Патент USA US2611551

Sept. 23, 1952
2,61 1 ,548
E. J. HEIZER
YARN TRAVERSE FOR YARN WINDING MACHINES
Filed July 9', 1949
3 Sheets-Sheet 1
IN VEN TOR.
BY
Edwazd d?’ezfzer
émi%
Sept. 23, 1952
E. J. HEIZER
2,611,548
YARN TRAVERSE FOR YARN WINDING MACHINES
Filed July 9, 1949
3 Sheets-Sheet 2
_
INVENTOR.
Edward JAIe-A'Zer
RWY%%%uw
’
ATTORNEY
Sept. 23, 1952
E. J. HEIZER
2,611,548
YARN TRAVERSE FOR YARN WINDING MACHINES
vF‘iled July 9, 1949
5 Sheets-Sheet 5
INVENTOR
Edward 'J?ez'zer
BY
ATTORNEY
Patented Sept. 23, 1952
2,611,548
UNITED STATES PATENT OFFICE
2,611,548
YARN TRAVERSE FOR YARN WINDING
>
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MACHINES
Edward J. Heizer, Mountain Lakes, N. .L, assignor
to Specialties Development Corporation, Belle
ville, N. J., a corporation of New Jersey
Application July 9, 1949, Serial No.103,934
15 Claims.
.
(01. 242-43)
2
1
More speci?cally, the traverse members are
generally conical and are mounted at an angle
The present invention relates to winding
machines and the like and, more particularly, to
an improved yarn traverse for such machines.
with respect to each other. These members have
The primary object of the present inventionis
cam surfaces which are in the form of a cone
to provide a machine for winding yarn in an Cl shaped double spiral to provide'in effecta conical
extraordinarily rapid manner to produce pack
heart cam, and are so formed to facilitate guid
ing the yarn therebetween and to eifect. rapid
ages, bobbins, cones or quills of excellent quality.
reversal of the travel of the yarn.
Another object is to provide such a machine
An embodiment of the invention has been
wherein the traverse is adapted to be operated at
10 chosen for purposes of illustration and descrip
extremely high speeds.
Another object is to provide such a machine
tion, and is shown in the accompanying drawings,
which is relatively quiet in operation and free
forming a part of the speci?cation, whereini Figure 1 is a side view, partly in section,’ of a
from undue vibrations.
,
yarn winding machine in accordance with the
Another object is to provide such a machine
which is simple and economical in construction, 15
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Figure 2 isa top view of the yarn traverse of
and which can withstand prolonged operation
with a minimum amount of supervision, mainte
the
winding
machine.
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'
Figure 3 is a schematic view, illustrating the
path of the yarn from a source to a package being
wound.
Figure 4 is an exploded perspective view of the
traverse elements in accordance with the inven
nance and repair.
Another object is to provide such a machine
wherein the yarn traverse rapidly reverses the
yarn.
invention.
,
Another object is to provide a yarn traverse
tion, the elements being shown in substantially
with close control of the yarn which eliminates
the same position asin Figures 1 and 2.,
or greatly minimizes the formation’ of .“stitches”
25
Figure 5 is a top'view of the traverse elements
at the ends of a package or the like.
illustrating the relation of the yarn thereto as it
Another object is to provide a yarn traverse
is being moved towards ‘one end of the package.
which facilitates guiding the yarn thereto. 7
Figure 6 is a top- view of the traverse elements
Another object is to provide a yarn ‘traverse
illustrating the relation of the yarn thereto just
wherein reciprocating parts are eliminated.
as it has reached the endof the package. ‘
Another object is to provide a yarn traverse
Figure '7 is ‘a top view of‘the traverse elements
wherein the traverse members are extremely light
illustrating the relation of the yarn thereto after
in weight and are balanced dynamically to facili
it has reached the end of the package and is being
tate vibrationless high speed rotation.
moved in a reverse direction.‘
‘
‘
A further object is to provide a machine of the
Figure 8 is a schematic view illustrating the
foregoing character which is adapted to wind a
manner in which the yarn'is laid on the package
large variety of yarns at speeds varying over a
wide range, the speed selected being that most
advantageous and economical for a given type of
in utilizing the apparatus of the present inven
yarn.
Referring .to the drawings, and more particu
larly to Figures 1 and 2 thereof, there is shown,
tion.
Other and further objects of the invention will
be obvious upon an understanding of the illustra
tive embodiment about to be described, or will
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by way of example, a yarn winding machine of
the type for producing yarn packages or'the like.
The machine generallycomprises a base iii, an
be indicated in the appended claims, andvvarious
upright bracket I l on the base, a spindle l2 sup
advantages not referred to herein will occur to
one skilled in the art upon employment of the 45 ported by‘ the bracket for Winding. a yarn pack
age M which may be tubular as shown ‘or, conical
invention in practice.
,
if desired, and a traverse head or mechanism IE
In accordance with the invention, the foregoing
objects may be accomplished by providing an
on the base positioned beneath the‘spindle‘. ' The
improved yarn traverse which generally com
spindle and traverse mechanism are operated by
prises a pair of members having surfaces con 50 a source of- power adapted to be applied to a
structed and arranged to provide an endless slit
pulley IE which is operatively connected to the
spindle and traverse mechanism by suitable gears
in which the yarn is passed back and forth, and
drive means for rotating these members includ
and/or pulleys and belts or the like (not shown)
ing ‘shafts and gears operated by a common drive
to effect rotation of the spindle and movement
shaft.
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‘
55
of the traverse mechanism to wind and traverse
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2,611,548
4
3
the yarn, respectively. Since such drive connect
or apertures 51 therein which reduce the mass
ing means are well known and do not consti
tute a part of the present invention, illustration
or detailed description thereof is believed to be
of the member and facilitate dynamic balancing
of the members 24. This may be accomplished.
by counterweighted portions rotatable with the
members 24. For example, as shown in Figure 1,.
unnecessary.
the gears 35 may have counterweights 38 thereon
The traverse mechanism generally comprises a
positioned diametrically opposite the pointed per-4
substantially hollow Y-shaped housing 28 having
a depending leg 2| and pair of upwardly and
outwardly extending arms 22 deposed at an angle
of 120° to the leg and to each other, a traverse
member 24 rotatably supported on each of the
in
tions 54 of the cam or traverse members 24 where~~
by the center of mass of the members 24 and
their rotating means is in effect at the axes of
the shafts 34. This permits high rotation of the
traverse members without vibration.
arms (Figures 1 to 7), a cover or casing 25 for
When a pair of members 24 is arranged as
the housing, a pressure roller 26, for contacting
the package being wound, mounted on the cover ’ illustrated and described herein (Figures 1 and 4) ,
the top side of the body of each member is
(Figures 1 to 3), and means 21 for supporting
tangentially disposed to a common plane, for
the leg 21 and for raising or lowering the traverse
example, a horizontal plane at the top side of the
mechanism with respect to the spindle’ 12 (Fig
bodies 49, and such plane is at right angles to
ure 1).
a vertical'plane in which the axes of the shafts
The leg 2| of the housing 20 has bearings 29
therein for rotatably supporting a shaft 38. The 20 34 are disposed. In this manner, a slit is provided
between the cam surfaces 52 on the free edges
shaft has its lower end operatively connected
of the cam members 24 at the top side (adjacent
for rotation to the drive pulley 16 (not shown)
the aforesaid horizontal plane), and, upon ro
and has a bevel gear 31 at its upper end. Each
tation of the members 24, the slit acts as the
arm 22 of the housing 28 has bearings 32 there
in for rotatably supporting a stud shaft 34. Each 25 opening of a guide which moves back and forth
with respect to the axis of the spindle whereby
shaft ‘34 has a traverse member 24 connected to
the cam surfaces providing the slit traverse the
the upper outer end thereof and has a bevel gear
yarn as it is being wound on a package, tube,
35 adjacent its lower inner and adapted to mesh
cone or bobbin.
with the bevel gear 35 of the other shaft 34. One
In accomplishing the foregoing, the cam sur
of the shafts 34 has a bevel gear 35 at its lower 30
face of each of the members 24 alternately acts
end adapted to mesh with the bevel gear 31
as a leading and a trailing edge of the slit. That
whereby the shafts 34 are in driven connection
with the shaft 30 for rotation inthe same direc
tion about axes in a common plane.
As illustrated schematically in Figure 3, the
yarn Y to be wound is supplied by a source 40.
is passed through guide means 41 and 42, ten
sioning means 44, and is engaged by the mem
bers 24 to traverse the same as about to be de
scribed in detail. In order to admit the yarn
within the traverse mechanism, one side of the
cover or casing 25 has a slit 45 at the middle
thereof (Figure 2) through which the yarn
passes. The traversed yarn leaves the casing 25
by way of a rectangular slot or opening 46 in the
top thereof above which the roller 26 is posi
tioned.
In Figure 4, a pair of traverse members 24 are
, is, the cam surface of one member leads the yarn
from the right to the left and the cam surface of
the other member trails the yarn without con
tacting the same, but, upon completion of right
to left movement of the yarn, the trailing edge
contacts the yarn and becomes the leading edge
for moving the yarn from the left to the right
while the previous leading edge now becomes the
trailing edge. In other words the surfaces 52
alternately shear the yarn back and forth as it
is wound on the package.
The cooperation of the cam members in the
aforesaid manner is illustrated in Figures 5 to 7,
and, more particularly, such cooperation is illu
trated before, at and after the direction of trav
ersing movement of the yarn is reversed from left
to right.
‘
shown in detail apart from the drive mechanism,
but positioned substantially in the same relation 60 In Figure 5, the surface 52 of the cam member
24 at the right is acting as the leading edge to
ship in which they are shown in Figures 1 and 2.
move the yarn from right to left, such movement
The members 24 or cams, as they may be called,
almost being completed as the yarn is approach
have cooperating surfaces providing an endless
ing the pointed portion 54.
slit in which the yarn is passed back and forth
In Figure 6, the yarn has reached the tip of
or traversed upon rotation of the members. Since "
the pointed portion 54 and ‘right to left move
the members 24 are practically identical, a de
ment thereof has been completed. The lip 56
scription of one of them will be sui?cient to
of the cam member 24 at the left has now moved
understand the construction thereof.
under the tip of the portion 54 of the cam member
The member 24 has a relatively thin-walled,
generally conical, cup-shaped, body 49 and has a 60 at the right, and, as the yarn passes over the tip,
'the edge of the lip instantaneously engages the
circular closed end 50 provided with a hub 51 for
yarn to lead it from the left to the right as shown
receiving and connecting the upper end of the
in Figure 7. The same cooperation between the
shaft 34. The member 24 has a generally double
lip and tip takes place at the extreme movement
spiral yarn guiding surface 52 at the free edge
of the yarn to the right and Iieedn'ot be illus
of ' the body which preferably is constructed and
trated or described in view of the foregoing.
arranged to provide a substantially conical heart
The construction and arrangement of the tip
shaped cam surface. More particularly, this sur
face has a pointed portion 54 and has a substan
tially V-shaped notch 55 opposite the portion 54.
The portion of the member 24 providing one side
of the notch 55 is recessed progressively at the
top thereof to form a lip 56 adapted to cooperate
with the pointed portion 54 of the other member
24 as will be described hereinafter. The body of
- the member 24 has a plurality of cut out portions
and lip as illustrated and described herein pro
vides for the quick reversal of the ‘direction in
which the yarn is moved by the traverse mecha
nism. Such quick reversal is highly advantage
ous because the occurrences of “stitches” at the
sides or ends of the package are ‘eliminated. This
is accomplishedbecause the yarn'direction is re
versed so quickly'that it is laid while tens'ioned
2,611,548.
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5
at the side edges of the package to grip the layer
each of saidshafts constructed and: arranged to
of yarn underneath (Figure 8). In this manner
the yarn at the sides of the package does not
slip off the layers of yarn beneath the same to
form “stitches.”
cooperate withi'each other‘ and provide an end
Winders in accordance with the present inven
tion are adapted to be operated at extraordinar
less slit inwhich'yarnis adapted tolbe passed
back and forth, a drive shaft. .on said support,
and a gear on said drive shaft in meshing'relation
with one of said gears on vone_of said pair of
shafts.
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V
‘
ily high speeds to provide yarn packages of better
2. A yarn traverse for a winding machine com
quality than those wound at lower speed on pre
prising a support, a pair of shafts mounted on
vious winders. For example, the spindle or its 10 said support atan angle with respectto each
equivalent may be rotated 6,000 revolutions per
other, a gear on each of said shafts in meshing
minute, and the cams 24 may be geared to rotate
relation with the other, a generally conical cup
from 1,000» to 1,500 revolutions per minute to
shaped member having a generally conical heart
provide a precision package having a traverse of
shaped yarn guiding edge surface mounted on
from 2 to 3 spirals of yarn across its face.
15 each of said shafts constructed and'arranged to
In the following table examples are given of
cooperate with each otherand provide an end
packages produced by a package winder in ac
less slit in which yarn is adapted to be passed
cordance with the present invention.
back and forth, a drive shaft on said support,
a gear on said drive shaft in meshing relation
20 with one of said gears on one of said pair of
Table
,
T5 D8 of Yam
shafts, and weight means mounted on each of
said pair of shafts for dynamically balancing
said cup-shaped members.
Wei lit
Avg. Yarn Wind
Pounds
3. 5
3. 0
Yards per minute
800
1,000
3. 0
1,200
of Pig.
ing Speed
3. A yarn traverse for a winding machine com
1. 210 Denier Nylon._
2. 150 Denier Viscose.
3. 100 Denier Acetatc_
prising a pair of opposed generally conical cam
members having generally complementary heart
shaped cam surfaces cooperating to pass yarn
back and forth, and means for mounting each
of said members for rotation about an axis dis
From the foregoing description, it will be seen
that the present invention provides an improved 30 posed at an angle to the axis of the other, whereby
a yarn guiding opening is provided between said
winder which is simple and economical in con
surfaces.
struction and is highly effective in- operation.
4. A yarn traverse for a winding machine com
The present invention eliminates the use of re
ciprocating parts which are noisy and produce
prising a pair of opposed hollow generally conical
undesirable vibrations, and can therefore be oper
members each formed with a generally heart
ated at extraordinarily high yarn winding and
, shaped cam surface at the free edge thereof com
plementary to each other and cooperating to pass
yarn back and forth, said cam surfaces each
bers and the moving parts associated therewith
having a leading edge for moving the yarn in
is reduced to a minimum thereby facilitating
dynamic balancing thereof which in turn permits 40 one direction and having a trailing edge co
operating with the leading edge of the other
rotation of the traverse members at the high
surface to guide the‘ yarn, and means for re
speeds indicated herein. The winder reduces
spectively mounting said members for rotation
yarn breakage to a minimum, and can withstand
traverse speeds. The mass of the traverse mem
about axes disposed in a common plane and ar
continuous usage over long periods without re
pairs or replacement of parts.
.
While the present invention has been illus
trated and described in connection with a pack
ranged at an angle to each other to permit the
sides of said member to rotate tangentially to
a common plane at right angles to the plane in
which said axes are disposed, whereby a yarn
age type winder wherein the traverse and spindle
guiding opening is provided between the respec
are positively driven by interconnected drive
means, it will be understood that the traverse in 50 tive leading and trailing edges of said cam sur
faces for directing the yarn to points along the
accordance with the invention may be advanta
intersection of said planes.
geously utilized in drum type winders wherein
5. In a yarn traverse for a winding machine,
the cam or traverse members would serve to rotate
a generally conical rotatable member having a
a package in frictional contact therewith and
supported on a freely rotatable spindle.
55 heart-shaped yarn guiding edge surface provided
~with a pointed portion and a substantially V
It will also be appreciated that the traverse in
accordance with the present invention is adapted
shaped notch portion opposite said pointed por
tion, said notch portion being formed with a lip
at one side thereof extending outwardly of said
ing machines, such as, for example, ?lling or
yarn guiding edge surface.
quill winders or the like.
6. A yarn traverse for a winding machine com
As various changes may be made in the form,
prising a pair of substantially identical cam mem
construction and arrangement of the parts here
bers having a heart-shaped yarn guiding surface
in, without departing from the spirit and scope
provided with a peak and a dwell opposite each
of the invention and without sacri?cing any of
its advantages, it is to be understood that all 65 other, means for rotatably mounting said mem
bers for movement independently of each other
matter herein is to be interpreted as illustrative
with the surfaces thereof adjacent and facing
and not in any limiting sense.
each other to provide an endless slit therebe
I claim:
tween moving along a line in a given plane, said
1. A yarn traverse for a winding machine com
prising'a support, a pair of shafts mounted on 70 members being so positioned on said means that
in only a given rotative position the peak of one
said support at an angle with respect to each
for use in connection with other types of wind
cam member surface faces the dwell of the other
other, a gear on each of said shafts in meshing
cam member surface and that in only another
relation with the other, a generally conical cup
rotative position the peak of the other cam mem
shaped member having a generally conical heart
shaped yarn guiding edge surface mounted on 75 ber surface faces the dwell of the ?rst mentioned
2,61 1,548
8
7
cam memberl surface, and means for rotating
said cam members at the same speed.
7. A yarn traverse for a winding machine com
prising a pair of substantially identical cam mem
with a peak and a dwell, means for rotatably
mounting said members with the surfaces-thereof
adjacent and facing each other to provide an
endless slit therebetween and with the axes of
said members disposed at an angle of about 120°,
bers having a heart-shaped yarn guiding surface
said members being so positioned on said means
provided with a peak and a dwell, means for ro
that in a given rotative position the peak of one
tatably mounting said members with the sur-'
cam member surface faces the dwell of the other
faces thereof adjacent and facing each other. to
cam member surface, and means for rotating said
provide an endless slit therebetween, said mem
bers being so positioned on said means that in 10 cam members at the same speed.
11. A yarn traverse for a winding machine
a given rotative position the peak of one,'cam
comprising a pair of adjacent cam members hav
member surface faces the dwell of the other cam
member surface, and means for. rotating . said
ing complementary generally heart-shaped cam
cam members at the same speed, said mounting
means each including ashaft, said shafts having
their axes of rotationpositioned in a common
plane at an angle to each .other.
8. A yarn traverse for a winding machinecom
prising a pair of substantially identical cam mem—.
bers having a heart-shapedyarn guiding surface
provided with a peak and a diametrically opposite
dwell, means for rotatably mounting said mem
bers with the surfaces thereof adjacent and fac->
ing each other to provide an endlessr-slitlthere
surfaces, and means for mounting each of said
members for rotation about an axis disposed at
an angle to the axis of the other with the axes in
the same plane and for positioning said members
to provide a yarn guiding opening between said
surfaces whereby said members are arranged to
pass the yarn back and forth along a line in the
a pointed portion and a substantially V-shaped
of one cam member surface faces the dwell ‘of the
tion in such a manner that the pointed portion
plane in which the axes are located.
12. A yarn traverse according to claim 11,
wherein each of said cam member surfaces has
between, said members being sopositioned on said 25 notch portion opposite said pointed portion, and
said cam members are arranged for relative rota
means that in a given rotative position the peak
other cam member surface, andmeans for rotat
ing said cam members at ‘the same speed, said
cam members each having a lip at one side of said
dwell extending outwardly of said yarn guiding
surface and constructed and arranged to be-posi
tioned in overlapping relation with ‘the peak-of
the other cam member.
7
9. A yarn traverse for a winding machine com~
prising a pair of substantially identical cam'mem
bers having a heart-shaped yarn guiding surface
provided with apeak and a dwell, means for ro
tatably mounting said members with the surfaces
thereof adjacent and facing each other to provide
of one cam member cooperates with the notch
portion of the other cam member.
13. A yarn traverse according to claim 12,
wherein each cam member surface has a lip at
one side of said notch portion adapted to under
lie said pointed portion of the other cam member
and to cooperate therewith to reverse the direc
tion in which the yarn is traversed.
14. A yarn traverse according to claim 11,
wherein said cam members are of generally coni
cal cup-shape and said cam surfaces are at the
free edges thereof.
15. A yarn traverse according to claim 14,
wherein said cam surfaces include generally
an endless slit therebe'tween, said members being
pointed portions and notch portions substantially
so positioned on said means that-in a given rota
diametrically opposite said pointed portions.
tive position the peak of one cam member surface
EDWARD J. HEIZER.
faces the dwell of the other cam member surface,
and means for rotating said cam members at the 45
REFERENCES CITED
same speed, said mounting means each including
The following referencesare of record in the
a shaft, said shafts having their axes of rotation
positioned in a common plane at an angle to each
file of this patent:
other, said cam members being generally conical
UNITED STATES PATENTS
and each having a side wall inclined at a prede 50
Number
Name
Date
termined angle with respect to the axis of rota
tion of its shaft, said predetermined angleand
1,543,519
the angle at which said shaft axes are disposed
being such that the sum of twice said predeter
mined angle and said shaft axes angle is 180°.
10. A yarn traverse for a winding. machine,
1,928,365
Anderson I ________ __ Sept. 26, 1933
2,044,621
2,151,327
2,249,147.
2,352,781
McHugh _________ __ June 16,
Moncrieif ________ __ Mar. 21,
Kuppers _________ __ July 15,
Fletcher. __________ __ July 4,
comprising a pair of substantially.identicalgen
erally conical cam members each having a side
wall inclined at an angle of about 30° with respect
Number
to the longitudinal axis thereof, said sidewalls 60
472,386
each being provided with a heart-shaped yarn
611,253
guiding edge surface at the base thereof formed
Reiners _____ __'_____ June 23, 1925
1936
1939
1941
1944
FOREIGN PATENTS
Country
Date '
Germany _________ __ Feb. 27, 1929
' France _____________ __July 3, 1926