close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2106365

код для вставки
Jan. 25, 1938.
'
D_ w_ TlANO
2,106,365
CLOSURE APPLYING MACHINE
Filed July 18, 1956
6 Sheets-Sheet l
160
$6
I’?
l
I
lllllll
l
0R
'
CgmM lz/r. J’w
“VIZ M @zmmg,
_
ATTORNEY
5m. 25, 1938.
2,106,365
D. w. TIANO
CLOSURE APPLYING MACHINE
Filed July 18. 1936
6 Sheets-Sheet 2
INVENTOR
NhN .
I
“00. away @Amwx
ATTORNEY
Jan. 25, 1938.
2,106,365
D. w. TlANO
CLOSURE APPLYING MACHINE
Filed July 18, 1936
6 Sheets-Sheet 3
%%
INVENTOR
-
~
BY
'
-
0/ M Guam
ATTORNEY
_
Jan. 25, 1938.
D_ w_ TIANO
2,106,365
CLOSURE APPLYING MACHINE
Filed July 18. 1936
54
2 :7, j
>
'
6 Sheets-Sheet 4
~
9g
' NTOR
T151444; M _ We
1mm
ATTORNEY
Jan. 25, 1938.
D. w. TlANo
2,106,365
CLOSURE APP-LYING MACHINE
Filed July 18. 1936
6 Sheets-Sheet 5
INVENTOR
‘
'
‘
Ill’: 31am
ATTORNEY
Jan. 25, 1938.
D. w. TIANO
2,106,365
CLOSURE APPLYING MACHINE
Filed July 18, 1936
7
6 Sheets-Sheet 6
366
J04
r/
INVENTQR _
$W M4
ATTORNEY
Patented Jan; 25,1938 ‘
_ 2,106,365
UNITED STATES PATENT OFFICE
CLOSURE APPLYING \MACHINE
Dominic W. Tiano, Boston, Mass, assignm- to
‘
Pneumatic Scale-Corporation, Limited, Quincy,
Mass, a corporation of Massachusetts ’
Application July 18, 1936, Serial No. 91,395
9 Claims. (Cl. 226-88)
This invention relates to a closure applying
machine.
"
The invention has for .an object to provide a
novel and improved construction of closure ap
veyed from the machine to be subjected to a
plying machine which is adapted to apply clo
pletely applied condition. The present inven
sures to containers in a manner such that the
tion ?nds particular use ‘in the packing of coffee
vacuum process with the closure in its incom
01
closures may be incompletely applied to the
or other materials in jars in which it is the
containers so that in such condition the con
vention is to provide a novel and improved ma
practice to evacuate or partially evacuate the
?lled container before ?nally sealing the same.
In the improved closure applying machine‘it is 10
preferred to ?rst completely screw the closure
upon the container and to then rotate the clo
chine for applying screw closures to containers,
sure in the reverse direction through a predeter
and in which the containers are delivered from
mined amount to partially unscrew the same and
thereby obtain a uniform positioning of the
tainers may be readily evacuated, or partially so,.
without the complete removal of the closure.
A further and-more speci?c object of the in
the machine with the closures partially screwed
thereon so that in their unsealed condition the
containers may’ be subjected to evacuation or to
the introduction of gas therein through the space
between the threads on the closure and con
tainer.
With these objects in view, and such others
as may appear, the invention consists in the clo
sure applying machine and in the various struc
I» on
air space between the closure and the container,
and in this condition the container may be con
tures, arrangements, and combinations of parts
hereinafter described and particularly de?ned in
the claims at the end of this speci?cation.
In the drawings illustrating the preferred em
bodiment of the invention, Fig. l is a vertical sec
tional view of the container supporting and clo
sure applying mechanism; Fig. 2 is a sectional
plan view of the driving section of the machine;
Fig. 3 is a plan view of the closure applying
mechanism shown in Fig. 1; Fig. 4 is a sectional
plan view on the line 4-4 of Fig. 1, illustrating
the chuck reversing mechanism; Fig. 5 is a ver
tical section of one of the closure applying mech
anisms; Figs. 6 and '7 are sectional views on the
lines 6-.—6 and 1—1, respectively, of Fig. 5; Fig.
8 is a detail partly in section of a portion of the
closure applying chuck shown in ‘Fig. 5; Fig. 9
is an inverted plan view of the ‘closure holding
member as seen from the line 9--9 of Fig. 5;
Fig. 10 is a development of the cam for lowering
and elevating the closure applying unit, and
Figs. 11 and 12 are sectional side elevation and
sectional plan views respectively of a modi?ca
tion to be referred to.
In general, in its preferred form, the present
invention contemplates a machine for applying
screw closures'to containers such as bottles or
jars, and in which provision is made for revers
ing the rotation of the closure applying unit to
the end that the closure is unscrewed a predeter
mined amount so that the closure will rest loose
ly on the threads of the container leaving an
closure on the container.
Referring now to the drawings, and particu
larly to Figs. 1, 2 and 4, the illustrated .machine
is provided with a base 2 having mounted there
on a closure feeding mechanism generally indi
cated at Ill and a revoluble head 12 upon which
are mounted to revolve therewith a plurality of
and, as herein shown, four individual closure
applying devices I4. Each closure applying de
vice is arranged to be individually rotated dur
ing the revolution of the head to screw a closure
Hi0 upon the threaded neck of a container 20
held by clamping members I6, I‘! of a revoluble
container supporting table la. The table I8 is
arranged to revolve with the closure applying
devices, and provision'is made for engaging and
releasing the containers at different stations in
the revolution of the container supporting table.
The revolution of the revoluble head l2 and
also the container supporting table 18, is effected
by a driving motor 24 arranged to drive a shaft
30 through pulleys 25, 26 and belt 28 as shown in
Fig. 2. The driving shaft 30 is journalled in
bearings 32 in a casing 34 secured to and sup
ported by the base of the machine, and is pro
vided with a worm 36 which cooperates with a
worm wheel 38 formed on the lower portion of
a cylindricalvdrum 40, see Fig. 1. A sleeve 42
is attached at its lower end to the inside of the
cylindrical drum by the bolts 43, and at its upper 45
end to the circular container supporting table I8
by a key 44., The clamping jaws l6, l1 above
referred to for clamping the containers are
mounted upon the revoluble table to rotate
therewith.
Provision is made for effecting the revolution
of the closure applying devices [4 about a cen
tral supporting shaft 50 through connections be
tween the closure applying devices and the sleeve
42, including, as shown in Fig 1 an inner sleeve 55
2
2,106,865
48 having an elongated keyway 41 within which
an elongated key 48 secured to the outer sleeve
is slidably ?tted whereby to eii'ect rotation of
the inner sleeve while permitting the vertical ad
justment of the sleeve for the purpose of ad
justing the vertical position of the closure ap
plying devices to accommodate the machine to
diiferent heights of containers.
The closure applying devices are mounted
10 upon the top of the inner sleeve 45 by a support
ing bracket 52 held by a key 58 to the upper end
of the sleeve. Thebracket 52 has attached to it
a plate 54 which forms a supporting member for
the individual capping head casings 88 and to
15 which they are fastened at their-lower ends by
movable gripping jaw I‘! to close and yieldingly
hold the container in position to permit the clo
sure applying operation to be performed during
one portion of the revolution of the table and to
release the containers so that they may be dis
charged during another portion of the revolution
of the table.
"
Provision is. made in the illustrated machine I
for transferring the caps I88 from the cap feed
ing mechanism I8 to the capgapplylng devices 10
58 while the latter are revolving, and as herein '
shown, see Figs. 1 and 3, each closure applying
device is provided with an oscillatory transferring
arm I58 mounted to revolve about the central
shaft 58 with the closure applying devices as the 15
screws 58. The individual capping head cas
latter revolve. Provision is made for effecting
ings 88 are secured at their upper ends to the the oscillations of the‘closure transferring arms
revoluble head I2 by screws 53 so that the nota- . at such a point in the revolution of the closure
tions of the inner sleeve 48 are transmitted di
applying devices about the shaft 58 as to enable
20 rectly to the capping head casings and head I2
the successive caps or closures to be withdrawn 20
to cause the casings 88 to revolve about the sta
from the end of the closure feeding chute I85 and
tionary shaft 58, as will be apparent from an in
to be transferred to a position under the chuck
spection of Fig. 1.
' 88 to be engaged by the latter during the revolu
Each closure applying chuck indicated gener
tion of the closure applying devices. As herein
25 ally at 88 is mounted to slide: vertically within
shown, each transferring arm is secured to a
the capping head casing 88 and a vertical motion vertical shaft I52 and each shaft is arranged to
is imparted to the individual chucks from a cam be oscillated by a cam I54 through cooperating
path 88 in a cylindrical drum 18, the upper end . cam rollers I58 carried by a cam lever I58 se
of which is secured to a ?ange 12 of a sleeve 14 cured to the shafts I52. Springs I88 hold the
30 keyed to the stationary shaft 58, as illustrated in
Fig. 1. Each capping chuck is provided with a
cam roller 18 which rides in the cam path 58, and,
as illustrated in Fig. 5, each cam roller ‘I8 is ro
tatably mounted on a stud 88 secured in an an
nular split collar 82. The halves of the split
collar 82 are held together by means of screws 84
in an annular groove 88 cut in a chuck housing
88. An anti-friction bearing 88 on the stud»~88
guides the latter in a vertical slot 82.
40
/
Referring now to Fig. 1, the cap feeding mech
anism I8 in the illustrated machine may com
prise any suitable or known form of cap feeding
mechanism, and as herein shown includes a hop
per I8I for storing a bulk supply of the caps
I88 and from which successive caps are selected
and delivered right side up through a feed chute
I85, and the operating mechanism for selecting
and delivering successive caps into the feed chute
I85 may comprise that illustrated in the U. S.
patent to R. N. Doble No. 1,801,721, to which ref
erence may be made for a complete description
thereof.
During the application of the caps, the con
tainers are supported on the table I8 and are
?rmly gripped and held from rotation by the
clamping members I8 and IT. The clamping
members are arranged to engage and release the
containers at the different stations in the revo
lution of the table I8 and as herein shown each
00 set of clamping members comprises the station
ary jaw I8 and the movable jaw IT. The sta
tionary jaw is secured directly to the table and
the movable jaw is fastened to a vertical stud I38
which is pivotally mounted in the table I8. The
65 movable jaw is arranged to be moved by an inner
rolls against the cam. As hereih shown, each 30
transferring arm' is provided with a hub I82
and during the operations of the machine the
hub I52 is caused to pass under the endmost
cap in the manner illustrated in Fig. 1 to deposit
the cap I88 upon the hub I82.
35
Referring now to Figs. 1 and 4, during the rev
olution of the cap applying chuck 88 about the
shaft 58, each cap applying chuck is caused to
rotate about its own axisin order to completely
screw the caps ‘or closures upon the containers, 40
and thereafter, as herein shown, the direction of
rotation of the cap applying chuck is reversed to
partially unscrew the cap a predetermined
amount. As herein illustrated, each cap apply
ing chuck is provided with a pinion 84 keyed to 45
the top of the chuck housing 88 and each pinion
84 meshes with a stationary gear segment 88
secured to the sleeve ‘I4, during that part of the
revolution of the machine in which the cap is
being applied. Also in mesh with each pinion
84 are idler gears 88 which are loosely mounted
on studs I82 secured to the revoluble head I2.
After the chucks 88 have been revolved in one
direction a predetermined amount, the pinion 84
leaves the gear segment 98 and rotation of the 55
chuck is momentarily interrupted until the idler
gear 88 comes in contact with a smaller gear seg
ment I84, which, through the idler 88, reverses
the rotation of the cap applying chuck 88, as
shown in Fig. 4. The gear segment I84 is se
cured to a ?anged hub I88 which is keyed to the
sleeve ‘I4. In order to relieve the shock of the
gears coming into engagement, the segments are
yieldingly mounted and, as herein shown, the
segment I84 is pivotally mounted on a stud I88. 05
cam surface I32 through a roller I34 on a lever The outer end of the segment is provided with a
I38 pivoted on a pin I38 secured to the under bolt II 8 which slides freely through a slot in a
side of the table I8. A second arm I48 of the lug I I2 extending from the ?anged hub I 88. A
lever I38 is connected to a lever I42 secured to the coiled spring II4 encircles the bolt between the
70 lower end of the vertical stud I38 bya connecting segment I84 and the lug II2. A washer H5 and 70
rod I44. The roller I34 is held against the cam ‘ nut II8 provided on the bolt on the further side‘
I32 by a spring I48 whichis connected at its other of the lug hold the segment I84 in normal en
end to a stud extending from the underside of the gaging position with the idler gears 88. Simi
table. In operation, as the table I8 revolves, the larly, the gear segment 88 is provided with a
75 cam roller I34 acting on the cam I32 causes the separate section I I8 pivoted on a stud I28 secured 75
2,106,866
3
in the segment 96. The outer end of the section
pression spring 2I6 so that when the driving
H8 is provided with a bolt I22 which extends
through a slot in a lug I24 formed integral with
the segment 96. A coiled spring I26 encircles the
member is rotated in a clockwise direction the
clutch members will rotate together until the cap
bolt between the section H8 and the lug I24 and
yieldingly urges the segment outwardly while
the latter is held in normal, engaging position
by a nut I25 and washer I21 on the bolt on the
further side of the lug. By reference to Figs. 1
10 and 10 it will be seen that the gear segments 96,
I04 are positioned at di?erent levels and that
theidler gears 98 rotate with the pinions 94 with
out producing any effect until the idlers come in
contact with the segment I04 whereupon the ro
tation of the pinion 94 is reversed. The pin
ion 94 is made of s cient length to permit the
segment I04 and idlers 98 to remain in mesh with
the pinion 94 in t '’e various vertical positions into
which the pinio and chuck housing are moved
20 during the ope ation of the machine.
Referring now to Figs. 5, '1, 8 and 9, each clo
sure applying device comprises a housing 88 slid
ably and rotatably mounted in the casing 60.
The housing 88\is provided at its lower end with
25 the cap gripping\mechanism 66 which is ar
ranged to receive the cap. The gripping mecha
nism 66 comprises serrated jaws I 10 radially
mounted in a disc I12 secured to the lower end
of a spindle I18. The jaws are urged outwardly
or into open position by springs I14 and, as here
in shown, are closed by clutch ?ngers I16 which
are pivotally mounted in the spindle I18. The
second arms I80 of the clutch ?ngers bear against
a conical surface I82 of a rod I84 which is ar
ranged to be raised and lowered during the op
eration of the machine, to open and close the
jaws I10. As herein illustrated the rod I84 is
yieldably mounted within the spindle I18,“ a
spring I86 normally urging the rod upwardly
40 against a compressing member I88 which in turn
is held in its adjusted position with relation to
the spindle I18 by a cap I90 which is attached to
the upper section of the spindle. The compress
ing member I88 bears against a rod I92 which
45 is provided at its upper end with a roller I94 co
operating with a stationary cam I96. The rod
I92 is guided vertically in a turret I98 formed
in the revoluble head I 2. The cam I96 is se
cured to a ?ange 200 which is keyed to the sta
50 tionary shaft 50.
As the capping heads revolve
about the shaft 50, the cam I96 operates to press
down the member I88, compressing the spring
I86 and thus lowering the conical surface‘ I82
permitting the jaws I10 to open.
The spindle I18 is rotated with the housing
88 through connections which permit slippage
when the cap has been screwed down to the limit
of the threads andprovision is made to posi
tively engage the driving connections when the
60 rotation of the housing 88 is reversed to unscrew
the cap.
screwed
pins 204
member
As herein shown, a ?anged sleeve 202,
onto the spindle, I18 is provided with
which engage in slots 206 with a driven
208 of a clutch. A collar 2I0 provided
' with pins2 I2 which are arranged to project into
elongated slots 2I4 in the housing 88 forms the
driving member of the clutch. A compression
spring 2I6 supported between a ?ange 2I8 and
has been screwed onto the container, whereupon
the driven member comes to restjwhile the driv
ing member is permitted to slip over the teeth
222 of the driven member. The clutch continues
to slip until rotation of the housing in a clock
wise direction ceases or until the pinion 94 leaves
the gear segment 96 when the rotation is inter 10
rupted until the idler gear 98 engages the small
gear segment I04 to cause the pinion'94 to ro
tate in a counter-clockwise direction.
This rota- _
tion is transmitted to the driving member 2I0
of the clutch through the connections described 15
and as herein shown, see Fig. 8,'the teeth of the
clutch members are designed for positive en
gagement in a counter-clockwise direction so
that no slipping of the clutch can occur. In this
manner, each cap is successively unscrewed uni 20
formly to the end that a de?nite amount of air
space is maintained between the closure and the
container preparatory to evacuating the con
tainer. During the operation of the machine
when the top of a container comes in contact with 25
a cap held in the jaws of a chuck, provision is
made for permitting the gripping mechanism
to move vertically in ‘the chuck housing 88 so
that this portion of the chuck will have a uni
versal ?oating centralizing action to more read 30
ily apply the cap to the container, particularly
where there is any irregularity either in the cap
or in the container, which would otherwise tend
to throw the center of the cap out of line with
the center of the neck of the container. This is 35
accomplished by providing a conical surface 226
on the spindle I18 normally supported by a
corresponding conical surface 229 on a collar 230
secured to the bottom of the chuck housing 88.
In the illustrated machine the containers are
carried into the machine on a conveyor 232 of
any suitable construction, such as parallel chains
running over sprockets, not shown, and as the
containers are received by the machine, provi
sion is made for delivering the containers to the 45
clamping jaws I6, I1 as the latter are moved
into a receiving position. As herein shown, see
Fig. 4, the containers are delivered onto a rotat
ing disc 234 and thence conveyed by a toothed
rotary member 236 to a position to be delivered 50
onto the revoluble table I8 and to be received
by the clamping jaws I6, I1 which have previ
ously been opened ready to receive a container.
The jaws close about the container and as de
scribed the container is moved through succes 55
sive stations where the closure is ?rst screwed
onto the container and then partially unscrewed
whereupon the jaws I6, I1 are opened and the
container is guided to a rotary disc 238 which 60.
conveys the containers to a discharge conveyor
240. The latter may comprise a belt or any other
usual or preferred form of conveyor for con
tinuously removing the containers from the ma
chine. Provision is made for driving both rotary 65
discs 234, 238 and the toothed member 236 from
a gear 242 out upon the drum 40 and, as shown
in Fig. 2, the gear 242 is arranged to mesh with
a collar 220 urges the members of the clutch into a similar gear 244 secured to a vertical shaft 246
engagement. Referring now to Fig. 8, the driven \ upon which the toothed member 236 is mounted.
member 208 of the clutch is provided with but The gear 244 is arranged to mesh with a gear
two teeth, on opposite sides, one of which 222 is 248 upon a vertical‘ shaft 250 upon which the
visible in Fig. 8. These teeth engage the teeth rotary disc 234 is mounted. The rotary disc 238
224 in the driving member 2I0 and as herein mounted upon a vertical shaft 252 is arranged
to be driven from the gear 244 through an idler
75 shown are yieldingly urged together by the com
4
2,100,305
' __
gear
254 and a gear; 208 secured to the vertical
M
shaft 252.
'
Ill/the operatiori of the embodiment of the
invention thus fa described, the containers are
guided between the rails “I, 233, onto the rotary
disc 234 and then carried by the toothed member
236 to a-position to be received by the clamping
members l9, l1. During the rotation of the
revoluble head 12, the transferring arm I50 has
10 picked up‘ a cap from the cap feed chute I05,
and, at a point designated at A, see Figs. 4 and
I0, the chuck 66 is opened and lowered to receive
, the cap. The chuck is then vclosed around the
cap and raised to remove the cap from the trans
15 ferring arm. As the machine continues in op
eration, with the cap and container in vertical
alignment, the chuck 99 is rotated through the
. segment 96 and pinion 94, and, at a point des
ignated B, the chuck is lowered to apply the cap
mechanisms shown and described in the United
States patent to R. N. Doble, No. 1,801,721, above
referred to.
From the above description it will be observed
that the present closure applying machine is
capable of successful operation upon varying
types and- sizes of closures and containers, and
that by means of the positive unscrewing of the
closure from its completely applied position, uni
form operation may be obtained with the varying 10
sizes andstyles of closures.
‘ vWhile the illustrated embodiments of_ the in
vention have been described, it will be understood
that the invention may be embodied in other
forms within the scope of the following claims.
Having thus described the invention what is
claimed is:'—
’
1. In a closure applying machine, in combina
tion, a rotatable closure applying device, con
20 to the container. When the caphas been screwed
tainer engaging means, means for relatively mov
all the way down, the clutch members 209, 210,
are arranged to slip until the pinion 90 leaves
the segment 96 when the rotation of the chuck
is interrupted until, at a point designated C, the
25 idler 98 in mesh with the pinion 94, engages the
segment I04 which reverses the rotation of the
chuck and through positive engagement of the
ing the container and said closure applying device
toward and from each other, means for rotating
clutch members 208, M0, unscrews the cap ap- _
proximately 14 of a turn, whereupon the chuck
30 releases the cap‘ and the container with the cap
loosely placed thereon is ejected from the ma
chine, betwecn guides 235 and 231 onto the rotary
disc 238 which carries the containers to the dis
charge conveyor 240.
As will be seen from an
inspection of Fig. 10 the cam 08 is designed to
raise and lower the chucks to cooperate with the
cap feeding and applying mechanisms as above
described. That portion of the cam between A
20
the closure applying device to ?rst screw a closure
completely upon the container, and means for
thereafter rotating the closure applying device 25
in the reverse direction to partially unscrew the
closure thus applied.
2. In a closure applying machine, in combi
nation, a rotatable closure applying device, con
tainer engaging means, means for relatively mov
30
ing the container and said closure applying device
toward and from each other, means for rotating
the closure applying device to ?rst screw a clo
sure completely upon the container, and means
for rotating the closure applying device a prede
termined amount and in the reverse direction to
partially unscrew the closure thus applied.
3. In a closure applying machine, in combina
40 to permit removal of the transferring arm I50
tion, a rotatable closure applying device, con
tainer engaging means, means for relatively mov
and thereafter lower the chuck to apply the cap
to the container. Rotation of the chuck is ini
tiated at an intermediate point between A and
B, see Fig. 4, so that the cap is being rotated
45 when it comes in contact with the container at B.
ing the closure applying device and container
engaging means toward and from one another,
means for relatively rotating the closure applying
device and the container in one direction, and
means for relatively rotating the closure applying 45
' andB is designed to ?rst raise the chuck slightly
The chuck continues to follow the low portion
of the cam 98 during the cap“'applying and re
versing operations, between B and C, whereupon
the cam 68 raises the chuck to its high point to
permit the container to be ejected and to permit
' the transferring arm with a new cap to be moved
into alignment with the chuck. A slight drop in
the cam path 98 permits the chuck to pick up
40
device and the container in a reverse direction
to partially unscrew a closure after the same has
been completely screwed onto the container by
rotation of the closure applying‘ device in the
?rst mentioned direction.
50
4. In a closure applying machine, in combina
tion, a closure applying device having means for
engaging a cap during the rotation thereof to
the cap whereupon a new cycle is started.
screw the same'onto a threaded container, means
Referring now to Figs. 11 and 12, as herein
shown, a modi?ed form of the present invention
is illustrated. In this modi?cation the central
for rotating the closure applying device in one 55
direction to apply the closure to the container,
and means for thereafter effecting the rela
tive rotation of the container and closure thus
applied to partially unscrew the closure.
5. In a closure applying machine, in combina 60
tion, a revoluble closure applying device, means
for effecting the rotation of the closure applying
device about its own axis during its revoluble
shaft 51 is arranged to rotate and the operating
cams 1 I, I91, and segmental gears 91, 99, attached
60 to the shaft 5| are arranged to rotate with it.
The idler gear 99 is supported in a stationary
bracket 30! attached to the machine frame, and
likewise the single chuck casing BI is secured
to the underside of the stationary bracket. Thus
the chuck is raised and lowered, rotated and
reversed in a manner similar to the embodiment
illustrated in Figs. 1 to 10, except that the casing
6| is stationary and the shaft 5| is rotated. In
operation the containers may be delivered to the
70 machine on a suitable conveyor 300 and then
brought to. rest on a platform 302 where a suit
able clamping mechanism 309, 306, of any usual
or preferred form may be employed to align the
container with the chuck 61. The caps may be
75 supplied to the chuck manually or through the
movement, whereby to screw a cap entirely on a
threaded container, said means including a seg 65
ment adapted to remain in operative connection
to the closure applying device during a portion
only of its revolution, means for thereafter re
versing the rotation of the closure applying device
during a portion of the remaining part of its 70
revolution, and revoluble container holding means
for operatively supporting the container during
the closure applying operation.
6. In a closure applying machine, in combina~
tion, a closure applying device adapted to en 75
9,108,865
5
gage a cap to screw the same onto a threaded
in one direction includinga clutch adapted to
container, means for rotating the closure apply
ing device including a clutch adapted to slip
when the cap has been completely screwed onto
the container, and means for thereafter posi
tively rotating the cap and closure applying de
slip when the closure has been completely screwed
onto the container, a pinion connected to the
closure applying device through said clutch, and
a rotary gear adapted to engage said pinion to
e?ect said rotation and to be thereafter disen
vice in the reverse direction to partially unscrew
gaged from said pinion, and a second gear mem
ber adapted to engage the pinion after the ?rst
the closurea predetermined amount.
7. In a closure applying machine, in combina
10 tion, a rotatable closure applying device adapted
to screw a closure onto the threaded container,
means- for rotating the closure applying device
in one direction including a clutch adapted to -
slip when the closure has been completely applied
gear has become disengaged for eifecting rotation '
of the closure applying device in the reverse 10
direction to partially unscrew the closure, said
clutch being constructed .to slip in one direction
only.
9. In a closure applying machine, in combina
tion, a plurality of rotatable closure applying de 15
applying device through said clutch, and means. vices, means for rotating said devices in one di
cooperating with the pinion for positively effect
rection including a pinion connected to each
ing rotation of the closure applying device in the device, and a single gear adapted ‘to cooperate
reverse direction, said clutch having provision with all of the pinions and to be disengaged there
whereby slipping thereof is prevented during such from after each closure has been completely 20
reverse rotation.
.
screwed onto the container, and means for there
after positively rotating each closure applyingv
8. In a closure applying machine, in combina
tion, a closure applying device for engaging a device in thereverse direction to partially un
cap to screw the same onto a threaded container, screw the closure.
2.) means for rotating the closure applying device
DOMINIC W. TIANO.
25
to the container, a pinion connected to the closure
Документ
Категория
Без категории
Просмотров
0
Размер файла
1 037 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа