Патент USA US2592066

April 8, 1952
2,592,065
A. L. PETRI
CIGAR MAKING MACHINE
Filed Jan. 24, 1949
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INVENTOR.
ALBERT L. PETR/
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ATTORNEYS
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April 8, 1952
A, |__ PÉTR!
2,592,065
CIGAR MAKING MACHINE
Filed Jan. 24, 1949
2 SHEETS-SHEET 2y
INVENTOR.
AALH‘EIN‘ L. PET/Pl
BY
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ATTORNEYS
Patented Apr. 8, 1952
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UNITED STAT
2,592,065
PATENT OFFICE
2,592,065
CIGAR-MAKING MACHINEy
Albert L. Petri, San Francisco, Calif., assignor to
Petri Wine Company, San Francisco, Calif., a
corporation of California
Application January 24, 1949, Serial No. 72,447
19 Claims.
l
(c1. isi-52)
This invention relates to a machine for mak
ing cigars, and more particularly to a construc
tion for uniformly bunching, shaping and Wrap
ping cigars of the Toscani or stogie type.
Cigar making machines are very old in the
art and most of them utilize some type of ñexible
apron, a loop of which is carried across a head
plate to form a straight bunch holding the
filler together by a binder. The bunch is later
Thus, one of the objects of the invention is a
cigar forming machine provided with means for
maintaining the required even tautness across
the width of the apron during both the bunching
and forming operations.
`
Another object of the invention is automatic
means on a cigar forming machine for regulating
the proper tension across the width of the apron
during the bunching and forming operations.
shaped by separate mechanism to the desired
Still another object of the invention is a cigar
shape and then rolled with the Wrapper to con
form to its shape. However, it has been found
that the .prior art machines have certain dis
making machine having a tension regulating
advantages, one of the most important of these
msm.
is a lack of means to maintain the flexible apron
Yet another object of the invention is a convex
lip mounted on the concave head plate of the
means for regulating the apron and which means
is positively connected with the forming mecha
in a tightly stretched condition during the form
ing operation, and particularly when the cigar
cigar making machine for regulating and insuring
formed is not of uniform diameter over its full
a uniform tension across the width of the apron.
length such as Toscani cigar or stogie cigar, which
contains no binder. In this case, the head plate
And still another object of the invention is a
cigar making machine having a concave head
plate provided with a convex lip and automatic
means for determining the tension across the
Width of the apron.
And still another object of the invention is a
cigar making machine having a concave plate
and roller are normally made concave to obtain
a proper shape and this, together with the shape
of the cigar itself, causes the flexible apron to
bunch or Wrinkle at the ends and prevent the
formation of a smooth, tightly Wrapped cigar and
to maintain the filler in the cigar straight.
. provided with a convex lip_ and a concave roller
i The present invention is specifically designed
and automatic means for determining and reg
ulating the tension across the Width of the apron
operate automatically. In the first place, there
by another concave roller to which one end of
is provided a roller arranged for partial rotation 30 the apron is attached, which all together insures
to overcome these diñiculties, and is arranged to
Which is attached to one end of the apron to
a uniform tension across the apron allowing the
provide the varying tensions to conform with the
concave roller during the> forming operation. It
is arranged to be operated in order to provide
apron to roll light and unwrinkled during the
forming operation.
In the drawings,
Fig. 1 is a partial plan view of thé preferred
being inserted and to automatically apply uni
form of the invention.
form tension across the Width of the apron and
Fig. 2 is a plan view of the device shown in Fig.
to take up the slack during the forming and roll
l with the apron sectioned to show the relation
ing to eliminate the apron from Wrinkling or
ship of the various rollers.
buckling at the ends.
40
Fig. >3 is a sectional view along the lines 3-3 of
In the case of a concave head plate a uni
Fig. 1.
form tension on the apron is additionally assured
_ Fig. 4 is a partial sectional view along the lin'es
a slack, loose apron While the ñller material is 35
by the use of a convexly formed lip on the for
Ward end of the head plate over which the apron
passes.
The shape of the head plate is such that if a
uniform tension Were attempted by roller or
other means, the central section of the apron
would remain loose allowing the end of the
apron to curl ahead causing the apron to Wrinkle
even While its edges Were taut. The provision
of the convex lip overcomes this difîiculty by it
self taking up the slack in a non-uniform manner
across the apron and thus insures a uniformly
light, un-Wrinkled apron during the forming
operation.
'
Iii-'f4 of Fig. 2.
-‘ Fig. 5 is a partial sectional view similar to
45 Fig. 4 in which the rocker arms have moved for
ward to begin the forming operation.
Fig. 6 is a side elevation of the machine shown
in Fig. 1, partially in section.
Fig. 7 is a front elevation of the machine shown
in Fig. l.
Fig. 8 is a perspective view of the head plate.
The invention disclosed and claimed herein can
be applied with success to many existing cigar
making machines, and particularly to those uti
lizing a curved head plate for the formation of
cigars which are not uniform in diameter. The
2,592,065
preferred form is the one shown in the drawings
for the manufacture of Toscani or stogie cigars,
but this is intended to be illustrative only, and
other and obvious forms will be clear to those
skilled in the art.
The preferred form of the invention shown
in the drawings is supported on a table-like
frame, generally designated I, which frame serves
to support not only the cigar forming mecha
convex in approximately the same degree as the
head plate, is concave (as seen in Fig. 3) for a
purpose to be described. In practice, such con
cavity of the head plate and convexity of the lip
would be of the order of 1/8” in depth for form
ing a normal sized stogie cigar.
To provide rotation to shaft I I and the rocker
arms keyed thereto, a short link 2D is secured
to the shaft by means of set screw 2|. The end
nism, generally designated 2, but the associated
driving and control mechanism.
of this link is provided with a pin 22 to slida
bly operate in the slotted end of an arm 23. Arm
A pair of vertical supports 3 are bolted to
the upper surface of frame I by bolts 4 to sup
port a head plate 5 substantially horizontally.
A series of bolts 6, positioned at the corners of
the head plate secure the same tightly against
bearings 25 positioned on the lower part of the
frame I. Arm 23 is also provided with a pin 26,
positioned to engage a face cam 2'I provided
the supports. Positioned between the supports
3 and underneath the head plate is an open
topped box which, together with the head plate
5, forms an enclosed chamber ’I just under the
head plate. Chamber ‘I is provided with an
opening leading to a conduit 8 which is connected
to a vacuum source (not shown) for a purpose
23 is freely pivoted on a shaft 24 mounted on
with a groove, as at 28, to receive pín ‘26. Cam
21 is secured to a shaft 29 by means of set screws
3€) for rotation therewith, the ends of the shaft
being supported in bearings 3I mounted on the
frame I, and is arranged to be positively driven
by a motor or other convenient means, not
shown. The groove 23 in face cam 2T has a
continuous, irregular path which imparts a rock
to be described.
ing motion to arm ‘23 by means of the follower
The supports 3 are also provided with opposed
bosses 9 which, together with bearings I0, are ar
to cause arms I2 to rock on shaft II and carry
pin 26. Such rocking motion, in turn, operates
ranged to support a centrally positioned, horizon
tal shaft I I which extends outwardly beyond the
supports, at each of its ends. Each end of the
roller I6 back and forth over the head plate 5.
A second cam 33 is also keyed to shaft 24 for
rotation therewith, which cam is arranged to
headnplate 5.
by bolts 3l. The pin 34 is arranged to engage
shaft is keyed to one of a pair of corresponding 30 engage a pin 34. This pin is mounted on an arm
35, pivoted from a block 35 secured to the frame
rocker arms I2, positioned on either side of the
At the upper end of each of the rocker arms
I2 is bearing block I3, adjustable in a direction
along the axis of the arm. To provide this ad
justment, a pair of set screws I4 may be seated
the cam 33 at its circumference for the major
arc of rotation, but the cam is formed with a
slot, as at 38, as best seen in Fig. 6, to cause
the pin to move radially of the cam during the
in the arms I2 which are arranged to bear
remaining portion of the period of rotation. The
and the concavity of such surface corresponds
and screws 42.
the shape of the cigar to be formed.
The upper concave surface of the head plate
is also curved convexly in the opposite direction,
Roller 43 is also preferably concave in shape
in an amount to approximately correspond to
the concavity of roller I6. 1n normal practice
this concavity is approximately half the con
cavity of the head plate 5 or, in a normal ma
outer end of arm 35 is provided with a weight
against the under and upper sides of the bear
39 to cause the pin 34 to fall into slot 38, as cam
ing block I3, as can best be seen in Fig. 3. The
bearing blocks are adapted to support the op 40 33 is rotated.
The head plate is arranged to be covered by
posite ends of a shaft I5 for rotation, which
a strip of flexible material or apron 40, made of
shaft extends across the upper surface of the
some material which will not normally stretch,
head plate, and which supports a roller I5, ex
such as rubber-covered canvas. One end of the
tending substantially across the head plate 5
apron is tightly secured across the forward edge
and spaced therefrom.
of the head plate by means of a metal strip 4I
The roller I6 is formed with a concave surface
It extends up and over the con
vex lip I9 and back across the surface of the
in a manner to be described, with the concavity
head plate, over the roller I6, and around a sta
of the surface of the head plate 5, over which
it is designed to move. Thus, the space between 50 tionary slack roller 43 to which its other end
is secured by means of a key 5I.
the two, as can be seen in Fig. 3, is approximately
as may be seen in Figs. ll and 5. As rocker arms
I2 are rotated to carry roller I5 across the sur
face thereof, the roller must always remain spaced
chine, about î’g" in depth.
Slack roller 43 is adjustably mounted by
means of a set screw 44 on a shaft 45, which is
plate, and the degree of convexity is thus de
termined by the position of the axis of shaft II 60 in turn, secured for rotation in a pair of arms
45 secured to supports 3. Shaft 45 also carries
and the length of arms I2.
at one of its ends a sprocket 41, connected by
The concave-convex surface of the head plate
an equal distance from the surface of the head
means of a chain 48 to a second smaller sprocket
5 is preferably formed with a series of channels,
49. Sprocket 49 is supported for rotation on
as at I1, extending along the direction of the
a short arm 50 pivoted to the lower end of the
path of roller I6, as can best be seen in Fig. 2.
frame I on a pin 52. A coil spring 53 is attached to
In the bottom of each of said channels is a
the arm 50 to maintain tension in the chain
series of holes, as at I8, drilled vertically through
48. In addition, the outer pass of the chain
the head plate and connected with the vacuum
48 is secured by bolt 54 to arm 35 near its outer
chamber therebeneath and for a purpose to be
end.
described.
70
The apron 40 covering the head plate 5 is pro
It should also be noted that the forward end of
vided with a series of perforations, as at 55, and
the head plate 5 is formed with a convex lip I9.
best seen in Fig. 1, over an area substantially the
as may be seen in Figs. 1, 2, 4, and 5, but is best
size of the tobacco leaf used to wrap the filler
illustrated in the perspective view of the head
for the cigar. It also is provided with consider
shown in Fig. 8. This convex lip I9 is made
5
2,592,065
6
able slack, as can be seen in the looped portion
in Figs. 4 and 5, for a purpose to be described.
A sprocket 56 is also secured to the shaft 29 and
by means of chain 57 drives a second sprocket 53
secured to shaft 24. Thus, a single motor drive
that portionextending from roller I6 toward the
lip.v This difficulty has been found to be in large
part, 'eliminated by the provision of the concave
serves to operate the entire mechanism.
riphery, as can be seen in Fig. 2, takes up a por
'
roller 43 and the convex lip I9 on the head plate
5.
The lip with its outwardly extending pe
In operation, the machine is normally in the
tion of the slack in the apron 4I), but because of
position shown in Fig. 4, with an open loop of the
its shape, takes up more of the slack in the cen
apron hanging downwardly between the head
ter ofthe apron than at its edges and thus causes
plate and roller I6, the arms I2 having been 10 a more uniform tension in the apron and causes
rocked to their farthest backward point. In this
it to lie smoothly against the head plate as the
position the ñller tobacco 60 is dropped into the
cigar is rolled and formed therealong. In the
loop in the apron, and the Wrapper leaf 6I placed
same manner, the concavity of the rollers per
on the apron at a point over the head plateI
mits a slack in the central section of the belt to
Where suction from the chamber "I, acting
compensate for the tension introduced by the
through the perforations I8, 55 in the head plate
cigar.
and apron respectively, cause it to lie ñat and
As has been said, the shape of the lip I9 is so
smooth against the apron. The leaft 6I is then
chosen relative to the shape of the roller and
coated with a binding agent to act as a glue. '
head .plate that the apron will lie smoothly
As the machine is started in motion, rotation
against the head plate at all points with a sub
of shaft 29 in a counter-clockwise direction
stantially uniform tension. Obviously, gif' the
(Fig. 6) will cause arm 23 to move rearwardly
head plate and roller are changed in shape to
and rocker arms I2 to move forward from the
form a different shaped cigar, a corresponding
position shown in Fig. 4 to that shown in Fig. 5.
change in the shape of lip I 9 will be required.
As can be seen, the filler material is now com
The machine has been found to produce a
pletely enclosed in a loop of apron 40, which loop,
tightly packed, smooth and properly shaped
as roller I E is moved forwardly, follows along
cigar, and wrinkling of the apron is substantially
directly behind and tending to form the filler in~
eliminated. Y Slight adjustments in the positioni
to a tubular shape.
ing of roller I6 in arms I2 through shifting the
At the same time, as this motion begins, rota 30 position of bearing blocks I4 may be aiïected and
tion of cam 33 causes pin 34 to fall into slot 38,
moving arm 35 downwardly. Such motion causes
the overall tension in the apron may be properly
movement in chain 48 and rotates slack roller 43 A
roller y43 and shaft 45 to which latter the former
is secured by set screws 44.
in a clockwise direction (Fig. 6) to take up the
slack in the apron 4!! at approximately the point
illustrated in Fig. 5.
Continued rotation of the cams causes arms I2
adjusted by the angular relationship of slack
It should further be noted that the success of
the machine is due in large part to the relation
ship between the concavity and convexity of the
to carry roller I6 entirely across the head plate,
various units. . In general, it may be said that the
at the same time causing the wrapper leaf 6I to
convexity of the lip and the concavity of ,the
be tightly secured around the ñller 60. At the 40 head plate are> equal and the latter tends to com
opposite end of the path of travel, the arms I2
pensate for the looseness of the apron caused by
carry the roller I6 beyond the forward edge of
the former. In the same way, the concavity of
the head plate and the loop in apron 40 is en-_
the two rollers tends to compensate for the taut
abled to discharge the completed cigar. Con
ness introduced into the central section ofthe
tinued rotation of the cams causes the arms I2 to 45 apron by the enlarged central diameter `'of the
return to the position of Fig. 4, with slack in the
flexible apron 4I), ready for another operation.
From an inspection of Fig. 6 it can be seen that
cams 2l and 33 are arranged so that pin 34 on
arm 35 is caused to fall into the slot 38 as the 50
rocker arms I2 begin to pass over the head plate
to roll the cigar.
This action carries arm> 35
downwardly and chain 48 causes a rotation of
sprocket 41 and slack roller 43 in a clockwise di
rection (Fig. 6). This sequence is illustrated in
Figs. 4 and 5, and as rocker arms move from the
position of Fig. 4 to that of Fig. 5, rotation of
cam 33 through the above chain of operations
cigar being formed. -And further, it has been
found that the degree of concavity of the head
plate and the convexity of the lip is approximate
ly twice that of the concavity of the two rollers.
I claim:
l. In a cigar forming machine having a head
plate and a flexible apron extending acrossv said
head plate and including a portion extending
beyond said head plate: a roller engaging the
projecting portion of said apron for supporting
a loop- for tobacco in said portion adjacentone
edge of said plate; means supporting said roller
for drawing~ said loop over said plate and `for
rolling the tobacco therein; and a concave roller
takes up the slack in the flexible apron 4_0 so that
as the loop passes across the head plate 5, it will
in engagement with saidapron for varying-_the
form the wrapper leaf BI tightly around the ñller
tensionon said loop and portion during said
60.
movement of said loop.
~ '
It is obvious that the shape of the roller I6 and
_2. In a cigar forming machine having a head
the head plate 5 will form a cigar with a large
plate and a flexible apron extending across said
central diameter gradually reduced in sizeto
head plate and including a portion extending
Ward its ends. But this shape also introduces
beyond sai-:l head plate: a roller engaging the
difficulties into the problem of maintaining a
projecting portion of said apron for supporting
smooth and tightly stretched apron 40 while the
a loop for tobacco in_said portion adjacent one
rolling operation is in progress. In the first
edge of said plateameans supporting said roller
place, because of the increased central diameter 70 for ldrawing said loop over said plate and for
of the cigar being rolled, the central section of
rolling the tobacco therein; means including 'a
the belt, in that portion extending from roller I6
concave roller, to which one end of saidl apron
to roller 43, is subject to a greater tension. Con
isl secured, forvarying the tension on said loop
versely, the concavity of the head plate causes a
and portion during movement of said loop. _ 'I l '
greater tension along the edges of the belt in 75
8. In a cigar forming machine having a con#
2,592,065
7
8
ber being in substantial correspondence with the
concavity of said head plate.
cave head plate and a flexible apron extending
across said head plate and including a portion
extending beyond said head plate: a concave
8. Ina cigar forming machine having a con
cave head plate and a flexible apron extending
across said head plate and including a portion ex
tending beyond said head plate; a roller having a
roller engaging the projecting portion of said
apron for supporting a loop for tobacco in
said portion adjacent one edge of said plate;
concave surface; said apron having a looped por
means supporting said roller for drawing said
tion; means supporting said roller for drawing
loop over said plate and for rolling the tobacco
said loop over said head plate and for rolling
therein; and a second concave roller, to -which
tobacco therein; means securing the ends of said
l0
one end of said apron is secured, for applying
apron; and a lip formed on one edge of said head
different longitudinal tensions in said apron at
plate and convexed transversely thereof in trans
different points transversely of said apron.
verse engagement with said apron.
4. In a cigar forming machine having a head
plate and a flexible apron extending across said
9. In a cigar forming machine having a con
roller and drawing said loop over said head plate
and for rolling the tobacco therein; means for
tobacco therein; means including a second con
head plate and including a portion extending 15 cave head plate and a flexible apron extending
across said head plate and including a portion
beyond said head plate: a ñrst roller engaging
extending beyond said head plate: a roller having
the projecting portion of said apron for support
a concave surface; said apron having a looped
ing a loop for tobacco in said portion adjacent
portion; means supporting said roller for drawing
one edge of said plate; a pair of rocker arms sup
porting said first roller for carrying said first 20 said loop over said head plate and for rolling
cave roller1 for securing the ends of said apron;
and a convex lip formed on one edge of said head
supporting and rocking said arms; a concave
plate in transverse engagement with said apron.
roller; means supporting said concave roller for
10. In a cigar forming machine: a concave
rotation; means securing one end of said apron 25 head plate; a iiexible apron extending across said
to said concave roller; and means for rotating
head plate; a concave roller; means mounting
said concave roller to increase the tension in said
said roller for movement back and forth across
apron as said first roller is carried across said
said plate; a lip formed on one edge of said head
head plate.
plate in transverse engagement with said apron
5. In a cigar forming machine having a con 30
and convexed transversely of said head plate;
cave head plate and a flexible apron extending
and means securing the ends of said apron.
transversely across said head plate and including
l1. In a cigar forming machine: a concave
a portion extending beyond said head plate: a
head plate; a flexible apron extending across said
ñrst roller engaging the projecting portion of said
35 head plate; a concave roller; means mounting
apron for supporting a loop for tobacco in said
portion adjacent one edge of said plate; a pair of
rocker arms supporting said first roller for carry
ing said iirst roller and drawing said loop over
said head plate and for rolling the tobacco there
in; means for supporting and rocking said arms; 40
a second concave roller; means securing one end
of said apron to said second roller for applying
different longitudinal tensions in said apron at
different points transversely of said apron; and a
convex lip formed on one edge of said head plate
in transverse engagement with said apron.
6. In a cigar forming machine having a con
cave head plate and a ñexible apron extending
said roller for movement back and forth across
said plate; a convex lip formed on one edge cf
said head plate in transverse engagement‘with
said apron; and means including a second con
cave Ároller securing the ends of said apron.
12. In a cigar forming machine: a concave
head plate; a ñexible apron extending across said
head plate; a concave roller; means mounting
said roller for movement back and forth across
.:,-,. said plate; a convex lip formed on one edge of
said head plate in transverse engagement with
said apron, the convexity of said lip being in sub
stantial correspondence with the concavity of
said head plate; and means securing the ends of
across said head plate and including a portion
extending beyond said head plate; a roller having 50 said apron.
13. In a cigar forming machine having a con
a concave surface; said apron having a looped
cave
head plate and a flexible apron extending
portion; means supporting said roller for drawing
across said head plate and including a portion
said loop over said head plate and for rolling
extending beyond said head plate: a roller
tobacco therein; means securing the ends of said
having a concave surface; said apron having
apron; and a stationary member sup-ported be
a looped portion; means supporting said roller
tween said last mentioned means, convexed
for drawing said loop over said head plate and for
transversely of said head plate, and in engage
rolling tobacco therein; means securing the ends
ment with and extending transversely across said
of said apron; and a member on said head plate,
apron to increase the longitudinal tension in the
convexed transversely thereof, and supported be
central section of said apron.
tween said last mentioned means and in engage
'7. In a cigar forming machine having a con
ment with and extending transversely across said
cave head plate and a flexible apron extending
apron to increase the longitudinal tension in the
across said head plate and including a portion
central section of said apron.
extending beyond said head plate; a roller having
14. In a cigar forming machine having a con
a concave surface; said apron having a looped
portion; means supporting said roller for draw
ing said loop over said head plate and for rolling
tobacco therein; means securing the ends of said
apron; and a stationary member, convex in
transverse cross-section, supported between said
last mentioned means and in engagement with
and extending transversely across said apron to
increase the longitudinal tension in the central
section of said apron, the convexity of said mem
cave head plate and a flexible apron extending
across said head plate and including a portion
extending beyond said head plate; a roller having
a concave surface; said apron having a looped
portion; means supporting said roller for draw
ing said loop over said head plate and for roli
ing tobacco therein; means securing the ends of
said apron; and a member on said head plate,
convex in transverse cross-section, supported be
tween said last mentioned means and in engage
:2,592,065
ment with and extending transversely across said
apron to increase the longitudinal tension in the
central section of sai-:l apron,
ccnvexity oi
said member being in substantial correspondence
with the concavity of said head plate.
15. In a cigar' forming machine; a concave
head plate; a flexible apron extending across said
head plate; a concave roller; means mounting
said roller for movement back and forth across
said plate; and stationary means extending trans»
versely across said plate and convexed trans
versely thereof and in transverse engagement
with said apron and positioned adjacent the forward end of said plate.
16. In a cigar forming machine; a concave
head plate; a flexible apron extending across said.
head plate; a concave roller; means mounting
said roller for movement back and forth across
said plate; means securing the ends of said apron
at opposite ends ci said plate; and stationary
means extending transversely across said plate
and convexed transversely thereof and in trans
verse engagement with said apron and positioned
intermediate said last mentioned means.
17. In a cigar forming machine; a concave head
plate; a flexible apron extending across said head
plate; a concave roller; means mounting said
roller for movement back and forth across said
plate; means secured to said head plate extend
ing transversely across said plate and convexed
transversely thereof and in transverse engage
ment with said apron.
'
18. In a cigar forming machine; a concave head
plate; a flexible apron extending across said head
plate; said head plate being concave in trans
verse cross-section; a concave roller, the con
cavity of said roller he'rg equal to approximately
one-half of the concavity oí said head plate; and
ineens mounting said' roiler for movement back
and forth across said head plate; and means
securing the ends oi said apron.
_
19. In a cigar forming machine; a concave
head plate; a flexible apron extending across said
head plate; said head plate being concave in
transverse cross-section; a concave roller, the
concavity of said rolle’1 being equal to approxi~
mately one-half of the concavity of said head
plate; and means mounting said roller for move
ment back and forth across said head plate; and
a second concave roller, to which one end of said
apron is secured, for applying different longitudi
nal tensions in said apron at different points
transversely of said apron.
ALBERT L. PETRI.
REFERENCES CITED
The following references are of record in the
file of this patent:
~
UNITED STATES PATENTS
Number
Name
Date
33,604
409,807
514,240
1,191,592
1,941,192
2,311,011
Reininger ________ __ Oct. 29, 1861
Schutz ___________ __ Aug. 27, 1889
Moonelis __________ __ Feb. 6,
Hansen __________ __ July 18,
Stelzer ___________ __ Dec. 26,
Wheeler __________ __ Feb. 16,
1894
1916
1933
1943