shield including a pair of shield members inclined
causing the motor to drive both the drum and
towards each other and extending longitudinally
conveyor, said drum resting by gravity on said
of the depository element and spaced apart in 35 pedestal in position to engage said mechanism
vertical alignment with said depository element,
and being readily separable therefrom.
and means for adjusting the distance apart of
MORRIS COHEN.
said shield members whereby to maintain the
GERALD A. JORGENSON.
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