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Патент USA US3035416

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May 22, 1962
R. HARGREAVES ETAL
3,035,398
FLIER CONSTRUCTION
Filed Aug. 7. 1959
_
2 Sheets-Sheet 1
6
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INVENTORS
ROBERT HARGREAVES
HAROLD M. MILLER
BY
ATTORNEY
'
May 22, 1962
‘
>
R. HARGREAVES ETAL
3,035,398
FLIER CONSTRUCTION
Filed Aug. 7. 1959
>
2 Sheets-Sheet 2
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BY
INVENTORS
ROBERT HAR‘GREAVES
HAROLD M. MILLER
I
ATTORNEY
atent
1
B?d???d
Patented May 22, 19/52
2
brackets 20 is a winding drum 24, and take-up spools 26
3,035,393
_
Robert Hargreaves, Whitinsville, and Harold M. Mlller,
FLIER CON TRUCTION
Northbridge, Mass, assignors to Whitin Machine
Works, Whitinsville, Mass, a corporation of Massa
rest upon the drums 24 and are rotated thereby.
These
take-up spools have end gudgeons 28 which are slidable
in guide grooves 30 in the brackets 20.
The brackets 20 slidably support a transverse bar 32
by means of extensions 34, and secured to this bar 32
there is a guide 36. Bar 32 may be reciprocated by any
Filed Aug. 7, 1959, Ser. No. 832,239
conventional mechanism in timed relation to the speed of
10 Claims. (Cl. 57-62)
the winding drums as is well known in the art, and the
This invention relates to improvements in the ?ier con 10 usual balloon-restricting cylinder indicated at 38 may be
struction used in a machine of the up-twister type. In
utilized in the usual manner and may be mounted upon
this respect, ‘attention is directed to Schlums Patent No.
a bracket 40 in turn mounted on rail 18. The description
chusetts
2,843,998 showing a typical up-twister construction.
When yarns which consists of certain long staples of
as so far recited is of usual or conventional type in an up
twister and may include the usual yarn guide 42 swingably
synthetic l?bers are twisted in the machine described in 15 mounted on the bracket 40 by means of the mounting 44
on pivot 46.
‘
the above-identi?ed patent, it is found that the ends of
these ?bers \are thrown outwardly from the package or
The upper end of the spindle 14 is provided with a re
spool supply by centrifugal force and the loose ?ber ends
duced tip indicated by the reference character 48, see FIG.
3. The new and improved ?ier construction is provided
become twisted with the yarn itself, causing the yarn to
break. These yarn breakages occur more often due to 20 with a sleeve~like hub 50 having a central cylindrical hol
low portion and an enlarged opening at 52 for a purpose
the loose ?ber ends when two or more yarns or strands
to be described. This hub 50 receives a generally cylin
in the supply package are twisted together to form a
plied yarn.
It is the general object of the present invention to obvi
drical bushing 54 which is conveniently made of nylon
or the like and is provided with a top end ?ange or collar
ate this di?iculty by providing a construction in the novel 25 56 held in position ‘against the bottom 58 of the enlarge
ment 52 by means of ya snap-ring 60. The bushing may
?ier wherein the twist is prevented from reaching back
be made elastic by slitting it lengthwise as shown at 62.
wardly into that portion of the yarn which is adjacent the
Surrounding the bushing 54 and located in appropriate
supply package and by preventing the twist in this por
internal annular recesses in the hub 50, there are provided
tion of the yarn, the loose ends do not become twisted
into the yarn and therefore these loose ends cannot cause 30 a set of O-rings 64. The hub '50 is provided with an en
larged base 66 and when the ?ier is assembled on the tip
the yarn to break.
of the spindle, this base rests directly on the top of the
Another object of the invention resides in the provi
spool which is indicated ‘at 68. The O-rings keep the
sion of new and improved twister ?ier wires or ?ier legs
‘bushing and hub tight on the spindle tip and due to the
formed with loops or eyes arranged in a new and improved
35 relative elastic mounting of the bushing, the ?ier can be
manner for carrying out the purposes above described.
Other objects of the invention reside in the provision
of an anti-friction mounting for the flier for the reduc
tion of undue tension on the yarn being twisted; the provi
easily and quickly removed bodily from the spindle when
an empty spool has to be changed to a fresh supply. The
?ier of course is as easily returned to the spindle with
sion of a new and improved ?ier controlling the zone or
the base of the hub always positioned ?atly against the
area in which the yarn is twisted to maintain a more uni 40 top of the spool.
form twist; the provision of a novel ?ier construction en
abling worn or damaged wires or legs to be quickly re
moved ‘and replaced and to replace one type of ?ier wire
or leg with another type when the direction of twist is to
race 70 of a ball-bearing for the ?ier ‘arms to be de
applied to an up-twister machine, parts being in section;
in turn being supported and held in position thereby.
The base 66 of the hub provides a support for the inner
scribed, and this inner race is held in position by a snap
ring 72 ‘as clearly shown in FIG. 3.
be changed; and the provision of ‘a self-centering yiel-dable 45
There are provided a pair of clamping plates or mem
driving connection between the ?ier mounting and the
bers which are arranged in superposed condition and these
spindle which is easily detached.
\
plates are similar in size and shape and are indicated as
The invention further relates to arrangements and com
at '74 and 76, 74 being the upper plate and 76 the lower
binations of parts which will be hereinafter described and
plate. These plates may be of any shape desired but are
50 preferably elongated as is shown in FIG. 2 and centrally
more particularly set forth in the appended claims.
Reference is to be had to the accompanying drawings,
thereof are provided with annular offset portions indi
in which
cated respectively at '78 and 36 for the purpose of hold
FIG. 1 is a view in elevation illustrating the invention
ing the outer race 82 of the ball-bearing in position, and
FIG. 2 is a plan view on an enlarged scale illustrating 55 Bolts 84- with ‘appropriate nuts or similar fastenings pass
the improved ?ier;
through appropriate apertures provided in the clamping
FIG. 3 is -a view in elevation, looking in the direction
of arrow 3 in FIG. 2, parts being in section to illustrate
the construction;
plates 74- and 76 and these bolts pass through eyes 86
formed on the inner ends of the ?ier wires or arms re
spectively indicated at 88 ‘and 9t}.
FIG. 4 is a view on a still further enlarged scale and is 60
These bolts, together with the clamping plates, hold
a section on line 4-4 of FIG. 3; and
the ?ier wires or legs in the correct position, and it will be
FIG. 5 is a view similar to FIG. 4 but showing a modi
seen that these bolts secure the clamping plates to the
outer bearing race 82 and clamp the ?ier wires or legs be
?cation thereof.
Referring now to FIG. 1, the disclosed embodiment of
tween the clamping plates 74 and 76. At the same time,
the invention comprises the up-twister machine which 65 they also maintain the ?ier wires or legs in a de?nite re—
lationship with respect to the supply spool 68 by reason
includes Ia frame 10 of generally conventional construc
of the positioning thereof with relation to the hub and
tion and having a rail 12 on which is mounted a plurality
the base of the hub at 66.
of spindles l4 rotated by belts to from ‘a power source not
shown. Frame 10 also supports a rail 18 on which a
Each ?ier wire or leg is formed at its outer portion
plurality of brackets 20‘ may be mounted. These brackets 70 with a depending arm 92 upon which is formed ‘a guiding
20‘ provide spaced bearings for a continuously rotated
eye or pigtail 94. Also, each ?ier wire or arm 88 or
90 is provided ‘with ‘an upper o?set wire 'as at 96, the
shaft 22. Secured to shaft 22 and between each pair of
3,035,398
4
3
same having an eye or pigtail 98.
to withdraw yarn from said yarn package, in combination
with a ?ier construction comprising a central hub, said
hub being removably mounted on the spindle and includ
ing a portion thereof adapted to abut and be positioned
by the end of the yarn package on the spindle, means for
These ?ier wires or
arms being alike, the guide-eye 98 is reversed diametri
cally as shown in FIG. 2, but of course extends to the
same side of the respective ?ier in the direction of rota
tion thereof.
Referring now to FIG. 1, the yarn Y extends from
mounting generally radially extending ?ier legs on said
the package P and passing upwardly extends outwardly
hub, yarn guiding and snubbing means at the outer ends
of said ?ier legs, said ?ier leg mounting means comprising
against the outer portion of the leg 88 or 90, then passing
a bearing on the hub, a pair of plates holding the legs
inwardly through the guide-eye 98. See also FIGS. 2 and 10 therebetween at diametrically opposite points relative to
3 which illustrate that there is a drag or snubbing effect
the hub, and means clamping the plates on portions of the
through the guide-eye 94.
Thence it passes over and
of the yarn on the ?ier wire or leg between the two eyes
legs.
94 and 98. This snubbing effect prevents the twisting
action from extending rearwardly back into the yarn be
tween the eye 94 and package P. In other words, the
4. A twister machine including a driven spindle for
supporting and rotating a yarn package and having means
to withdraw yarn from said yarn package, in combination
with a ?ier construction comprising a central hub, said
hub being removably mounted on the spindle and includ
ing a portion thereof adapted to abut and be positioned
by the end of the yarn package on the spindle, means for
twist formed in the zone between eye 98 and the take-up
spool 26 is blocked from reaching back into the balloon
ing zone in the member 38 and this greatly reduces yarn
breakages due to the ?ber ends as above explained. It
also provides that a very uniform twist is maintained in
the processed yarn because the zone of twisting is well
controlled.
mounting generally radially extending ?ier legs on said
hub, yarn guiding and snubbing means at the outer ends
of said ?ier legs, said ?ier leg mounting means comprising
The direction of rotation of the supply package P de
a bearing on the hub, a pair of plates holding the legs
termines the direction in which twist is inserted in the
therebetween at diametrically opposite points relative to
processed yarn. When the package is rotated clockwise, 25 the hub, and means clamping the plates on portions of
the legs, said yarn-guiding and snubbing means extend
the yarn has 2 twist, and when rotated anti-clockwise, the
yarn has 8 twist. Therefore two types of ?ier wires are
ing outwardly beyond the yarn pack-age and guiding yarn
required, one type for S twist and the other type for Z
therefrom to the said yarn withdrawing means.
twist. FIGS. 1 to 4 show the ?ier wires or legs for Z
5. A twisting machine comprising a spindle to mount
twist and FIG. 5 shows the ?ier construction which is 30 a supply spool thereon, in combination with a twister ?ier,
used for S twist. The only difference between the two
said ?ier comprising a hub detachably mounted on said
types is that the eye 98 is at one side of the ?ier wire or
spindle, ?ier legs extending generally radially outwardly
leg, while the corresponding eye 100 in FIG. 5 is at the
from the hub, and means detachably connecting the legs
opposite side thereof. Changing from one type of ?ier leg
to the hub, said means comprising a pair of clamping
to the other is quickly and conveniently accomplished as 35 plates detachably mounted relative to the hub, a bearing
explained above.
interposed between the hub and the plates so that the
With the above description taken in conjunction with
plates are relatively rotatable with respect to the hub, said
the drawings, it is believed that it will be seen that all
means including a fastener for the plates, the legs being
the objects of the invention have been carried out, and
included between the plates.
particularly that the zone in which the yarn is twisted is 40
6. The machine of claim 5 wherein the bearing in
controlled in such a way as to maintain a uniform twist
cludes an inner and an outer race, the inner race being
while at the same time preventing breakage. Further
more, the parts are easily and quickly removed and re
located on the hub and the plates being removably
placed and there is provided a yieldable elastic driving
connection between the ?ier mounting and the spindle in
which the ?ier mounting is easily removed and replaced.
At the same time, the construction is such as to provide
for accurately positioning the various parts of the device
and particularly they maintain the ?ier wires or legs in a
definite relationship with respect to the supply spool.
mounted on the outer race.
7. The machine of claim 5 wherein the bearing in
cludes an inner and an outer race, the inner race being
' located on the hub and the plates being removably
mounted on the outer race, said fastener securing the
plates to the outer race.
8. A twisting machine comprising a spindle to mount a
supply spool thereon, in combination with a twister ?ier,
Having thus described our invention and the advan 50 said ?ier comprising a hub detachably mounted on said
tages thereof, we do not wish to be limited to the details
spindle, a removable bushing in the hub, means to secure
herein disclosed, otherwise than as set forth in the claims,
the bushing to the hub, and means causing the bushing to
yieldably grip the spindle, ?ier legs extending generally
but what we claim is:
l. The combination in a twisting machine including a
radially outwardly from the hub, and means detachably
driven spindle supporting and rotating ‘a yarn package and
connecting the legs to the hub, a bearing on the hub, said
including means withdrawing the yarn upwardly from
last-named means comprising a pair of plates mounted on
said yarn package, of a ?ier comprising a leg associated
the bearing and supported thereby, said plates clamping
with said spindle and located between the yarn package
the legs therebetween.
and the yarn withdrawing means, said leg extending gen
9. A twisting machine comprising a spindle to mount a
erally outwardly from the spindle and terminating in a 60 supply spool thereon, in combination with a twister
position spaced from said spindle, guide-eyes mounted on
?ier, said ?ier comprising a hub detachably mounted on
the leg adjacent the terminal portion of the latter, said
leg extending down, forming a shoulder, said guide-eyes
said spindle, a removable bushion in the hub, means to
secure the bushing to the hub, and means causing the
bushing to yieldably grip the spindle, ?ier legs extending
and shoulder providing means snubbing the yarn and pre
venting the twisting action of the machine from extending Cb O generally radially outwardly from the hub, and means
back into the yarn between the guide-eyes and the yarn
detachably connecting the legs to the hub, a bearing on
package, one guide eye being located below the leg and
the hub, said last-named means comprising a pair of
shoulder and the other guide-eye being located on and in
plates mounted on the bearing and supported thereby,
offset relation to the leg, generally above the shoulder.
and clamping means to cause the plates to clamp the legs
(
2. The twisting machine of claim 1 including means 70 and also to secure the plates to the bearing.
mounting the leg on the spindle and means for detachably
10. The combination in a twisting machine including a
clamping the leg in a predetermined relationship with re
driven spindle supporting ‘and rotating a yarn package
spect to the mounting means.
and including means withdrawing the yarn upwardly
3. A twister machine including a driven spindle for
from said yarn package, of a ?ier comprising a leg asso
supporting and rotating a yarn package and having means 75 ciated with said spindle and located between the yarn
5
3,035,398
6
package ‘and the yarn Withdrawing means, said leg ex
tending generally outwardly from the spindle and termi
nating in ‘a position spaced ?rom said ‘spindle, guide-eyes
mounted on the leg adjacent the terminal portion of the
latter, said guide-eyes providing means snubbing the yarn
‘and preventing the twisting action of the machine from
extending back \into the yarn between the guide-eyes and
the yarn package, one guide-eye being located below the
leg and the other guide-eye being located on and in off
set relation to the leg, the leg extending downwardly at 10
1,578,488
1,655,352
1,985,666
1,995,203
2,009,249
2,583,516
2,843,998
2,981,048
extending part thereof.
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,547,813
Herr et a1. ___________ __ July 28, 1925
15
Babcock et ‘a1. _________ __ Jan. 3,
Munson _____________ __ Dec. 25,
Follmer _____________ .. Mar. 19,
Castelli ______________ __ July 23,
McDermott __________ __ Jan. 22,
Schlums ______________ __ July 22,
Burnell ______________ __ Apr. 25,
1926
1928
1934
1935
1935
1952
1958
19611
FOREIGN PATENTS
its end and forming an additional yarn snubbing means
with the eyes, the offset eye being located inwardly from
the end of the leg, the eye below the leg being located
substantially at the end of the leg on the downwardly
Walker ______________ _.. Mar. 30,
1,021,052
441,814
477,075
771,898
1952
1936
1937
Great Britain __________ __ Apr. 3, 1957
France ______________ __ Nov. 26,
Great Britain _________ __ Jan. 27,
Great Britain _________ __ Dec. 21,
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