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Патент USA US2124067

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July 19, 1938.
K. HOWIE \
~
2,124,067
NEEDLE BAR ASSEMBLY FOR KNITTING MACHINES AND PROCESS OF- KNITTING THEREON
Original Filed Dec. 14, 1955
2 Sheets-Sheet 1
ju?y 159, 193.
K. HOWIE
2,124,957
NEEDLE BAR ASSEMBLY FOR KNITTING MACHINES AND PROCESS OF KNITTING THEREON
Original Filed Dec. 14, 1935
2 Sheets-Sheet 2
Jfennei'h Jigugz'e,
W.
2,124,067
Patented July 19, 1938
UNITED STATES PATENT OFFICE
2,124,067
NEEDLE BAR ASSEMBLY‘ FOR- KNITTING
MACHINES AND PROCESS OF KNITTING
THEREON
Kenneth Howie, Norristown, Pa., assignor to
Wildman Mfg. (30., Norristown, Pa., 2. corpo
ration of Pennsylvania
Application December 14, 1935, Serial No. 54,470
Renewed January 5, 1938
9 Claims.
(on. 66-82)
The invention relates to full fashioned knitting
machines of the Cotton type.
ing another part of the means for adjusting the
needle bar sections.
‘
Fig. 12 is a diagram of the fabric produced with
the aid of the sectional needle bar.
The sectional needle bar can be used in an
5 each end of the middle section, said end sections
being adjustable endwise away from the middle. ordinary Cotton frame for making full fashioned
section to leave enlarged spaces in the needle row hosiery, or in the machine shown in the United
between the adjacent ends of the sections so that States patent of Howie and Krieble, December
'
a wale of enlarged sinker loops will be knit in 4, 1934, No. 1,982,991.
The needle bar of the present invention i
each heel tab substantially at or adjacent the in
which the row of spring beard needles d are
ner selvage thereof.
'
In transferring the leg blank to a machine for mounted is shown generally at i, la, carried by
knitting the foot portion onto the leg portion, the brackets 2, mounted on bearings 4 and operated
wale of open stitches can be used for impaling by mechanism substantially as in ordinary prac
15 the heel tabs onto the transfer bar, and thence tice, upwardly and downwardly and also for 15
to the needles of the footer machine. Or the wardly and backwardly in performing the knit~
The invention includes a needle bar made‘of
sections i. e. a middle section and a section at
fabric, having the wale of enlarged loops, can~be
impaled on the needles of the same machine on
which they were formed, for continuing the knit
20 ting to form the foot, or the tabs with the wales
of enlarged loops can be used in a process in
, volving the attachment of .said tabs to the foot
portion of the stocking by a looping action per
formed by the operator.
25
I
Fig. l is a front view of the needle bar adjusted
to its closed position, and showing part of the
30 means for operating the ban.
Figs. 1a and lb are details.
Fig. 2 is a front view of the needle bar adjusted
to its open position.
Fig. 3 is a detail plan view of parts of ad
35 jacent sections of the needle bar and part of the
means for adjusting the sections of the bar to
open or closed position. This view shows the sec
tions in their separated relation, the bar therefor
being referred to as in its open condition.
Fig. 4 is a detail plan view of the sectional
clamping member of the needle bar.
Fig. 5 is a detail plan view of the main part of
the sectional needle bar.
'
section I and end sections Ia, for a purpose here
inafter described.
20
'
The sections of the bar are each provided with
a dovetail base kc corresponding to the recess in
‘II are cross plates 1 lb secured by screws ‘I2. The 25
ratus, the process of knitting, and the fabric.
40
'
This needle bar according to the present’ im
provement is formed in sections, i. e., a middle
the carrier rail. At the ends of the carrier rail
The invention also includes besides the appa
In the accompanying drawings
ting operations.
'
Fig. 6 is a plan view of the supporting rail of
45 the sectional needle bar.
Fig. 6a is an end view of Fig. 6.
Fig. 6b is a view of an end plate for the rail
of Fig. 6.
Fig. 7 and Fig. 7a are end views of the main
part, and the clamping part, respectively, of the
needle bar.
Figs. 8 and 9 are views of a bar forming part
of the means for adjusting the sections of the
needle bar.
Figs. 10 and 11 are views of an eccentric form
55
center section of the-needle bar is ?xed to'the
carrier rail by screws 13. The end sections are
adapted to have movement lengthwise along the
carrier} rail to and from the center section, the
outward movement being limited by the adjust 30
able stop screws ‘llc. The needles are clamped
between the main sections of the needle bar and
the complementary clamping sections lc which
are secured to the main section by the bolts Id.
Each main section of the needle bar may- have 35
one of ' the clamping members associated there
with, so that‘ each end section with its clamp can
be ‘ manipulated independently.
vThe movable end sections la of the needle bar
are pressed normally endwise against the ends 40'
of the fixed middle section I of the bar by
springs 14 which are seated in sockets 14a of the
cross plates ‘Nb and sockets.“ in the end sec
tions.
‘
The closed position of the needle bar, i. e.- with 45.
the end sections against the middle, is shown in I
Fig. 1, so that the needles adjacent the joint be
tween the sections are spaced apart a distance
equal to the spacing of the needles‘ throughout
the sections. This condition is for knitting
courses with the spacing of stitches uniform
throughout, as for instance, in the welt, leg and
foot portions of the stocking. _
For separating the end sections from the ends
of the ?xed middle section, as shown in Fig. 2, 55
' 2
2,124,067 I
various means may be provided. ‘The one- shown
needles which are to form the heel tabs. The
as an example consists of an eccentric, 16, Figs.
1, 2, 10 and 11 pivotedon a screw TI mounted in
the right hand end section of the needle bar.
fabric is cast off after the required ravel courses
are knit thereon, and finally the heel tabs with
knitting is‘continued. during which the instep
This eccentric bears on the end of a rod 18 slid
their ravel courses are cast o? and the fabric
ably mounted on the needle bar by screws 19 pass
is then ready to be ‘placed on the points of a
ing through elongated openings 80 in the rod into " transfer bar and thereafter upon the needles of
the end sections of the needle bar. An adjust
ment for this connection consists of a screw 82
10. passing through the lug 83 and bearing on one of
' the screw studs 19. a lock nut being provided at 84.
The eccentric may be variously operated auto
matically or manually.
As an example, a man
.uaily operated means has been chosen for this
15 particular disclosure of the invention consisting
of a handle 8| attached to the eccentric. By
turning this handle from the position shown in
Fig. 1 to that shown in Fig. 2, the rod 18 is
pushed by the eccentric leftward, and this move—
20 ment is communicated to the lefthand section
of theneedle bar., The right hand section la
of the needle bar is also free to move and because
the eccentric is mounted directly thereon the
result will be that both end sections aremoved
25 endwise from the ‘middle section until stopped
the footer machine by the use of said transfer bar.
Other processes can be carried out involving
the use of what, conveniently, may be termed an 10
instep transfer bar,.by which the instep loops are
taken oif from the instep needles, and held while
the heel tabs are completed and thereafter, by
means of said instep transfer bar, replaced upon
said instep needles for knitting the foot portion 15
of the fabric on the same machine, only the one
machine being-necessary to do the whole work.
This instep transfer bar forms part of the sub
ject matter of another application for patent ?led
of even date herewith, as does also its combina 20
tion with this needle bar.
In one process, involving the use of said instep I
transfer bar, the heel tabs having the wale of
open work stitches may be spreadoutward or
laterally and their enlarged sinker wale stitches 25
by the screws lie. The needles will 'now be impaled upon the‘ needles of the‘ same machine
related as shown in Fig. 2 with the needles atthe which has formed the leg portion and then the
adjacent ends of the sections of the bar spaced knitting of ‘the foot is proceeded with on the
apart as shown at y a distance greater than the same machine, it being understood that the in
30 ordinary spaces between the needles.
step‘transfer bar which took the instep loops off
With the needle bar sections adjusted as just from the instep needles and held them, has now
described, a line of sinker wale stitches will be restored said loops to the instep needles, this hav
formed longer atithe gaps, or wider spaces 11 ing taken place before the knitting of the foot
between the sections of- the needle row, so that has been started.
35 the heel tabs will have 'a line of enlarged spaces,
It will be noted that the row of needles for 35
or openings, in those wales of the heel tabs which forming the instep fabric extends from and in
are at- or adjacent the inner selvage edges of said "cluding the needle dl to and including the needle
tabs, as shown at y: Fig. 12, which selvage edges d2, on the middle section of the needle bar. _At
are knit on, say, the end pairs of needles of the the ends of this row of instep needles there are
40 middle section of the needle bar, one pair at each other needles on'the middle section, and'two of 40
end of saidmiddle section.
these are shown as an example at each end of the
The clamping screws Id for- the center section middle section. These needles, while mounted on
of the needle bar, aswell as the clamping screw the middle section, belong to those needles which
for the right hand section, which screws draw the knit the heel tabs. By this relation of the needles
45 clamping plate Ic into place to clamp the needles. the sectional b'ar enables therextra wide spaces 1,!2
to the bar, have their heads exposed through open
to be provided in the heel tab fabric at or ad
ings 18a in the rod ‘l8,which openings are larger in jacent the inner selvage edges thereof.
diameter than the bolt heads, so that the rod is
The full complement of needles is always main
free to be adjusted despite that the said heads lie tained in alignment with the needle row, the
in part in said openings.
extra wide spaces between certain of the needles 50
With the invention applied to astocking knit- _ being obtainedby a relative adjustment endwise
ting machine, it is possible to provide in the heel between the sections. Because none. of the nee
tabs of the stocking blank during the knitting dles are moved to a position out of alignment
thereof a line of enlarged openings in a wale of
55 each heel tab, said wale preferably being spaced
apart from the selvage edge of the heel tab with
two ordinary standing wales intervening. These
large openings are due to the spaced apart rela
tion of the needles at the points 1/ where the ad
60 jacent ends of‘the sections lie spaced apart.
The sectional needle bar above described may -
you
be used in carrying out various processes of knit
ting. For instance, when it is desired to provide
in the knitting operation a wale of open work in
each tab to facilitate impaling the leg blank onto
a transfer bar for. transferring to a machine for
interknitting the foot portion of the stocking with
the leg portion, the knitting of the leg would be
with the other needles of the row, the use of oper
ating connections individual to certain of the 55
needles is avoided, which operating connections
would have to be multiplied according to the
number of needles which are to be operated to
and from a position of alignment with the other
needles of the row.
'
-
60
' The sectional bar may be used in carrying out
other processes of knitting a single unit full
fashioned stocking on one machine, and there
fore it will be understood that the invention in
volving the'sectional needle bar is not limited
to any one use thereof.
.
-
By this invention the needles are maintained
in their aligned condition irrespective of whether
carried on with the needle bar in closed condition . or not the extra wide spacing at 1'] exists in the
70 to provide a row of needles equally spaced
throughout. This knitting would be continued to
a point where the knitting of the heel tabs is
about to begin, whereupon the needle bar is ad
justed to its open position of Fig.‘ 2 presenting
75 the extra wide spaces at 1/ between certain of the
.
'
v
70
No individual needle is dropped out nor de
?ected from its prescribed position. No special
means are provided for “holding the needles in
alignment with each other. All sections being
mounted in the rail having the dovetail channel’ 75
needle row.
3
2,124,067
will be maintained in accurate alignment under
all circumstances. vThe dovetail channel in the
supporting rail may be lined with any suitable
wear piece. -
It will be seen that the rail ‘H which serves as
carrier for the sections I, la holding the needles
is integral from end to end. Its middle portion
i. e. that portion which corresponds in length to
the middleysection' l of the needle bed has said
middle section rigidly attached thereto against
any relative movement between said middle sec
tion and the rail. The portions of the rail lying
at either end of the rail may be termed the end
portions of said rail. They form integral exten
15 sions of the rail’s middle portion and they serve
asguides as well as supports for the end sections
Ia of the needle bed.
I claim:
-
1. A needle bar for full fashioned knitting ma
V20 chines comprising a carrier rail made up of a
middle portion and end portions integrally con
nected with the middle portion and in lengthwise
alignment therewith, a section rigidly secured to
the rail’s middle portion against movement rela
25 tive thereto, a section mounted on each of the
integrally connected end portions of the rail and
slidably only endwise for adjustment to and from
the middle section while in constant alignment
therewith, needles carried by the sections and
means for operating the end sections for adjust
ing them.
2. A needle bar according to claim 1 in which
the operating means for the end sections com
prises a bar and an initial operating element for
said bar mounted on one of the sections, and a
connection operated by said element, which by
one action moves both of the end sections away
from the middle section.
'
3. A needle bar according to claim 1 in which
40 spring means holds the needle bar sections closed
against each other, and initial operating means
mounted on one of the sections, with a connec
tion operated thereby for separating the sections
against the pressure of the spring means.
4. A needle bar for ?at full fashioned knitting
machines having a middle section and a section
at each end of the middle section movable to
and from the middle section, each section having
its complement of needles to make up the needle
row, and means for moving the end sections end
wise relative to the middle section, said means
comprising an initial operating element for
manual manipulation mounted on one of the end
sections, a connection from said element to the
other end section, and stops for limiting the out
ward movement of the end sections, substantially 10
as described.
_
5. A needle bar according to claim 4 in which
the operating means consists of an eccentric
mounted on one end section, and a connection
operated by and extending from the eccentric to
the other section, substantially as described.
6. The hereindescribed process of knitting with
a sectional needle bar consisting in knitting the
leg portion of the stocking with the sections
closed, that is, with the end sections closed
against the middle section to provide equal spac
ing between the needles throughout the needle
row, then separating the sections so that the
spaces between the needles at the adjacent ends
of the sections will be enlarged for making a
Wale of enlarged sinker loops adjacent the inner
selvage edges of the heel 'tabs, substantially as
described.
'7. A process according to claim 6 in which the
inner selvage portions of the heel tabs are formed
by needles at the ends of the middle section of
the needle bar.
8. The hereindescribed process of knitting with
a sectional needle bar, consisting in knitting a
portion of the fabric with the sections closed, to
provide equal spacing between the needles
throughout the needle row, then separating the
sections so that the spaces between the needles at
the adjacent ends of the sections will be enlarged,
and then knitting to thereby make wales of en 40
larged sinker loops, substantially as described. -
9. A method according to claim 8 in which all
sections of the needle bar are held in lengthwise
alignment under all conditions, substantially as
described.
'
'
KENNETH HOWIE.
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