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Oct. 22, 1946.
Filed June 8, 1944
2; Sheets-Sheet 1
Oct-22, 1946.
2,409,899 '
Filed June 8/1944
, 2 Sheets-Sheet 2
”- - 7
//2 _///
‘ //3 I95
Patented Oct. 22, 1946
' 2,499,899
Manuel S. Resina, Brooklyn, NY.
- Application June 8, 1944, serial No. 539,260 '
(01. 226-88)
11 Claims.
more particularly‘ to chucks known as cap ap
Another object herein lies‘in the provision of
structure of the class described, wherein the ef
plying chucks. vSuch chucks ?nd considerable
utility in connection with containercapping ma
fective gripping pressure and its consequent fric
This invention relates generally to chucks and
tion upon the cap, may-be adjusted to‘ suit var.
ious'container capping conditions. ~ A feature of
the present invention lies in the fact that ‘the
chuck operates e?‘iciently under long periods of
chines in which a screw cap or similar closure is
temporarily gripped by the chuck and is released
by the chuck after the cap or closure has been
properly secured in place over the entrance to
the container.
The present application constitutes a contin
uation in part, of my application for a container
capping machine or the like co-pending here
continuous use and it makes accommodation ‘for
variations in size and shape of ‘the caps. such as
10 occur in‘a plurality of caps ‘when manufactured
under ordinary commercial tolerances.
These objects and other incidental ends and
advantages will more fully appear in the progress
of this disclosure and be pointed out in. the ap
ent invention to provide cap chuck constructions . 15 pended claims. In the drawings inrwhich similar
wherein the cap is frictionally engaged by the
reference. ‘characters designate corresponding
parts throughout the several views‘of each em;
chuck, with sufficient friction so that the chuck
with, ?led July 26, 1941 under‘ Serial No. 404,160.
It is among the .principal objects of the pres
does not become undesirably displaced from or
released by the chuck and yet in which the degree
of friction may be so adjusted that when the
‘ Figure. 1 is afront fragmentary elevational view
partly in section of ‘a ?rst embodiment of the
chuck is used with metal caps the lacquer or
enamel coating thereon, is not damaged by the
gripping members, and similarly when‘ the chuck
Figure 2 is a fragmentary front elevational view
of the ?rst embodiment-of ‘the invention.
is used with caps composed of plastic materials
Figure 3 is a horiz'onall'sectional view. as seen
of a relatively fragile character, said caps are not 25 from the plane 3—3 on Figure 1.
damaged or cracked.
Figure 4 is a front fragmentary elevational
View partly in section of a second embodiment
Another. object herein lies in the provision of
chuck structures of the class described, wherein
of the invention.
Figdr‘e15 is ‘a fragmentary front elevational
upon the full and proper seating of the cap or
closure with the opening or neck edge of the 30 view of the second embodiment of the inven
container with which the, cap is used, the grip
c Figure 6 is a horizontal ‘sectional view as seen
ping action. ceases and the chuck may be rotated
from the plane 6-—6 on Figure 4.
an excessive amount without'damaging the cap or
Figure 7 is a fragmentary vertical sectional
container even where they are composed of rela
tively fragile material as for example, Bakelite 35 View corresponding to Figure 4, but showing the
and glass, respectively.
cap as retained by the chuck. ‘
Another object herein lies in theprovision of
chuck structures having a cushioning element
Figure 8 is a‘ horizontal sectional view corre
sponding to Figure 6 but showing the cap as re- '
tained by the chuck.
adapted to prevent. crushing, deformation, » or
Turning now to the ?rst embodiment of the
breakage of the cap or container by virtue of 40
invention illustrated in Figure 1, the chuck is
excess pressure in a direction toward the con
indicated by the ‘reference character C and for
tainer in the cap locating or can seating opera
tions with which such chucks are customarily uti
the purpose of more clearly understanding the
manner in which the same is ‘used, certain parts
are shown for mounting and rotating the same
In order to accomplish the foregoing novel and
useful results, it is necessary and desirable that V‘
and these correspond to the similar parts dis- '
the resilient means which actuate the gripping
elements, be sensitive in character and such
vclosed in my co-pending application Serial No.
404,160 referred to hereinabove. The shaft 90 is
adapted to be ‘rotated in such a direction that
when the cap I I is in the chuck, it may be turned
so as to threadedly engage said cap upon the
means have been obtained by the ‘use of mate
rials which are to some extent, subject to crys
tallization, fatigue or deterioration ‘due to age.
It is, therefore, among the objects herein to pro
I vide structure wherein said means may be con-.
veriiently and expeditiously replaced as. required
by conditions of use. _
threaded neck of a bottle or similar container not
Depending ‘from the lower end‘of shaft 90 is
:35 the cap ‘applying chuck ‘C, said cap applying
chuck C comprising cylindrical body member 9|,
has a frictional action between the lowermost
surface of the body member 9| and the upper
having an external thread 90a, formed in the
lower outer face thereof. An internally threaded
sleeve member 92, having a lower inwardly pro
surface of the ?ange 95 so that the sleeve I92
may be axially rotated to vary the effective length
jecting peripheral ?ange 95 engages the thread 5 of the chuck and hence the point at which the
9Ila of the body member SI, and has positioned
lower surface of the ?ange 95 will engage the
between the upper face of the ?ange 35, and the
upper surface of the lower rim I3.
bottom face of the body member 9|, a gasket 95
Turning now to the second embodiment of the
of rubber or similarrmaterial, Formed ingthe
invention illustrated in Figures 4 to 8 inclusive, 7
for the purpose-of avoiding unnecessary repeti
tion, certain parts corresponding to those de
?ange 95 are aipluralityi'lof' horizontal and cen
trally radiating bores Q7, said bores 91 having
their inner end edges slightly constricted. Posi
tioned in each of said bores is a ball bearing 98,
' scribed in connection with the ?rst embodiment
of the'invention, are given the same reference
“character with the addition of the pre?x “1”,
a compression spring 99, said compression spring '
having one end pressing against the inner face 15
of the screw I60 and forcing the ball bearing
98 towards the axis of the chuck, the ball bear- '
ing being retained within the bore since the inner
constricted edge of saidbore is of slightly’less
diameter than the ball bearing.
The chuck CC has a body member I9! of gen
erally cylindrical shape, having an external
thread I?Ila formed in the lower outer surface
thereof. An internally threaded sleeve member
20 I92, having a lower inwardly projecting periph
‘A‘vertical bushing member IllI rotationally
eral flange I95, engages the thread Isila of the
engages the shaft 90 above body'member BI‘,
body member IilI.
and has the ball bearing member 9Ia positioned
between .body member 91 and bushing IUI, said
face of the flange I95 and the bottom face of
the body member I9I is a cushioning member
between the upper '
bushing member having a pair of parallel hori 25 or gasket I96 which may be composed of rub'-_
her or other similar compressible, resilient mate
zontal grooves vIUIa formed therein._ ‘The chuck
rial. The ?ange I95 is provided with a plurality
oscillating arm is indicated by reference char
acter I I15. The forward end of ' thekarm I05 is
of horizontally disposed slots ‘or openings I91,
forked and said fork I03 has a pair of parallel
_ having upper and lower walls IZIl'and IZI‘lre
bar members Iu8a‘pivotally mounted at the ends
' spectively, and inner walls I22, , As best seen in
of said fork members, said bar members en
gaging the bushing grooves Iillat _
Figure 6 in the embodiment 'shown, there :are
three such slots and the slots are "of such depth
" 'In one manner of use, the cap applying chuck
‘ that they open into the, circular ori?ce formed
_C may be. caused to‘ periodically move up and
idow‘nf'by suitable means such as a cam (not
by the circular wall at the inner edge ofjthe in
shown)" throughthe arm H15, the vertical move-'
inent‘of said chuck being from its topmost posi
tion down to‘, a cap receiving position up“ to its
depth of the slots I9'I is so arranged with rela
tion to the inner wallof the flange I95x that the
gripping members I98 projectin'wardly beyond‘
thefinner‘wallof the flange I85 a short distance
wardly extending peripheralp?ange I95. The.
topmost position,'down to a cap applying posi
tion and thence back to its topmost position.
when’v said gripping :members are fully‘ seated‘
When the chuck C comes down and engages a
.cap held on a suitable holder (not shown), the
against the inner walls I22. The gripping memr
bers’ISS are resiliently retained injthe inner-7
ball bearings‘ 98v resiliently grip the cap and lift
most positions thereof by the action of rthe'confv
tractile resilient means I99. The means I99>may
be an elastic rubber'band having?'awidth (height
it from the said holder, which holder may then
be moved from the path of the chuck. vThere-,
after, the rotating chuck, driven by rotated'means
(not shown)’, moves downwardly and applies the
7 as viewed in Figure 7) substantiallylequal to the
held cap. I I_ to a bottle (not shown) held in-posi- -
tion} and when the ‘cap has been sufliciently se
cured the balls'ilt are forced ‘outwardly against 5
the action of the springs 99,. thus causing slip
page between thef'chuck C‘ and the cap. After the
distance between the upper walls ; I2il¥and the
lower walls . IZI.“ The total annular‘ length‘ of‘
the band I99 in its unstressed ‘condition and the
thickness‘ .and composition of the materialgofj
which it is composed, will govern the compressive V
forcewhioh the portions. It?a exert’against the
cap III when ‘frictionally engaging the same.‘
cap has been applied, the’chuck returns tothe
upper position ‘and is ready to begin another
The band I99 also acts by virtueof the con?gurag
>_ The gasket 96 operatesJas-a resilient member
tion of the parts which it engages, to restraini
movements of the gripping members‘ I98 lon
performingv a number of functions.
g'itudin'ally of themselves.‘ The gripping" mem- , .
First, it
forms ‘an auxiliary gripping means which en
gagesthe upper surface of the top wall I2 of ,
the cap‘ I I, thereby requiring less'effectivefrice
tional engagement between the ball bearings 98
and the-outer ‘surface of the ‘cylindrical side wall
of the cap. By virtue of the greater distribution
of frictional effect thus obtained, the surface
pressure at the points of contact between the
balls; and‘ the cap may be reduced with a con
sequentl'y. greater sensitivity of the chuck and
less likelihood'of damage to the cap. Second,’
the resilient member or‘ gasket 98 allows for some
Variations in' movement of the arm IE5 without ‘
damaging the cap, since ‘effective engagement
between‘ the chuck and thevcap may be obtained
even when thelower rimv I3 of the, cap I! does
not...'engage the lowermostrsurface ,of the sleeve
member 92. Third, theresilient member 96 also
bers I98 may’ be'in the form ofv short‘lengths
of rod of small diameter and arepreferably of a
lesser ‘diameter than’the distance between the
top‘walls I20 and the bottom walls IZI so‘that
said gripping members may have a relatively ‘free
movement, controlled only by the action of the‘
resilient band I99 and limited in inward travel“
by the,v inner walls I22. The outer wall of "the
sleeve. member I92 is provided with an annular
groove within. which is disposed a‘ circular‘ cover‘
strip I21, which may be composed of spring metal '
having the terminals I25_and' IZ-G. When it be-A
comes desirable to replace the contractilemeansc
I99” it; becomes necessary ‘only. to, ‘separate the,
terminals I25 and I26 andv to spring the‘circu‘larf
cover strip'I2'I out of its", seat. After‘the, elei'é“
ment I99 has been replaced, thejcover strip’ w
may be snapped back into place‘.
By Virtue of the shape of the gripping mem
bers I99, they are free to roll within their sock
I wish it to be understood that I do not desire
to be limited to the exact details of construction
shown and described for obvious modi?cations
ets and thus present new surfaces for wear as
they are used. Should ‘undue Wear occur, the
will occur to a person skilled in the art.
gripping members I98 may be replaced ina man b1
I claim:
ner similar to ‘that described in connection with
1. In a machine of the character described, a
the replacement of the resilient means I99.
rotating cap applying chuck, said chuck having
The gasket I99 acts as a compressible resilient
an aperture ‘formed in the base thereof, ‘said
element in a number of different manners.
chuck having a pluralty of radiating bores formed
Where the cap chuck is used in connection with 10 in the wall surrounding the aperture, said bores
caps which have a flat upper surface, the lower
terminating at the face of said aperture, rollable
surface of the gasket I99 frictionally engages the
cap gripping means located within said bores and
upper surface of the cap, particularly the top
means within said bores‘for resiliently projecting
wall H2 of the cap IIII, thereby requiring less
said cap gripping means into said aperture.
effective frictional engagement between the grip 15
2. In a machine of the character described, a
ping portions I98a and the outer surface of the
rotating cap applying chuck comprising a rotat
cylindrical side wall of the cap. This construc
ing body member, a collar member positioned at
tion and mode of operation produces a more wide
the lower part of said body member and depend
distribution‘of frictional effect, with a consequent
ing therefrom, the longitudinal axis of said collar
lessening of the requirement of greater pressure
member being aligned with the axis of rotation
at individual points of contact. This results in
of the body member, said collar member having
a lessened pressure between the portions I98a
a horizontally inwardly projecting peripheral
and the external surfaces of the side walls of the
?ange positioned at the lower portion thereof,
cap without undesired slippage when it is desired
said ?ange having a plurality of bores formed
that the chuck positively engage the cap so that 25 therein, said bores terminating at the inner face
the two rotate together. Reduction of point pres
of said ?ange, rollable cap gripping means located
sure on the cap is desirable since the cap is sub
within said bores and means within said bores for
ject to less strain and is less likely to break or
resiliently projecting said cap gripping means be
have its surface marred. The resilient element I99
yond thé inner face of the said ?ange.
also permits variation in the movement of the 30
3. A cap applying chuck as claimed in claim 2,
arm 299, since effective engagement between the
in which the inner ends of the bores are con
chuck and cap may be obtained even when the
stricted, the cap gripping means comprise spheres
lower rim H3 of the cap is not engaged by the
whose diameters are greater than the constricted
lowermost surface of the ?ange I95. By virtue
ends of the bores, the spheres being resiliently
of the action of the resilient member I96 there is 35 projected through the restricted ends of said bores
a frictional engagement between the lowermost
by means of compression springs positioned with
surface of the body member I9! and the upper
in said bores.
surface of the element I99; also there is a fric
‘i. A cap applying chuck comprising: a rela
tional engagement between the upper surface of
tively stationary sleeve; an axle rotatably dis
the ?ange I95 and the lower surface of the ele 40 posed within said sleeve; a chuck body secured
ment E96. [Since the part I99 is compressible,
to said axle; said chuck body having an aperture
a locking type action is obtained which tends to
formed in the base thereof; said chuck body hav
retain the sleeve member I92 in different rotated
ing a plurality of radiating bores extending out
positions thereof. This provides, therefore, for
varying the effective length of the entire device
and permits an auxiliary adjustment independ
ent of the adjustment of cams or other means not ,
shown, which control the lowermost position of
the entire screw cap chuck by their action upon
the arm 205.
Such adjustment will, in e?ect, -
vary the point at which the lower. surface of the
?ange I 95 will engage the upper surface of the
lower rim E9 of the cap III when the cap is en
gaged by the chuck with the cap in a relatively
stationary position.
It may thus be seen that I have provided novel
' wardly from said aperture; independently roll
able cap gripping means located within said bores;
and means within said bores for resiliently pro
jéecting said cap gripping means into said aper
5. A cap applying chuck comprising: a rela
tiveiy stationary sleeve; an axle rotatably dis
posed within said sleeve; a chuck body secured to
,said axle; said chuck body having an aperture
formed in the base thereof; said chuck body hav
mg a plurality of openings extending outwardly
from said aperture; independently rollable cap
gripping means located within said openings;
and means within said openings for resiliently
projecting said cap gripping means into said
and useful screw cap constructions which, by
virtue of the simplicity thereof, are easily con
structed at relatively low cost and are substan
tially foolproof in operation. By virtue of the 60
6. A rotatable cap applying chuck comprising:
sensitivity of action thereof, fragile or caps with
a rotatable body member; a collar member posi
delicate coatings may be handled with a minimum
tioned at the lower part of said body member
of breakage and marring. When adjustment is
and depending therefrom, the longitudinal axis
needed to vary the effective gripping pressure
of said collar member being aligned with the aXis
thereof, this is readily accomplished. in a simple
of rotation of the body member, said collar mem
manner. Parts which are subject to wear or
ber having a horizontal inwardly projecting pe
deterioration in use, can be quickly and easily
ripheral flange positioned at the lower portion
replaced. After the cap chuck is associated with
any suitable device for operating and driving the
thereof; said ?ange having a plurality of openings
same, adjustments can be made in the effective
formed therein, said openings terminating in and
size of the cap chuck or the interrelated arrange
communicating with the inner face of said ?ange;
ment of its parts so that certain variations in the
rotatable cap gripping means located within each
machine which drives the cap chuck or in the
of said openings; and means disposed within said
caps or containers with which the cap chuck is
openings and outwardly of said cap gripping
used, may be accommodated.
means acting to resiliently project said cap grip
ping'm‘eans beyond the inner face of the said
chuck having a plurality of radiating bores'formed
7. A rotatable cap applying chuck comprising:
in‘ the Wall surrounding, the aperture, said bores
each having a threaded portion and terminat
a rotatable body member; a collar member ad
ing at the face of said aperture, cap gripping
justably positioned at the lower part of said body
member and depending therefrom, the longitudi
nal axis of said collar member being aligned with
the axis of rotation of the body member, said
means located within said bores, means within
plug disposed in each of said bores and adjust
collar member having a horizontal inwardly
able in position in its respective bore to vary the
said bores for resiliently projecting said cap‘grip
ping means into said aperture, and a threaded
projecting peripheral ?ange positioned at the 10 effective pressure of the resilient means therein.
lower portion thereof; said ?ange having a plu
9. A structure as claimed in claim 8 in which
the cap gripping means is rollable about an axis
terminating in and communicating with the inner
tangential to‘the circumference of said cap.
face of said ?ange; rollable cap gripping means
10. A structure as claimed- in claim 8 in which
in the form of rods located Within said open 15 the cap gripping means includes a‘ plurality of
ings and generally circumferentially arranged,
spheres each rollable about an axis tangentially
rality of openings formed therein, said openings
the axes of said rods being tangential to the cir
arranged with respect to the circumference of
cumference of said cap when in the chuck; and
the cap.
means disposed within said openings and out
11. A structure as claimed in claim 8 in which
wardly of said cap gripping means acting to resil 20. the cap gripping means includes a plurality of
iently project said cap gripping means beyond
rods each rollable about an axis tangentially dis
the inner face of the said ?ange.
posed with respect to the circumference of the
8. In a machine of the character described, a
rotating cap applying chuck, said chuck having
an aperture formed in the base thereof, said 25
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