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Патент USA US2404882

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I July 30, 1946- _
ca. c. MONACO
I
2,404,882
ARTICLE HANDLING APPARATUS
Filed Feb. 25. 1945
3 Sheets-Sheet 1
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INVENTOR
GEoResC Ma/vaco
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_
BY
_
‘
WW iRNEY
ATT
July 30, 1946.
2,404,882
G. c; MONACO
ARTICLE HANDLING APPARATUS
3 Sheets-Sheet 2
File'd Feb. 25, 1943
INVENTOR
GEORGE C. /WONnco
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BY_
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A
“
-
ORNEY
July 30, 1946.
2,404,882
'G, c. MONACO '
ARTICLE HANDLING APPARATUS
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Patented July 30, 1946
2,404,882
UNITED STATES PATENT OFFICE
‘
‘
2,404,882
‘
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’ ARTICLE‘HANDLING APPARATUS
George ‘0. Monaco, Douglaston Hills, N. Y.
Application February 25, 1943, Serial No. 477,009
14 Claims. (01. 198-34) ‘
1
y
2
This invention relates to article handling ap
paratus.
More particularly the invention] is
directed to an apparatus for transferring baked
objects, such as crackers, biscuits, ?g bars and
the likefrom ?at position on a coolingvconveyor
to stacked upright position on a packing con
veyor.
-
.
‘ trated and described in my said copending appli
cation.
.
Other objects of the invention will in part be
obvious and in part hereinafter pointed out.
.The invention accordingly consists in the fea
tures of construction, combinations of elements
and arrangement of parts which will be exempli
In mycopending application, Serial N0. 450,011,
for ‘Stacking machines, ?led July 7, 1942, I have
?ed in the construction hereinafter described and
of‘ which the scope of the application will be in
disclosed a stacking apparatus having a conveyor
belt ‘on which cookies delivered from a cooling
conveyor are received and raised above a stacking
cam which discharges the cookies on a stationary
dicated in the appended claims.
grating. As cookies accumulate upon the grating
they are pushed forward on to a packing con~
veyor which carries them to packing operators.
It is an object of the present invention to im
prove the stacking apparatus disclosed in my said
copending application .so as to deposit cookies at
7 ‘
vCertain features of the invention, shown and/ or
describedbut not ‘claimed herein, are shown, de- -
scribed and claimed in my divisional application‘
for Article handling apparatus, Serial No.
541,956, ?led June 24, 1944.
In the accompanying drawings in which there
is shown one of the various possible embodiments
of the invention, _
‘
Fig. 1 is a top plan view of a stacking machine
a more uniform rate upon the stacking conveyor 20 and receiving end of a packing conveyor system
belt and feed cookies at a more uniform rate into
all embodying the invention, and showing also
the stacking cam.
the discharge end of a cooler conveyor system;
‘ Another object of the invention is to provide a
Fig. 2 is an enlarged fragmentary sectional view
taken substantially along the line 2—2 of Fig. 1;
novel means for facilitating the transfer of
cookies from the cooling conveyor belt to the 25 Fig. 3 ‘is a fragmentary view in partial section
stacking conveyor belt and for expediting the dis
taken substantially along the line 3-3 of Fig. 2;
tribution of the cookies into a plurality of
Fig. 4 is an enlarged‘ vertical sectional detail
view of the delivery end of the stacking machine
troughs, one of which is associatedwith each set
and associated receiving end of the packing con
of stacking cams. In this connection an ancillary
’
object ofthe invention is to provide a means of 30 veyor; and
Fig. 5 is a fragmentary sectional view taken
the character described which will prevent jam
ming ofcookies atthe point where they are trans- ' substantially along the line 5-5 of Fig. 4.
a
' Referring now in detail to the drawings, I have
A further object of the invention is to modify
there shown a stacking machine [0 in the process
of arranging cookies such as ?g bars F having ?g
jam centers enclosed in an open-ended covering
of baked sweetened dough. Said machine may
have the same general construction as that shown
ferred to the stacking conveyor belt.
the delivery end of the stacking machine and
associated receiving end of the packing conveyor
so as to eliminate the deposit of. cookies upon a
stationary element when ‘they are discharged
from the stacking cam, thereby lengthening the 40 and described in my said copending application
and comprises a receiving table l2, a series of
period the machine can operate before cleaning
cookie feeding troughs l4, and a means l6 for
stacking the cookies, all supported on a frame 18.
The receiving end of the stacking machine is dis
posed
below the discharge end of an article
that cookies ‘with exposed jam centers will travel 45 processing
machine such as a cooling conveyor
on a moving support and any jam deposited on
system 20, and the discharge end of the stacking
such support will not accumulate, thus preventing
machine ‘terminates at the receiving end of an
any interference‘ with the ‘operation of the ap
article moving machine such as a conveyor pack
is required.
.
,
An additional object of the invention is to pro
vide an apparatus of the character described such
paratus and frequent stoppage for cleaning pur
poses.
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ing system 22.
- Another object of the invention is to provide
anapparatus 0f the character described which
shall have the foregoing advantages‘and yet op
erate in a highly efficient and-satisfactory man
ner with but few changes in the‘ apparatus illus
I
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' .The'receiving table I2 comprises an inclined
endless conveyor belt 24 which travels over an
upper roller 26, a lower roller 28, a driving roller
30 and a pair of take-up and idling rollers 32, 34.
The driving roller 30 is ?xed to a shaft 38, turned
.55 from a source of power (not shown) which may
grosses
6
direction (as-viewed from Figs; 2aiid 4)‘. to press
position ofth'elb'élt.‘ Due to the shortlength'fof
the‘cookietoward the left. The‘ lower halves of
the cams I04 below the shaft I02 are sandwiched
in a grating‘ I I0 comprising several short parallel
bars “2', Supported on a cross-rod II4 extending
between the side pieces 40; The bars II 2 have
the belt ' I321'and the sharp'turns'iti'is requiredito'
make,':it is customary to make‘ this-belt: of metal
fabric,
of'ia fcojokiedispose'tl in ‘the indentations of a set
of‘ stacking cams at‘the time it reaches the level
of the packing conveyor belt so that it may there
after he pushed on to said belt by the intermediate
portion of ‘the cam. It will be appreciated that
due to the ‘constant rotation of the‘ cams there
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article processing system in some ‘detail; it should
their top edges ‘entering between adjacent foams
I04‘ and running substantially up to the conveyor
roller 64, being in horizontal-alignment with the
toprun of the packing conveyor belt 54. These
barsare'employed to arrest the downward descent
~
Although I have described this portion v‘o‘ftlie‘,
10
be vunderstood that any type of system “may‘b‘e
employed in conjunction with the stacking‘ma-i
chine embodying the invention, provided only
that the 'system- discharges cookies ?at andready
for stacking. upon the top run 42 of the‘ stacking‘
conveyorbe1t24.
‘
‘
1
‘g
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¢
"
Heretofore, cookies delivered ‘by cooling con
veyor systems to stacking machineshaving sepa
rator‘strips and means for reciprocating the same,‘
as‘described 'hereinabove, tended to jam' and ac‘
cumulate at the point of deliveryv of the cooling
conveyor system, despite shaking of the separator
b'etwee'n there will be no tendency to accumulate
strips and continuous movement of'the receiving
?gljam'on the bars I I2.
‘
Note ‘should be taken of the fact that the tips 20 belt 24. It has been necessary, beforethe present
of the grating bars H2 terminate substantially
invention was adopted, to ‘haveoperators per
at the extreme outer periphery of the stacking
manently stationed at‘ the delivery. end ‘ofvthe‘
cooling conveyor system whose'sole duty it‘was to
cams’ I04 in contrast with prior ‘practice in this
art, wherein the grating bars extended for a sub
break up piles'of cookies‘which accumulated‘ as
stantial distance beyond the stacking cams in
s'oonas jamming took place. and to direct ‘the.
order to provide a stationary support for the
packing separator strips 56 as shown in my co
massed cookies into the proper troughs. ‘Even
pending applications This shortening of the
though the operators became highly skilled at
this work, the tendency of the cookies to jam and.
grating bars and concomitant advantageous re
accumulate prevented an even flow thereof onto
location of the packing conveyor belt roller 64
immediately adjacent the stacking cams is only
the receiving belt 24 so that in practice troughs‘
possible because the packing separator strips 56
I4 were often empty 'all the way to a stacking
cam before the pile of jammed cookies. could. be
by‘ a stationary structural element over and on
broken up. This, obviously, materially detracted
from the efficiency of the machine and consider‘
which the cookies Jpass subsequent to stacking
ably added to the cost of operating the same. -'
but by an element, such as a separator strip 46
In'accordanc'e with thepresent inventionjliv
in the present invention are no longer supported
have overcome the foregoing ‘di?iculty'by provid
of the stacking machine, which is not contacted
by the under surf-ace of the stacked cookies.
ing a means for adding additional impetus to the‘
'At the receiving end of the conveyor belt 24
cookies as they are transferred from the dis-:
the'stacking separator strips 46 are all pivotally
charge end of an article processing system onto
attached by pins IIB to a shake bar I I8, which
the receiving belt 24. Such means causes the
has a reciprocatory motion imparted thereto in
cookies to clear the gap between the article proc4
essing system and the belt of the stacking ma
‘order to cause cookies, discharged upon the belt
24 by the cooling conveyor system 20, to‘be di
chine, ‘and, by being ‘arranged to contact the
rected into one of the troughs I4. The shake 45 cookies after they are On the receiving belt, pre
vents cookies from jamming‘ at this point and
bar carries rollers I20 at both ends thereof which
forcefully delivers them into the proper troughs‘.
are received in horizontal‘ slides in guide blocks
When a cookie accidentally lands upon one of the
I22 extending from the side frame pieces 40.
separator strips, said means holds‘ the cookie
An ‘additional roller ‘ I24, ?xed to the shake bar
against reciprocation so that the separator strip
H8, is adapted to ride upon‘ the face of a cam
can move out from under the cookie permitting it
I26 rotative with the belt pulley 28. Said cam
to fall into a trough.
has a plurality of lobes I28 adapted to cooperate
Said means preferably comprises an over-rid
with the roller. I24 for rapidly reciprocating the
ing drive, that is, a mechanism having a moving
shake bar I I8 and separator strips 46. The roller
I 24 is maintained in contact with the cam I26 55 surface which is adapted to frictionally engage
the upper surface‘ of cookies lying on the cooling
by a spring I30.
.
conveyor system and the stacking conveyor belt;
It will be noted that the'ends of the stacking
separator strips 46 adjacent the receiving end ‘ Any conventional type of over~riding drive can
be employed, such for example as a wire brush, an
offthe ‘stacking? machine conveyor belt 24 are re
duced from their full height, this construction 60 endless belt, or a rubber drum, the latter mech- '
anism being illustrated in. the disclosed embodi-_
being employed tofacilitate the dispersal into the
ment of the vinvention. Said drum comprises a
troughs‘ I4 of cookies delivered from the article
hollow cylindrical roll I44, whose operative ;sur-.
processing system 20.
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‘ Said system maybe of any-‘type known to the
face is fabricated from a sheet of soft resilient.
art, and for example may comprise a machine
65 rubber. . The ends of the rollfare turned and
‘wherein a series of pans or trays are moved in a
serpentine manner through a cooling maze and
are caused to deposit cookies upon a discharge
clamped between discs I46 and an end-forming
plate I48. The plates and discs are apertured
to receive bushings I50 ‘through which a ‘shaft
I52 extends. ' The bushings are provided withfset
conveyor belt I32, traveling around a plurality
‘ofi‘roll'ers I34, I36,»I38-, I40, I42. The foremost 70 screws I54 which bite into said‘shaft I52. ‘If de
sired, the shearing strain on the set screw ‘tips
roller I34 overlies the top run 42 of the stacking
may be relieved by'employing keys I55 disposed
machine conveyor belt 24. ‘ The roller I40 serves
as a drive, being actuated by the common source
in keyways in‘ the bushings and shaft This
structure facilitates'tensioning of the roll I44 and
of'power'. Therollers I38 and I42‘se_rve as idlers
-ana~taseuss~."l lThe'rollérq-?lde?iiesi theiréarinos't 75 minimizing sag of the soft rubber sheet..;::r:..;
snag-sec
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1_The :eiids 10f: the shaftiwhichf project beyond
the-‘bushings 'ild?ane cradled in openlbearings [56
are pivotally mounted on the side pieces 49 by
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as newand‘desire to secure byLcttersPatent;
7 1. For 'use with an article handling machine
' formed on the ends of cradle links 4-1-58. :Said
musics»:
Having "thus described .my invention, I claim
'
,. Means is‘ provided ‘to adjust thehorizontalpo
having a conveyor belt adapted to receive articles
discharged‘ from ag-delivery system by a means
forming part of :said system, and which means
propels articles out of said system and on toysaid
sitionof theroll. vSaidrmeans may comprise bear
ing blocksql 60, .one ‘of. which is pivotally affixed to
belt; means to prevent jamming ofart-icles at
their point of delivery to the belt, said means
each of-ithe cradle. links 1553. "Eachcf said blocks
threadedly engages a vertical screw :shaft 1:62 10 comprising an over-aiding drive mechanism in
whoselower end is rotatably mounted in .a :step
contactual relationship with and for ‘accelerating
articles as they are discharged by said propelling:
bearing I64 carried. by a side piece ‘411.. The‘shafts
liiaretnrncdiby handvvheelsil'li?.
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,
means from said delivery system and received on
.g
alsorprovidcdtto rotate the roll shaft
I152. ?a’idymeansamay comprise :a "sheave i168
?xed to an end‘ of the shaft 152 and {driven bya
said
belt;
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,2. For use with an article handling machine
having areceivingconveyor belt on which articles
belt till] from arsheave ‘I32, rotatably :iourn'alled
are discharged "from the conveyor belt ‘of a de
in’ a side‘ piece 40 and actuated by the common
livery system which, at the point of discharge, is
source .cf power. The belt ‘:H? isipreierably vre
disposed above the receiving conveyorsbelt: means
silientso that‘ ‘horizontal :adjustment'of the roll 20 to ~prevent jamming of articles ‘at their point of
I44 can-be re?ected without placing undue strain
delivery to the receiving belt, said means com
upon thebearings ‘I56 TOY‘ShGEWG 11-2, or unduly
prising an ‘over-riding drive mechanism "for ten
slackeningsaidbelt.
‘
I
gaging articles as they are discharged
said
delivery system and deposited ‘on the receiving
-.'I§he :drive, sheave 11.68 has a hub ‘disposed ad
jacent one of the xopen 'loearirrgs 156 and a collar
belt and causing them to move at .suchtime at a
I€|4iis pinned to the shaft ‘152 adjacent the other
speed greater than that at which either :of said
of the open bearings so as to prevent axial shift
belts moves the articles.
,
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ingofsa‘idshait.
.
5
_:'To ‘set the .machine :for operation the :hand
wheels Hill are so manipulated that the under
suitcase of the roll 1| 44 will lightly ‘lie .upon the top
surface .of ‘a cookie :at the endlof‘the cooling con
veyor ‘(discharge belt I32 :as well as upon a cookie
atthe receiving end of the "stackingmachine C011".
‘3. For use with an article handling machine
‘having a receiving conveyor belt on
articles
aredischarged from :the conveyor ‘belt of a :de
livery system which, at ‘the point of discharge,
is disposed above the receiving conveyor belti‘ ,
means to prevent jamming of articles at their
point :of :delivery to the?receiving belt, said means
veyorbelt 2'4. 'illhisensureswcoverage :of
points 35 comprising an ovcreriding drive mechanism for
where jamming :is likely ‘to .cccun It is not ab
accelerating articles as thcyareedischargcd from
solutely essential, however, to contact cookies at
said delivery :systemandsdepcsited'on said receiv
the end cfrthc ‘belt 132, if :the'undersurface of the
ing belt by frictionally contacting the uppersur
roll; I44 :is so arranged as to prevent jamming :of
faces of the articles with .an element moving in
cookies after they have left the same. SDue-to the
the direction of travel :of the articles and at :a
resiliency of the roll I44, cookies which are acci
speed greater than that at which "either cf said
dentally deposited atop the separator strips 46
belts-moves the articles.
and which are voverridden by said :roll will not be
4. ‘For use with an article handling machine
deformed or broken, but are prevented from ,re
having a receiving conveyor gbelton whichrarticlzes
cipltocation while such strips are shifted out from
arerlischarged' from the conveyor belt ‘of a lde~
beneath the same whereupon the cookie will be
livery system which, {at the point of discharge,
forced 'intoatrough [4 by the roll. ‘
is disposed above the receiving conveyor belt‘:
‘The speed ofirotation :or the roll .1 4-4 1550 regu
meansto prevent jamming of articles :at their
lated, ,either by adjusting the rate of angular ,ro
point for delivery to the receiving belt, :said means
tation of the :sheave 112 ‘or ‘by selecting. sheaves
comprising :an over-riding drive mechanism rim‘
168, ‘I 112 of proper diameter, thatzthe linear speed
accelerating articlesas ithey-are discharged from "
of the surface of the roll I44 isuslightly'greater
said delivery system and {deposited 101'1 :said 51'8
than ‘the linear speed of the stacking machine
ce'iving fbelt by friction-ally contacting the upper
conveyor belt '24. .1 have found that a speed in
surfaces of the articles ‘with an element .lmcving
crease ‘of ?ve per cent ‘will ggivecsatisfactory :re—~
in ‘the direction of travel of the articles and at‘
a speed greater than that at which zeither'of :said
belts moves the articles, and means to actuate
said .sover-ziding :drive mechanic-mi
tem conveyor belt 132 since it is standard pram
'5. For use with an article handling vmachine
tice in the cookie stacking?eldto have the stack 80 having a conveyor belt adaptedzto receivevarticlcs
ing machine conveyoribelt 24 traveling fasteriahan
discharged from a delivery system by .a means
suits; It will ‘be imderstocd'lbyr-theart that the
linear speed vof thero'll .l‘44 will also :bengmater
than the ‘linear speed of the delivery cooling sys
the delivery ‘belt I32 vfor'the cooling conveyor
system;
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' It will thus be seen that there is provided ‘a
device and‘ methodfor operating the same in
which the several objects rofthis invention are
achieved,. and which is well :adaptedto meet ‘the
conditionsof practicalnse.-
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1 As various‘possibleembodiments might bemade
or ':-the above invention, and
forming partlof ‘said system, ‘and which means
propels articles out of said system aandonto'said
belt: means togprevent jamming ~of;.articles at
their point of'cdelivery to the belt, said means
comprising an over-riding ‘drive mechanism for
accelerating ‘articles as they are discharged item
the delivery system and deposited on the ‘receiv
ing belt by frictionallycontacting the upper suc
various changes 70 face of "the articles with a, rotary element, the
contacting surface of which moves in the direc
tion of ‘travel of ‘the articles sandat aspeed ;greater
it is to ‘be understood thatall matter herein set
forth or shown :in the accompanying drawings is
than that at whichseit'her the propelling means
ot'the delivery system or the belt moves the
tobe interpreted aszillustrativeand not in .a limit
in: sense;
a '1 ‘
i is; L‘, .' I. i; .' 75 articles, and means toirrevolvesaid rotary element.
might ‘be made lnthe elnborlimentrabovezset forth,
2,404,882
10
6. A combination as set forth in claim 5 where
in the rotary element comprises a cylinder having
a yielding surface.
spaced separator strips overlying said belt and
plurality of parallel troughs extending in the di
rection of travel of the belt by a plurality of
or the belt.
extending in the direction of travel thereof:
means to prevent jamming of articles at their
point of delivery from said system, said means
7. A combination as set forth in claim 5 where
in the rotary element comprises a hollow cylinder Cir comprising an over-riding drive mechanism for
accelerating articles as they are discharged from
having a yielding surface.
the delivery system and deposited on the receiv
8. A combination as set forth in claim 5 where
ing belt by frictionally contacting the upper sur
in the rotary element comprises a cylinder having
faces of the articles with an element moving in
an axis of rotation spaced from the receiving
belt and disposed perpendicularly to the direc 10 the direction of travel of the articles at a speed
greater than that of the delivery system or the
tion of travel thereof.
belt, said element having a yielding surface con
9. A combination as set forth in claim 5 where~
tacting said articles whereby said surface may be
in the rotary element comprises a tube of soft
readily deformed by articles which lie atop the
rubber.
separating strips.
10. For use with an article handling machine
having a conveyor belt adapted to receive articles ..
13. For use with an article stacking machine
discharged from a delivery system by a means‘
having a receiving conveyor belt adapted to have
deposited thereon articles discharged Irom a de
forming part of said system, and which means
propels articles out of said system and on to said
livery system, and which belt is broken up into
belt: means to prevent jamming of articles at 20 a plurality of parallel troughs extending in the
their point of delivery to the belt, said means
direction of travel of the belt by a plurality of
comprising an over-riding drive mechanism for
spaced separator strips overlying said, belt and
accelerating articles as they are discharged from
extending in the direction of travel thereof, the
the delivery system and deposited on the receiv
strips being reciprocated transversely of the di
ing belt by frictionally contacting the upper sur 25 rection of travel of the receiving belt: means to
prevent Jamming of articles at their point of de
faces of the articles with an element moving in
the direction of travel of the articles and at a
livery from said system, said means comprising
speed greater than that at which either the de
an over-riding drive mechanism for accelerating
livery system or the belt moves the articles, means '
articles as they are discharged from the delivery
to actuate the over-riding mechanism, and means 30 system and deposited on the receiving belt by
to vary the spacing between said element on the
frictionally contacting the upper surfaces of the
one hand and the discharging end of said de
articles with an element moving in the direction
livery system and the receiving belt on the other.
of travel of the articles at a speed greater than
11. For use ‘with an article handling machine
that of the delivery system or the belt, said ele
having a conveyor belt adapted to receive articles 35 ment having a yielding surface contacting said
discharged from a delivery system by a means
articles whereby said surface may be readily de
forming part of said system, and which means
formed by articles which lie atop the separating
strips so as to prevent reciprocation of Such ar
propels articles out of said system and on to said
belt: means to prevent jamming of articles at
ticles with the strips and allow the strips to shift
their point of delivery to the belt, said means
out from beneath the same and the articles to be
forced into the troughs.
comprising an over-riding drive mechanism for
accelerating articles as they are discharged from
14. For use with an article handling machine
the delivery system and deposited on the receiv
having a conveyor belt adapted to receive articles
ing belt by frictionally contacting the upper sur
discharged from a delivery system by a means
forming part of said system, and which means
face of the articles with a rotary element, the
contacting surface of which moves in the direc
propels articles out of said system and on to said
tion of travel of the article and at a speed greater
belt: means to prevent jamming of articles at
than that at which either the delivery system or
their point of delivery to the belt, said means
the belt moves the article, means to revolve said
comprising an over-riding drive mechanism for
rotary element, and means to vary the spacing be
accelerating articles as they are discharged by
tween the axis of rotation of the rotary element
said propelling means from said delivery system
on the one hand and the discharge end of the de
and as they are received on said belt by frictional
livery system and the receiving belt on the other.
ly contacting the upper surfaces of the articles
12. For use with an article stacking machine
with a ?exible continuous member, the contact
having a receiving conveyor belt adapted to have
ing surface of which moves in the same general di
deposited thereon articles discharged from a de
rection as the direction of travel of the articles at
livery system, and which belt is broken up into a
a speed greater than that of the delivery system
GEORGE C. MONACO,
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