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Nov. 19, 1946.
,_._ HAMRICK
2,411,268
MULTIPLE NEEDLE LOOPING MACHINE
Filed Aug. 4, 1944'
5 Sheets-Sheet 1
NOV. 19, 1945.
v
‘
|_, HAMRlCK
_ I
2,411,263
MULTIPLE NEEDLE LOOPING MACHINE
Filed Aug. 4, 1944
5 Sheets-Sheet 2
Nov. 19, 1946.
L. HAMRICK
2,411,268
MULTIPLE NEEDLE LOOPING MACHINE
Filed Aug. 4, 1944
5 Sheets-Sheet 3
Nov. 19, 1946.
L. HAMRICK
2,411,268
MULTIPLE NEEDLE LOOPING MACHINE
Filed Aug. 4, 1944
5 Sheets-Sheet 4
NOV. 19; 1946.
]__ HAMRlCK
2,411,263
MULTIPLE NEEDLE LOOPING MACHINE
Filed Aug. 4, 1944
7
>5 Sheets-Sheet?
g 0
“Lu
2,411,268
Patented Nov. 19, 1946
1 ‘ "UNITED STATES PATENT \ OFFICE‘D'
2,411,268
. MULTIPLE NEEDLE LQOPING. MACHINE ‘
"Lyman Hamrick, Ga?r‘ney', s. o. . ‘
‘
‘
\ Application August 4, 1944, Serial No. 548,017
5 Claims. (01. 112-79)
'
1
‘
i
an enlarged scale, and taken along the line 5‘—5
, in Figure l;
Figure 6 is a view similar to Figure 5, but show
ing the looper in a different position;
Figure 7 is a top plan viewjof a portion of, the
a plurality of loopers or one looper for each nee
dle adapted to engage the strand after the strand
has been carried through the fabric by the nee
dle and having means for not only oscillating
the loopers in a back and forth manner, but also
bed
10
i
.
l
‘
‘
'
It is an object of this invention to provide a
in Figure 1;
.
.
Figure 9 is a vertical sectional view through the
clutch arrangement shown inFigure 8, and taken
along the line '9—9_ in Figure 8. ' ‘
loops to a greater degree than if only the ?rst
oscillation mentioned were imparted to the looper
1
_
ment for driving the feed roll with the annular
member removed, and taken along the line 8-8
have engaged the strands to thereby lengthen the '
‘
plate;
Figure 8 is an elevation of the. clutch arrange
giving further oscillation to the loopers when they
shaft.
2
.
This invention relates to a multipleneedle loop
ing machine having means for pulling the fabric
through the machine with a needle bar provided
with a plurality of needles for piercing the fabric
and carrying a strand therethrough and having
15
Referring more speci?cally to the drawings, the
numeral it] indicates front upright framelmem
bers while ll indicates the rear upright frame
members. The reference character 12 indicates
a transverse upper front frame angleI member,
multiple needle looping machine having a needle
bar provided with a plurality of needles for pierc
While reference character [3 indicates the? rear
ing a fabric and having a looper shaft provided
with a plurality of ‘loopers with means connect 20 horizontal angle.‘ member. ‘
The upper ends of the vertical membersvlil land
ing the‘ looper shaft to an oscillating shaft and
‘ H are joined together by means of angle mambers 9, and On these angle members 9‘, the hori
pass the loopers between the strand and the nee
zontal front and rear angle members IZ-and I3
dle when the needle is in lowered position, and
also having other means for imparting oscilla 25
These angle members I2 and I3 have spanning
tion to the looper shaft after its loopers have en
' the» distance therebetween a plurality of‘ bars I4
gaged the strands on associated needles to pull
on which a plurality of bearings [5 are mounted
the points of the loopers further downwardly
and in which bearings an upper drive shaft [6 ‘
away from the fabric to thus form greatly in
is mounted for rotation; shaft [6 has a hand
creased lengths of loops on the lower surface of l
wheel lea ‘thereon on‘one' end thereof so that the.
the fabric.
machine can be turnedover slowly by hand for
‘ It is another object of this inventionto pro‘
adjustment purposes. The shaft 16 is driven by
vide a multiple needle looping machine having
any‘suitable means such as a pulley ll having
a unitary needle bar provided with a plurality of
needles for piercing the fabric with an intermit 3.) a belt I8 mounted thereon which is also mounted
on a pulley I9 ?xed‘o'n a motor‘shaft ‘20‘ of an
tently movable feed roll for drawing the fabric
‘ electric motor 2! suitably supported in a manner
past the needles and a plurality of loopers dis
‘ not shown.
‘
posed below the fabric and adapted to engage
‘Spanning'the distance between the rear up
the strands carried by the needles through the
right‘framememb'ers ‘H ‘is a channel member 25
fabric for forming loops on the lower surface of
‘having ?xed thereon a plurality of sets of bear
the fabric together with means for imparting ad
ings 26 in which are mounted for vertical re
ditional oscillation to the loopers to greatly
ciprocation a plurality of rods 21 whose upper
lengthen the loops being formed on thelower
means for oscillatingthe second-named shaft to _
are
surface of the fabric.
.
Some of the objects of the invention having
been stated, other objects will appear as the de
scription proceeds, when taken in connection with
the accompanying drawings, in which:
Figure 1 is a rear elevation of the machine
with the central portion thereof broken away,
and with the bottom portion of the framework
disposed.
_
“
‘
‘
i
‘
ends are p-ivotally connected as at 28 to an ec
centric arm 29 which encircles an eccentric por
tion 36 ?xed on the shaft 16.
-
To the lower ends of the bars 21, there is se
cured a. needle bar 3| having a plurality'of spaced
needles 32 projecting from the lower surface
90 thereof.
These needles 32 are‘mounted in ver
tically disposed holes 34 and are-fixed in position
by means of set screws 35. The needle bar also
has a plurality‘ of vertically disposed holes 31,
Figure 2 is an end elevation looking at the left
there being a hole 3'‘! .for each needle, through
hand side of Figure 1;
Cu CA which the strands of yarn 38 are led from suit
Figure 3 is an enlarged top plan view of a
able packages, not shown.
1
.
For guiding the strands of yarn, there is an
portion of the needle bar;
Figure 4 is a front elevation of a portion of
angle bar4l! ?xed to the front surface ‘of upper
horizontal angle bar I2 andhaving a plurality
the needle bar;
Figure 5 is a vertical cross-sectional view on‘ 60 of holes therethrough,‘through which the strands
broken away;
‘
2,411,268
Y
4
J
of yarn 38 are passed for guiding the same and
‘ keeping the strands of yarn separated from each
other.
pierce the fabric so as to move the fabric a suf
?cient amount to allow the needles to penetrate
the fabric again to form new loops from the yarn
Disposed between the front vertical frame
members It‘! is a horizontally disposed rod 4 I
carried by the needles. The distance apart of
the loops is regulated by the point of adjustment
beneath which the strands of yarn 38 are guided
on their way to the vertically disposed holes ‘31
in the needle bar 3 I.
of bolt ‘I4 in slot ‘I3.
.
. Fixed on shaft I6 is a sprocket wheel 86 on
which is mounted a sprocket chain 81 which ex
tends downwardly and is mounted on a sprocket
wheel 88 ?xed on shaft 89. This shaft 89 is
The channel member 25- has ?xed 1 thereto
downwardly projecting strap members 45 to the
lower end of which is ?xed an angle bar £16 hav
mounted in bearings 99 and 9| disposed on angle
ing a plurality of holes 41 therethrough for npas
sage of the needles and the yarn carried thereby.
This angle bar 46 is adapted to serve as a'presser
bar 92 and bar 93 respectively supported at their
ends by suitable brackets 94 secured to the front
‘and rear upright frame members In and I I.
foot or presser bar for pressing a fabric 54 against 15
Mounted on the shaft 39 is a closed cam wheel
a 'bedplate 5!! which is mounted-on two-horizon
95 having a closed cam trackSlG therein in which
tally disposed intermediate angle bars 5! and 52.
a pin 91 ?xed on one end of arm 98 is adapted
This'bed plate 5!] has a plurality of elongated slots
53 therein, the front end of which is adapted
to allow passage of the needles through the fabric
54 resting on the bed plate 59, and these-slots 53
increase in: width as ‘they progress rearwardly
to be con?ned to impart oscillation‘to lever arm
' 98. ‘This ‘lever arm 98 is ?xedly secured on an
oscillating shaft .99 which is mounted insuitable
‘ bearings I93 and IIJI at its ends.
Fixed on shaft 99 isia plurality of uprightmerh
to allow room for the passage of the loops formed
berg I92 in the upper ends of which is mounted
‘by the loopers rearwardly and out over the rear
for oscillation a looper shaft IE3‘. Members I 02
ends of these slots as the fabric 54 progresses 25 are split at .their'lower ends and are adapted to
through the machine.
'clampingly engage shaft ‘99 by means .of a bolt
Mounted in suitable bearings 55 and 56 are stub
I'I9 ‘so as to angularly and longitudinally adjust
shafts 51 and 58 respectively, which are ?xed in '
these members relative to shaft 99. This looper
the ends of a take-‘up sand‘ roll 59 which has a
, shaft I03 has ?xed thereon a- lever arm I04 which
roughened or abrasive :surface thereon, which '30 is pivotally connected as at I65 to an eccentric
"may be acovering of perforated vmaterial, or any
arm 106 which encircles an eccentric IE2"! ?xed on
suitable friction covering such as is present on
shaft 89.
_ '
, .
.sand rolls in looms.
To the rear surface of looper ‘shaft 1403 as
Pivotally mounted as at 69 and GI on the rear
viewed from standing in ‘frontkof the machine,
frame members I I are links 62v and 63in‘the free 35 there is fixed in‘ sections ‘a ‘looper carrying bar
“ends ‘of which are mounted 'stub'shafts 64 and‘ 65
IIO having adjustably mounted therein. a.plu- >
which are embedded in and ?xed'to a. weight
roll '65 which is adapted to rest on the roughened
roll 59, and b-etweengwhich the cloth 54 is adapted
to pass as shown in Figure 2.
>
.
Intermittent motion is given to ‘the take-up
'rality of loopers III, these loopers being wVerti
cally adjustable by ‘means of suitable set screws
, IE3 and the sections of the ‘looper bar ‘I I0 being
40 secured to the looper shaft I93 'bymeans of a
roll 59 by means of a free wheeling clutch ar
rangement ?xed on the stub shaft 57. This com
prises a member ‘I9 rotatably mounted on stub
plurality of bolts'I I4. ‘It is to be noted that the
front or pointed ,portion of ‘each looper ‘has a
shoulder "H5 which is adapted ‘to engage the
strand as the extreme pointed portion of the
shaft 51 and having a lever arm ‘II ?xed thereto .1, ‘ looper passes ‘between the strand and the needle
which projects forwardly of the machine and is
slotted as at ‘I3 in which is adjustably mounted
by means of a bolt M the lower end of a link ‘I5,
the upper end of which has a bearing which en
circles an eccentric ‘I6 ?xedly mounted on shaft ,
I6. This imparts up and down motion to the
free end of lever .‘H and'thus oscillates the mem
ber 19 back and forth on the stub shaft 51,.
The periphery of member 10 has a plurality of
tapering notches BE! therein in vwhich rollers I8I
are mounted. Fixedly, mounted on stub shaft 51
is a cup-shaped member 83 whose periphery is
adapted to encircle the member ‘I6. An annular
member 84 is ?xed over the open end of the cup
shaped member ‘83 to con?ne the member "II!
‘against endwise movement on the stub shaft 51
and to con?ne the rollers 8| in the notches 89.
as it moves to lowered position, and thisshoulder
prevents the loops from travelling further back
on the looper as-shcwn'in ‘Figure $6.
With theparts in'the position shown in Fig
ure 5, as the needle starts its upward movement,
the closed-channel ‘9B in cam wheel 95 oscillates
arm 98, which oscillates the shaft 99 to move
the looper point in between the yarn carriedby
the needle and the needle itself, and immediately
verging end of the notches 80 and will be wedged
between the wall of the notches and the periph
eral portion of the member 63 and will therefore
above the ‘needle eye, and vthus prevents the yarn
from being withdrawn from the fabriclon the up—
ward travel of the needle. At the same time,
after the looper has passed in between the ‘needle
and the yarn to cause the yarn to impinge against
its shoulder II the eccentric Mil causes down
ward movementof arm IIM‘to also oscillate shaft
"I03 ‘to the position shown in ‘Figure 6 to thus
draw out the loops to a much greater length than
would bet-he case were not this double oscillation
. given to the shafts 99 and H33 respectively,
The vertical posts iii] and II rest onfa ‘base
member I529, which with frame members 'I'2I,
I22, and I23, form a support for a shaft I24
on which a roll of the cloth 5% is adapted'to be
supported. This cloth on its way to the upper
‘surface of the bed plate passes over a roller I25
impart a step by step rotation to the take-up roll
rotatably mounted in’bearings I25 supported on
‘ It is‘thus seen that as the lever ‘III moves down
wardly, the rollers 8| will roll back into'the larger
portion of the notches 8i) and will have no tend
, ency to move the cup-shaped member 83; whereas,
upon upward movement of the free end of lever
"I I, the rollers 8| will move into the narrow or con
59. This movement of the shaftB'I and the take
~up_roll 59 occurs‘while the needle is moving up
~warclly out- of the fabric and downwardly to.
blocks I2? secured to the front surface of the
front vertical posts I9.
I
-_
_ ‘
It ‘is to be noted that the lever arms 98 and
5
2,411,268
I04 are split at the end where they encircle the
shafts 99 and I03, respectively, and are pene
trated by a suitable bolt l l8 which allows angular
adjustment of the lever arms 98 and Hit relative
6
the slots in the bed plate, an oscillatable shaft
disposed below the bed plate, a main shaft hav
ing cam means thereon and a connection between
the cam means and the oscillatable shaft for
to their respective shafts and also permits longi 5 imparting oscillation to the oscillatable shaft,
tudinal adjustment of‘ same to align them with
said oscillatable shaft having a plurality of up
the respective eccentrics with which they are
rising arms ?xed thereto and a looper shaft
adapted to operate.
1
mounted for oscillation in the upper ends of said
In the drawings and speci?cation, there has
arms, a lever carried by the looper shaft and
been set forth a preferred embodiment of the in
having a connection at its outer end extending
vention, and although speci?c terms are em
downwardly, a cam member disposed on the main
ployed, they are used in a generic and descriptive
shaft and a connection between the cam member
sense only, and not for the purposes of limitation,
and said connection on the outer end of said
the scope of the invention being de?ned in the
lever for imparting oscillation to the looper shaft,
claims.
the looper shaft having aflixed thereto a plu
I claim:
1. A looping machine comprising a framework
having a needle bar provided with a plurality of
needles and means for imparting vertical recipro
cation to the needle bar and needles to pierce a
fabric being passed through the machine, an
oscillating shaft disposed below the fabric and
having a pair of upwardly projecting arms there
rality of looper members, each looper member
having a pointed end and a shoulder disposed
on the lower surface thereof immediately below
the pointed end and against which the yarn is
adapted to impinge when the looper is passed be
tween the yarn and the needle carrying same
upon oscillation of the ?rst-named shaft, the
looper shaft being adapted to be oscillated in the
on, a looper shaft mounted for oscillation in the
upper ends of said uprising arms to impart fur
upper ends of said arms, means for imparting 25 ther downward movement to the free ends of
oscillation to the ?rst-named shaft to pass the
the looper members after they have been passed
loopers between the needles and the strands car
into engagement with the strands carried by the
ried thereby to engage the strands when the
needles to form loop-s thereon, whereby the loops
needles are in lowered position so as to form
formed by the loopers will be pulled downwardly
loops on the lower surface of the fabric as the 30 further as the needles move upwardly to thereby
needles are withdrawn from the fabric, means
form more elongated loops on the lower surface
for also imparting oscillation to the looper shaft
of the fabric being passed through the machine.
for moving the points of the loopers further down
4. A looper mechanism comprising an oscil
wardly away from the fabric to lengthen the loops
latable shaft, means for imparting oscillation to
already formed by the loopers from the yarn 35 the shaft, a plurality of uprising arms ai?xed
passed through the fabric by the needles.
on said shaft, a looper shaft mounted for oscil
2. A looping machine comprising a framework
lation in the upper ends of said arms, a looper
having a needle bar provided with a plurality of
member ?xed on said shaft, an arm extending
needles and means for imparting vertical recipro
from said looper shaft, an eccentric mechanism
cation to the needle bar and needles to pierce a 40 having a connection with said arm for imparting
fabric being passed through the machine, an
oscillation to the looper shaft, a bed plate for
oscillating shaft disposed below the fabric and
supporting a fabric adapted to be pierced by a
having a pair of upwardly projecting arms there
needle, the looper having a shoulder thereon
on, a looper shaft mounted for oscillation in the
adapted to pass between the yarn and the needle
upper ends of said arms, means for imparting 45 carrying the yarn for forming loops upon oscilla
oscillation to the ?rst-named shaft to pass the
tion of the ?rst-named shaft, the means for im
loopers between the needles and the strands car
parting oscillation to the looper shaft being timed
ried thereby to engage the strands when the
to impart oscillation to the looper shaft after
needles are in lowered position so as to form
the ?rst shaft has oscillated so that upon oscilla
loops on the lower surface of the fabric as the 50 tion of the looper shaft, the loop is moved down
needles are withdrawn from the fabric, means
wardly and lengthened as the needle moves up
for also imparting oscillation to the looper shaft
wardly through the fabric.
for moving the points of the loopers further
5. In a looping machine having a plurality of
downwardly away from the fabric to lengthen
needles and an oscillatable shaft having ?xed
the loops already formed by the loopers from the 55 thereon a plurality of loopers, a second oscillatable
yarn passed through the fabric by the needles,
shaft having arms ?xed thereon and in the free
a feed roll for pulling the fabric past the needles
ends of which the ?rst oscillatable shaft is mount
in step by step movement, and means driven in
ed, means for imparting oscillation to the second
timed relation to the needles for moving the fab
shaft for producing loops on the lower sides of a
ric upon each up and down movement of the 60 fabric being passed through the machine, a feed
needles.
,
roll driven in timed relation to the needles for
3. In a looping machine comprising a frame
pulling the fabric through the machine, each of
work having a vertically reciprocable needle bar
the loopers having a shoulder near its free end
provided with a plurality of needles, a bed plate Y adapted to engage a strand of yarn and to hold
having a plurality of elongated slots therein, 65 the yarn while the needle is withdrawn from the
through which the needles are adapted to pro
fabric to form loops on the lower side thereof and
ject, means for feeding a fabric across the bed
means for imparting oscillation to the ?rst oscil
plate, a presser bar adapted to press on the upper
latable shaft to draw the strands of yarn farther
side of the fabric, said presser bar having a plu
downwardly than the point to which they were
rality of holes therethrough through which the 70 drawn by oscillation of the second shaft.
needles with a strand carried thereby are adapted
to project to penetrate the fabric and penetrate
LYMAN HAMRICK.
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