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_ Sept. 24,1946.
-
G. GOEBEL- l-:rAL
I
>
2,408,019 "
ARTICLE HANDLING lAPÍ’ARA'L‘US
- originalriled oct. 17, 1938
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G. GOEBEL ETAL ,
7 2,408,019
ARTIGLE HANDLLNG APPARATUS
Original Filed Oct. 1'7',` 1938
a ‘sheets-'sheet 2
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Sept. 24, 1946.
l
G. GOEBEL ErAL
2,408,019
ARTICLE >HANDLING APÉARATUS
original Filed oct. Í1'7, '193s
8 Sheets-Sheet 5
- .War/2g .7.7.
.Sept
41.9.46.
` G_ GO'E-'BEL’
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*2,408,619
original Filed'oct. 17,1938
‘ _a sheets-sheet 4'
v .ARTICLE HANDLING API’ARAT‘US
Sept. 24, 1946.
G. Gorslsnïl.- ETAL
2,408,019
ARTICLE HANDLING APPARATUS
Original F'ile‘d Oct.. 17, 1938
8 Sheets-*Sheet 5
Sept. 24, -1946.
G. GOEBEL ErAL
2,408,0»19
ARTICLE' HANDLING APPARATUS
original Filed oct. 17, 1.938
8 Sheets-Sheet v6
/
Sept» 24, 1945-
G. GoEBEL ET AL
~
2,408,019
ART I CLE HANDLING APPARATUS
-OriginalAFiled Octl. 17, 1938>
{Sheets-Sheet 7
Sept. 24, 1946.
.
G. GOEBEL.' ET Al.
.
2,408,019
ARTICLE HANDLING APPARATUS
Original Filed Oct); 17, 1938
G
'35
150
8 Sheets-Sheet 8`
1,5
Patented Sept. 24, 1946
2,408,019
UNITED STATES lPATENT OFFICE
2,408,019
ARTICLE HANDLING APPARATUS
George Goebel, deceased, late of Baltimore, Md.,
by Helene Goebel, administratrix, Baltimore,
Md., and Harry A. Rau, Baltimore, Md., assign
ors to Crown Cork & Seal Company, Inc.,
Baltimore, Md., a corporation of New York
Original application October 17, 1938, Serial No.
235,496. Divided and this application Novem
ber 12, 1942, Serial No. 465,380
7 Claims.
l
(Cl. 198-24)
2
The present invention relates to an article
handling apparatus. The application is a di
vision of the application of `George Goebel and
Harry A. Rau for Coating apparatus, rfiled Octo
ber 1'7, 1938, Serial No. 235,496 and issued No
vember 9, 1943, as Patent No. 2,334,087.
An object of the invention is the provision of
a means to transfer articles from one supporting
Figure 11 is a longitudinal vertical sectional
View on the line II-Il of Figure 3;
`
Figure 12 is a transversevertical sectional view
on the line l2-l2 of Figure 5;
l
Figure 13 is a view on an enlarged scale of a
portion of the mechanism shown in Figure l2;
Figure 14 is a transverse vertical sectional view
on the line lll-i4 of Figure 1, and
means to another supporting means without in
Figure 15 is a sectional View on the line lli-_I5
terrupting the travel of the article and without 10 of Figure 14.
marring it in any way.
'I‘he structure and operation of the present ap
Another object of the invention is to provide
paratus may be generally described as follows:
an apparatus of such construction that a can
The embodiment of the apparatus disclosed here
or other article may be so handled and supported
in is primarily intended for handling cone-topped
that it can be thoroughly coated over its entire
cans C during the application of lacquer thereto.
exterior surface, including its mouth or other
Such cans have a cone-shaped top wall and a
aperture, during passage through a single ap
mouth or pouring spout formed to receive a cap
paratus.
of the crown type. The machine may be general
The invention is described and illustrated here
ly described as comprising two portions, namely,
in as applied to the handling of cone-top cans 20 an inieed and spraying portion I8 (Figures 1 and
such as are used for packaging beer or other bev
3), and an oven or drier portion i9 (Figures 1, 2,
erages and, more particularly, for the handling of
and 8).
`
`
such cans during the coating of the same. How
Cans to be coated are delivered to the infeed
ever, it will be clear that the invention may be
and spraying portion I8 of the machine through
used for the handling of numerous types of ar
an infeed chute 2li (Figures 3 and 5), each can
ticles while they are being treated for various
falling into a pocket of an infeed spider 2|. As
purposes, or simply to transfer them from one
shown in Figures 3 and 12, the upper run of the
conveyor element to another.
Y
'
main conveyor 22 of the apparatus moves along
Another object of the invention is to provide
side the infeed spider 2l and each can C moving
a drier including a heating area and a cooling
down upon the spider Will be forced laterally of
area through which a conveyor may successively
the latter by an aligned reciprocable rod of a can
move coated articles and which is of such con
seating mechanism 23 so that the mouth of the
struction that it will occupy a minimum area.
can will be brought into engagement with an
Other objects and advantages ofthe invention
aligned supporting element, head, or stud 24 on
will be apparent from the following specification
the adjacent side of the conveyor 22, the mouth
and drawings wherein:
of the can then ñtting snugly about the support
Figure 1 is a plan view of the present appara
. ing element.
tus;
As described in said original application, each
Figure 2 is a side elevation of the apparatus;
supporting device or stud 24 may be ñxed to a
Figure 3 is a plan view of the infeed or spray 40 spindle 25 which is rotatable in the conveyor
ing portion of the apparatus;
chain 22, and immediately after the can has been
Figure 4 is a vertical longitudinal sectional view
positioned on the supporting stud or head 24 a
of the article transfer mechanism;
pinion or sprocket 26 midway of the spindle 25
Figure 5 is a side elevation of the infeed. or
may come into engagement with the upper run
spraying portion of the apparatus;
45 of an endless chain 2l (Figure 5) moving below
-Figure 6 is a detail vertical sectional View show
the conveyor 22 and in the opposite direction to
ing the transfer drum in side elevation;
the direction of movement of the latter. As a
Figure '7 is a transverse vertical sectional View
result, the spindle 25 and the can C carried there
on the line 'l-'l of Figure 5 ;,
by may be rotated on their longitudinal axes.
Figure 8 is a vertical sectional view on the line
During such rotation the can may move beneath
8-8 of FigureZ ;
-
Figure 9 is a transverse vertical sectional view
on the line 9-9 of Figure 5;
a pair of spray guns 28 and 28a (Figures 3 and
12), one of which is positioned to direct lacquer
upon the bottom wall of the can, the other gun
being mounted to direct lacquer upon the side
Figure 10 isa transverse vertical sectional view
on the line Ill-l0 of 'Figure 5;
55 wall, cone top and the exterior portion of the
2,408,019
4
3
The can will be removed from its carrier 35
by a can removing mechanism 38 positioned at
i mouth of the can. Since the can is rotating on
its own axis during the spraying, its exterior will
the opposite end of theroven from the infeed
and spraying mechanism I8, as shown in Figure
be entirely coated with the lacquer.
If the above spraying is performed, the aligned
1. As lbest shown in Figures 14 and 15, the
mechanism 38 comprises a rotary wheel provided
with axially >projecting suction plungers` 39. The
plungers 39 are successively brought into contact
with the mouths of the cans C within the carriers
concluded, the can remaining upon the support
ing element or head 24 to be carried through the 10 35 and draw the cans into a pocketed discharge
wheel 49 from which they may be removed by
drier portion I9. The conveyor 22 moves alter
any suitable mechanism.
nately back and forth in the drier I9 as indi
The detailed construction of the various mech
cated in Figure 2 so that the can will be sub
anisms of the apparatus is set forth below.
jected to drying treatment for approximately
fifteen minutes. As indicated in Figures 2 and 15 Infeed mechanism and mechanism for conveying
8, throughout the initial and greater part of its
cans by engagement with can mouth
rod of the can seating mechanism 23 may be in
contact with the center of the bottom of the
can while it occurs, but the rod will move out
of contact with the can when the spraying is
-
travel in the drier I9 the conveyor 22 moves
through the upper part of the drier, where it
will be subjected to the action of heated air, but
Referring to Figure 5, the infeed chute 20 is
moves through a cooling chamber 30 so that
a cone top can downwardly through the same
formed of substantially vertically extending rods
the lowermost run of the chain in the drier I9 20 secured together in suitable arrangement to guide
with the longitudinal axis of the Vcan lying in Va
horizontal plane, the lower end of the chute ter--4
drier. VVAs indicated in Figure 11, the lower run
minating above the rotary infeed spider 2I. As
of conveyor 22 which moves from the lower por
tion of the drier I9 will move about a pocketed 25 best shown in Figures 12 and 13, the infeed
spider2i is formed of two discs 50 secured to a
spider 3| and while the chain is moving about
hub 5I keyed on a shaft 52 journaled between
this spider, the Cans C will be removed from the
the side frame elements 511 and 55.
Y
supporting heads 2-4 of the conveyor 22 and will
Shaft 52 is rotated byreason of the fact that
be positioned upon a transfer drum 32 (Figures
30 it Vcarries a large sprocket wheel 58 Vformed of
3 and 11) .
spaced discs having notches 59 in'their periph
As generally-illustrated in Figure 3 and as
eries, which notches` are engaged by the spindles
shown in detail in Figures 9 and 11, drum 32
25 on main conveyor chain 22 as the main con
is provided with a plurality of axially extending
veyor chain moves over the wheel 58 by a’drive
grooves in its periphery, in which the cans are
received. While rotating with theV drum, the 35 imparted thereto as hereinafter described.
As part of the can seating mechanism 23, shaft
cans will be moved to the far ends of the grooves
52 also has a pair of spaced sprocketl wheels 50
. so that their conical ends will be positioned in
secured thereto„preferably on a common hub
aligned pockets of a disc 33 which rotates with
69a, and a pair of relatively spaced sprocket
transfer drum 32. After such movement with
the drum 32 and disc 33, the cans willbe re 40 chains 6l ,move about these sprocket wheels, and
also about a second pair of sprocket wheels 62
-ceived in pockets of a spider 34 formed of a pair
positioned somewhat further along the frame of
of aligned and pocketed discs, spider 34 being
each can will be fairly cool when it leaves the
the machine as shown in Figure 5, so that the
fixed to the same shaft as spider 3l, as indi
cated in Figure 3 and as shown inV Figure 10.
upper run of the two ch'ainsiël will be parallel to
Cans` carried by the spider 34 will be in axial 45 the upper run of main conveyor chain 22. '
alignmentl with cup-shaped supporting elements
_
At the moment that a can C is positioned inV
one set of the pockets provided in the peripheries
of the discs 5E) of infeed spider 2I, one of a series
of rods or plungers 63 each reciprocably mounted
carriers 35 are of sufficiently large internal di- l
ameter to receive the base portions of the cans, 50 in the two laterally spaced endless chains 6I will
be opposite the central portion of the bottom of
~ and the cans will be moved into the carriers 35
a can, as best shown in Figures 3, 12`, and 13.
by a fixed inwardly inclined guide element or
As illustrated in detail in Figures 12 and 13, the
strip 35a shown in plan in Figure 3.
rod 63 'is urged toward the bottom of the can
As indicated in Figures 3 and 12, shortly after
a can is positioned in one of the carriers 35, the 55 by a spring 64 surrounding the rod and posi
tioned between the adjacent chain 6I and the
section of the chain 22 upon which that carrier
head of an angled bar 65, which angled bar
is positioned will move over the previously men
extends along the rod and back over the chains
tioned oppositely moving endless chain 2'I so that
6I to the opposite and rear end of rod 53. vThe
thespindle 25 with which the carrier 35 is as
sociated will be rotated, causing the can to ro 60 'rear end of the rod 63 has a roller 66 journaled
thereon, which roller engages a cam track 611
tate. If the cans are being coated, they will
extending about an arcuate plate 68 ñxed to the
move `beneath a spray gun 33 which will direct
framework of the apparatus.
, ‘
lacquer upon thev rotating lip and inner surface
As indicated in Figure 12, each spring 64 urges
of the mouth of the can while the cans are being
the corresponding rod 63 toward the spider 2I
vthus rotated. In any event, rotation of the can
and during movement of a rod 53 along the lower
will cease after its spindle 25 has moved out of
run of the path of travel of the chains 6I, each
engagement with the endless chain 21, and the
spring 64 is free to move its rod to its extreme
can will again move through the drierl I9. As
inward position (the left-hand position of Figure
stated above, the fconveyor 22 moves alternately
`12), thismovement being limited by the contact
back and forth within the drier I9, as illustrated
of the screw 65a carried by each bar 65 with the
in Figure 2, so that the can will again be in the
rear side of the adjacent chain 6I. However,
drier for approximately fifteen minutes.l Also,
when the roller 65 of the rod engages the cam
>during all of this travel through the oven, the
or carriers 35 carried on the spindles 25 at the
opposite end thereof from'the heads 24. The
canC will 4be subjected to the action OÍ heated
air.
shoulder 61, the rod will be retracted through
the chains 6I so that its inner end will be clear
2,408,019
5
6
of a can C just being positioned in the infeed
spiderI 2 I. Immediately thereafter, the roller will
move off the upper and inwardly inclined end 69
wheels 62, cam shoulder 95 being of such con
formationA that it will retract each presser rod
of cam shoulder 61 so that the inner end of
63 from a can bottom as the presser rod moves
arranged concentric with the axis of the sprocket
the rod 63 will contact with the bottom wall of
downwardly and about the sprocket wheels 62
the can which has been deposited in the pocket
with the rod carrying sprocket chains 6|.
of the infeed spider 2 I. The spring 64 is of suñi
While the cans are moving to the oven or drier
cient strength to slide th'e can through the pocket
I9 on the main conveyor 22, the presser rods 63v
of the infeed spider 2 I to bring the mouth of the
will move through the lower run of .travel of the
can onto the aligned can supporting head 24 of 10 can seating mechanism chains 6| to again ride
the main conveyor chain 22.
along the stationary can shoulder 61 to engage
As is described in said original application, and
another can newly positioned upon the in?eed
as is best shown herein in Figure 13, each can
spider 2 I.
supporting head 24 is pinned to one of the spin
The drier mechanism
dles 25 included in the main .conveyor chain 22,
As
best
shown
in Figure 2, when entering the
and the outer end of each head 24 is of suñl
drier I9, the main conveyor chain 22 moves up
ciently reduced diameter, as indicated at 12, to
wardly about a guide sprocket |00 and then over
enable the mouth of the canA to> freely slide upon
an upper guide sprocket |0| to run in a horizontal
the head. However, the reduced portion 12 is of
path to an upper sprocket. |02 at the rear end of
sufliciently large diameter to` prevent the can
the oven. The chain then alternately moves
from tilting suiïiciently far to fall from the same.
about
vertically spaced idler sprockets and shafts
The inner end of the reduced portion 12 termi
|03 at the rear end of the drier and driven
nates in an outwardly facing shoulder 13, which
sprockets |04 at the front of the oven so that the
limits the inward movement of the can C with
chain follows a tortuous course through the
respect to the head.
heating chamber |05 which comprises the main
After the main conveyor 22 moves a very short
portion ofthe drier I9. As shown in Figure 8,
distance in the direction indicated' by the arrow
the
shafts |04 are interconnected by sprocket
B in Figure 3, each' can C will be freed from the
chains |06 outside the drier, the lowermost shaft
infeed spider 2|, and the. presser rod 63 aligned
with each can will be carried by its similarly 30 |04 being driven by a sprocket chain |01 from a
motor |08'. Shaft |0| is geared to the uppermost
moving supporting chains 6| away from the sta
shaft |04. The shafts |02 and |00 are idler
tionary cam 61 so that the roller 66 of that rod
shafts.
will be entirelyV disengaged from the cam 61 and
At the lower end rear portion of the chamber
the rod will be held in contact with the bottom of
|05,
the conveyor 22 leaves the oven through an
the can by its spring 64, as indicated in Figure
opening ||0 and passes about a large sprocket
3'. If the can is being coated, the sprocket wheel
drum ||| forming part of the can removal or
26 ñxed intermediate the length of the can sup
outfeed mechanism. 'I‘he cans carried upon the
porting spindle 25 will contact with the sprocket
supporting heads 24 of the main conveyor 22 will
chain 21 (Figure 12) which moves in the oppo
not be removed by the mechanism 38, but will
site direction to the direction of travel of main
continue to move with .the conveyor chain 22
conveyor 22.
through the lowermost and cooling chamber ||2
Since the presser rod 63 is at this moment» in
of the drier I9, the conveyor moving directly
contact with the bottom of the can C, the can
through this chamber andv leaving the same
will be held in a substantially horizontal plane
through the front opening H3.
while the spindle 25 which carries the same is e.
The oven or drier I9 is of such relatively large
being rotated at a fairly rapid speed of rotation
proportions as indicated in Figures 1 and 2 that
by chain 2‘1. 1f the can is being coated, it will
that though the conveyor 22 is driven at suf
move beneath the two spray guns 28 and 28a
ficient speed to handle incoming cans at the rate
supported from a cross frame 90 while it is still
of one hundred and forty per minute, neverthe
rotating; The spray guns may be supplied with
less, approximately ñfteen‘ minutes will elapse
_ lacquer under pressure from any suitable source,
between the entrance of `a can upon the con
and spray gun 28 is positioned at such an angle,
veyor chain 22 into the drier I9 and the exit of
as shown in Figures. 3 and 112, that it will direct
that can from the drier through Ithe opening `| I3.
a spray of lacquerl against the bottom wall of
The heating chamber |05 of the oven is sup
the can and. also against the side wall of the
plied
with heated air from a heating apparatus
can. The spray' gun 28a is supported at such ar..
generally indicated by the numeral ||5 (Figures
angle by the frame 90 th'at it. will direct lacquer
l, 2 and` 8) , the heated air being forced into the
against Athe conical top portion of the can and
oven by a blower I I6. Such air flows through an
somewhat about the` exterior of the can. mouth.
Due to the rapid rotation of the can during the (ii) l inlet duct |`I1 to a distributing duct II8 which
extends the length of the bottom of the oven and
spraying, lacquer will be deposited over all of
is provided with suitable openings in its upper
the above described exterior surfaces of the can.
wall to permit ilow of heated air therefrom at
Also, by reason of the fact that the rotation of
various points along the length of .the oven.
the cans continues for a brief time after each
A suction fan IIB communicates with an ex-V
can has passed out of the range of the spray (35 haust
duct |21? positioned in the upper portion
guns, the lacquer will be freely ñowed over such
of the heating cham-ber |05, the duct |20 drawing
exterior portion of the cans to be evenly dis
air from the entire length of the oven. The with
tributed thereon. Due to the fact that the can
drawn air and fumes may be returned through a
is supported by its mouth, as indicated in Fig
duct I2| to the suction side of the blower ||6
ure-13, the spray gun 28a. may not project lacquer TI) to be re-delivered to the oven, or may be at least
over the entire lip surface of the can.
As indicated in Figure 3, the presser rod 63
will be retracted from the can by reason of the
fact that the roller 66 on the presser rod will
comeY into contact- with' a fixed cam shoulder 95
partially exhausted from the apparatus through
an outlet duct I2 I'a.
As indicated above, the extreme lower run of
the conveyor 22 moves through the cooling cham
ber H2 at .the bottom of the drier 29. Chamber
2,408,019
the'spider 3| with the side walls of the cans.
Just after the can thus carried by the spider y3|
| I2 has a duct |22 communicating therewith at
v-arious points spaced along one side wall, which
comes into engagement with one` of the pockets
lor grooves |3| of transfer drum 32 ñxed to shaft
duct is supplied with cool air or air at normal
temperature by a blower |23 driven by a motor
|24. The air entering the chamber | I2 from duct
|22 may move directly through the chamber to
exhaust through the opposite opening and oppo
site side |25 of this chamber, or may be con
veyed away by a suitable duct.
By the above arrangement, the coating of lac
|29, the opposite portion of the can willalso
come into contact with the infeed end |33 of the
helical guide bars |32, so that the can will now
be completely stripped from the spider 3| _and
will move upwardly with the transferV drum 32. 10
quer applied to _a can C will be completely dried
and hardened and the can is at normal tempera
ture when it leaves the drier I9.
Mechanism for transferring cans to opposite side
`
'
'
v
A pipe |40 of helical form also encircles the
periphery of transfer drum 32, this pipe being
positioned somewhat to the side of the helical
guide bars |32 nearest the plane of spider 32,
Íand between these guide bars vand the periphery
of the transfer drum (Figure 7).
Pipe |40 has
apertures therein on its surface facing along the
of conveyor
- After leaving the drier I9, a canfmounted on
a can supporting head 24 and moving with the
grooves |3| and` the pipe'is supplied with com
pressedair from a suitable source through a line
|4|. The guide bar 35a, also of generally helical
lower run of the conveyor 22 will move to the left
as viewed in Figures 5 and 11 so that the can 20 form, is positioned on the side of the guide'bars
will be carried beneath (and entirely clear of)
the infeed-spider 2| to the extreme end portion
E32 opposite pipe |40, and between guide bar |32
and the periphery of the transfer drum. The
guide bars |32 and 35a and the pipe |40 are suit
of the run of the conveyor 22, which encircles
ably supported by brackets adjacent the drum
a large double sprocket wheel |26 best shown in
32 as illustrated in Figures 9 and ll.
Y _
25
Figure 10. Sprocket wheel |26 is fixed to a shaft
By the above construction of guide elements
|21 suitably journaled in the side frames of the
about the transfer drum 32, as soon as a can is
apparatus and, as shown in Figure 3, is geared
completely freed from the .spider 3|, it willbe
as at |28 to a shaft |29 at the extreme end of
forced to the left (Figure 9) by the jets of com
the apparatus >which is driven through a series
30 pressed air issuing from the »pipe |40.` Such
of sprocket chains |29a from the motor |08.
movement of the can along the grooves |3| .will
The two sprocket chains of which the main
cause the can Ato be moved out of the vertical
conveyor 22 is formed will be engaged by the
plane of thc spider 3| and into `the plane of
two sprocket wheels of double sprocket |26 so
spider 34 (Figure 10). It will be observed that
that the spindles 25 will be maintained horizontal.
the provision of the helical guide bar 35a oppo
Shaft |21 has the spider 3| ñXed thereto along
site the compressed air pipe |43 .will> cause cans
side the sprocket wheel |26 and the spider 34 is
to be moved along the grooves |3| of the trans
fixed to shaft |21 at the opposite side of sprocket
fer drum by a continuous and gradual movement.
|26. As shown in Figure 10, as a spindle 25
That is to say, there can be no sudden movement
moves adjacent double sprocket |26, the can C
carried by the supporting head 24 of that spindle 40 0f the cans along the grooves such as might
will move into a pocket of spider 3| and rotation
of the spider with shaft |21 will move the can
upwardly as shown in Figure 11,
Just before
moving upwardly about the spider 3|, `the side
.wall of each can will contact with a pair of guide
strips |30 (Figures 9 and l1) which will force the
can to lie in a horizon-tal plane.
' A lateral guide bar |35 is positioned adjacent
the guide bars |35, guide bar |35 being inclinedV
outwardly toward the plane cf the spider 3|, so
cause the mouths of the cans to be dented.l
Each can will remain upon vthe transfer drum
32 during one full revolution of the same, and,
as best indicated in Figure 9, at the time that
this one revolution is completed, the mouth of
the can will project from the far edge of the
drum and will partly lie in the spider or disc `33.
In other words, as indicated in Figure 3, .each
can enters the drum 32 directly in the plane of
the spider 3| but, because it moves in a helical
that as the cone top wall of a can comes‘in con
path, leaves the drum in the plane of spider 34,
tact therewith as indicated in Figure l0, the
somewhat as indicated at A in Figure 3. -At this ‘Y
moment', also, the can will ride beneath »an arcu
mouth of the can will be moved out of engage
ment with the can supporting head 24 and, as
»shown in Figure 1l, the can will merely be sup
ported in the pockets of spider 3| by the bottom
` guide strips |30.
f As illustrated in Figure ll, the pockets of the
spider 3| are aligned with grooves or pockets |3|
in the transfer drum 32 and a pair of spaced
l*helical guide bars |32 surround the periphery
of transfer drum 32, the infeed ends |33 of the
bars |32 projecting between the discs |34 of
which> the sprocket 3| is formed, with the eX
treme lower ends of the infeed portion |33 of the
guide bars positioned substantially` directly be
ate guide bar |45 which overlies the can receiv
ing spider 34 and the'can willY be strippedfrom
drum 32 and placed in an aligned pocket of spider
34. As shown in Figures 3 and 4, .the substan
tially helical guide bar 35a which surrounds
transfer drum 32 has its _outfeedend |43a ex
tending away from the transfer‘drum' 32 with
the extreme end portion thereof returnI bent
toward the spider 34 with the result that as
upwardly moving cans are removed `from the
transfer spider by fixed arcuate guide |45, the
cans will simultaneously be moved axially of the
spider 34 and into cup-shaped holders 35 pro
tween the axes of the spider 3| and transfer
>drum 32 and between the two discs of which
spider 3| is formed.
vided on the main conveyor 22 or may -be sup
». By the above arrangement, each can willI be
shaped carrier or supporting means 35 as illus
trated in Figure 3, the movement of the main
conveyor 22 toward the drier will'bring the pro
freed from its supporting head 2_4 immediately
after it comes in contact with the lower guide
f|3û and lateral guide |35 and the cans will-then
be moved up the lower guide |30, free of the
ported by other conveyor means.
After a can has been positioned Vin the cup
jecting cone-shaped portion of the can beneath
the spray gun 36, as shown in Figure 12. Gun
~conveyor 22,- byv- engagement of the pockets of 75 _36 is supported, at suenan angie that it win direct
e
"2,408,019
" 9
10
lacquer upon the mouth of the can, including the
inner wall of such mouth. During movement
beneath the spray gun 36, the spindle 25 to which
39 has been retracted by the cam track `|56 a,
suñicient distance to draw the can C from the
carrier 35 into the aligned pocket of the outfeed
spider 40. The passage |64 of that suction head
will at that time move into communication with
the carrier 35 is secured will be rotated by move
ment of the endless chain 2l beneath the same
and in engagement with the sprocket E6 which
a second passage |10 in the fixed ring |64, which .
is secured to the spindle.
passage opens to the atmosphere. By this latter
arrangement, the suction acting upon the can
through the head 39 will be terminated and the
suction head freed from the mouth of the can
'
After' the spindle has moved cut of engage
ment with the endless chain 2'! and from beneath
spray gun 36, the can C will be carried into the
-drier I9, following the same course of travel that
it followed when supported upon the supporting
head 24. However, during the present movement
through the drier, the can will move only through
the heated portion |65 of the drier; that is, when
the carrier 35 leaves the rear end of the oven
through the opening | I6, the can will be removed
by the can-removing apparatus 38, illustrated
so that the can will be free to drop from the
outfeed spider 46. A collar |'|| ñxed to shaft |5|
includes pins |'l2 which extend into ring |63 vso
that the latter will rotate with respect to fixed
ring |65a. Springs |13 positioned between-col
lar |'|| and ring |63 hold the latter in close en
gagement with iixed ring |65a.
The operation of the entire apparatus has been
set forth in the general description and opera
tion of the apparatus at the opening portion of
this speciñcation. Figure 1 illustrates how two
apparatus of the present invention may be posi
in detail in Figures 14 and 15.
As shown in Figures 14 and 15, the portion of
the conveyor 22 which moves from the drier
through the opening H6 moves about a sprocket
|56 fixed to a shaft |5| journaled in suitable
tioned side by side in such a way as to conserve
bearings indicated at |52. Shaft |5| also carries
floor space, namely, by having the drier blower
the outfeed spider 49, as well as a wheel 38, hav 25 and motor of one drier I9 offset with respect to
ing suction elements 39 spaced about its periph
the blower and motor of the other drier, and
ery, the suction elements 39 being of rod-like form
with these blowers, motors, et cetera, positioned
and reciprocable in the wheel 38 on lines par
between the two apparatus.
allel with the aXis of the wheel, and one suction
It will be understood that the various mecha
element 39 being aligned with each carrier 35 on 30 nisms described as forming part of the present
the conveyor 22 and also with pockets on the
apparatus may be used either together, as de
outfeed spider 46. The outfeed spider 40 is po
scribed, or as portions of other article handling
sitioned between the conveyor sprocket wheel |59
apparatus.
and the wheel 38.
The terminology used in the specification is for
Each suction element 39 has a roller |55 pro 35 the purpose of description, the scope of the in
vided thereon, which roller moves in a circular
vention being indicated in the following claims.
cam track |56 formed on the periphery of a ñxed
We claim:
cylindrical supporting element |51. The cam
l. In combination, a conveyor, means extend
track |56 is of such form that when a suction
ing laterally from said conveyor to support an
member or rod 39 is at top dead center position
article, a rotary article supporting members
on the wheel 38, that suction element will be posi
spaced laterally from ‘said conveyor, a moving
tioned inwardly so that its mouth | 6U, preferably
element positioned at the opposite side of said
formed of rubber, will be in engagement with
member from said conveyor, plungers. recipro
the mouth of the can C supported in the aligned
cable in said last-named element adapted to en
carrier 35. As the wheel 38, outfeed spider 49 45 gage articles carried by said member, and means
and conveyor sprocket |59 rotate together in the
to reciprocate said plungers to engage an article
direction of the arrow in Figure 15, the suction
carried by said article supporting member and
element 39 will be retracted until it has entirely
move it vinto engagement with‘the article sup
withdrawn the can from the carrier 35 as shown
at the lower portion of Figure 14. This move
ment will be completed at about the time that
the can and suction element reach bottom dead
center position (Figure 15). During its contin
uing travel between this lower position and the
upper position, the suction element 39 may be I
moving outwardly again toward the spider 49.
Each suction element 39 has a tube | 6| ex
porting means on said conveyor.
2. In combination, an endless conveyor includ
ing means extending laterally therefrom to Sup
port articles, moving means spaced laterally from
said conveyor to support articles in alignment
with said supporting means on the conveyor, and
stationary guide means associated `with said mov
ing means and positioned in the path of move
ment of articles carried by the `latter to engage
the articles and move them from said moving
means and into engagement with said support
tending between the bore |62 of the tube and
a ring |63, which ring is rotatable upon a mani
fold |64 fixed to the bearing housing at the ad 60 ing means on the conveyor.
jacent end of shaft |5|. As shown in Figure 14,
3. In combination, an endless conveyor hav
the ring |63 is provided with an angled passage
ing means projecting from one side thereof to
|63@ for each tube |6I, this passage opening to
support an article, means projecting laterally
the inner side of the ring so that it may com
from the other side of said conveyor to support
municate with an arcuate suction passage |65
an article, and means including an element mov
formed in the ñxed ring |65a and communicat
ing with said conveyor to remove an article from
ing with a suction pump through a line |66. As
said first-named supporting means and position
shown in Figure 14, the arcuate suction passage
it upon said last-named supporting means.
|65 is so positioned in the ring |65a that a tube
fi. In combination, an endless conveyor hav
ISI will communicate therewith during the time 70 ing means projecting from one side thereof to
that the corresponding suction head 39 is ap
support an article, means projecting laterally
proaching top dead center position with respect
from the other side of said conveyor to support
to shaft |5I and that head is therefore moving
an article, and a rotary drum adjacent said con
outwardly toward the aligned can mouth (by ac
veyor and of a width su?licient to support ar
tion of cam track |56) and until the suction head 75 ticles in the plane of both of said article sup
2,408,019
11
12
porting means on said conveyor, and means to
remove articles from said conveyor, position them
on said drum, vmove the articles transversely of
said drum and reposition the same upon the other
article supporting means of said conveyor.
5. The combination in an apparatus for suc
into engagement with an article on said convey
Y cessively treating difîerentçportions of an article,
of an article transfer means comprising a rotary
ing element to exert a suction eiîect on the ar
ticle and then move saidv device to Withdraw the
article from said conveying element to said sup
porting element.
7. In combination, conveyor means, a series of
article supporting members projecting in one di
rection from said conveyor means, a second series
of article supporting members projecting in an- i
drum having grooves in its periphery extending
parallel to its axis, means toposition an article 10 other direction from said conveyor means, a
transfer drum adjacent said conveyor means and
in a groove of said drum adjacent one end thereof,
rotatable on an axis parallel to the axis of the
and ñxed helical guide means encircling said
latter, means to transfer articles to said drum
drum to engage an article positioned thereonA and
from the members extending in one direction
move the same tothe opposite edge of said drum,
vsaid fixed guide means including a jet member 15 from said conveyor means, means to move an ar
ticle along said drum in a direction parallel to
to direct fluid against the article to move the
the drum axis, and means to then transfer the
same across the Width of said drum.
article from 'said drum to one of the article sup
_6. In combination, an article conveying ele
porting members extending in the other direction
ment, mean-s to support an article carried by said
element, an article supporting element movable 20 with respect to said conveyor means.
HELENE GOEBEL.
co-axially with said element, a suction exerting
article engaging device movable co-axially with
said elements, and means to move Isaid device
Admîmìstratrz'x of George Goebel, Deceased.
HARRY A. RAU.
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