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Патент USA US3054291

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United States Patent 0
1
3,054,279
Herman E. Crawford, Kernersville, N.C., assignor to The
H. E. Crawford (Iornpany, Incorporated, Kernersville,
Filed Oct. 7, H53, vSer. No. 765,793
4 Claims. (Cl. 66-48)
3,654,279
Patented Sept. 18, 1962
2
HEEL STRUQTIEE FOR HOSIERY
N.C., a corporation of North Carolina
cc
ter 1, round and round knitting then again being re
sumed until the toe is reached at which time the machine
again shifts to reciprocating motion to knit the toe pock
et indicated generally at 2.
In accordance with the preferred embodiment of the
instant invention the heel pocket comprises a plurality of
sections or :gussets 3, 4 and 5 de?ned in part by three
suture lines b—c, e'——-f, and g—-f—c on opposite sides
The instant invention relates to improved methods of
of the heel pocket. It will be appreciated that in FIG. 1
knitting hosiery in a circular knitting machine and to the 10 only one side of the stocking, which is in ?attened condi
hosiery so produced, and more particularly concerns the
tion, is shown and that the identical construction will be
formation of an improved heel pocket for such hosiery.
on the opposite side.
In the conventional knitting of stockings of the type
Each of the sections 3, 4 and 5 of the heel pocket are,
referred to the leg is knit suitably by circular or round and
in accordance ‘with the instant invention, formed solely
round knitting until the heel portion is reached. At this 15 by a Widening operation as will now be described. While
point approximately one-half the circle of needles, namely
the stocking may be produced on conventional single feed
those needles knitting the front portion of the stocking and
circular knitting machines, to attain the primary object
commonly referred to as the instep needles, are inactivated
of the invention, additional objects and advantages result
and the machine is clutched into reciprocatory motion.
from the use of a multi-feed machine having the ability
The inactive needles retain their loops and knitting pro 20 to widen at each feed such as the machine illustrated in
ceeds on the active or heel needles with terminal needles
being rendered inactive during successive strokes of recip
rocation until the desired minimum number of needles
are in action to form a narrowed gusset, the inactivated
my co-pending application Serial No. 586,587, ?led May
22, 1956, now Patent No. 2,861,440, issued November
25, 1958. Consequently the operation and the method
of my invention will be described in conjunction with the
needles retaining their loops. Thereafter a widening oper 25 machine of said application to which reference may be
tion is performed with the previously inactivated needles
made. The machine of said application is a multi-feed
being restored to action in successive ‘courses of knitting
machine constructed to knit two courses of loops on each
until a ‘widened gusset is produced suture joined to the
rotation of the needle cylinder during round and round
narrowed gusset. All the needles are then activated and
knitting and to also knit two courses of loops upon each
knitting proceeds as customary on the full circle of needles 30 stroke of the needle cylinder during reciprocating knitting.
in circular motion.
A primary object of the instant invention is provision
As fully pointed out in the disclosure of said application
provision is made in said machine whereby each course
of an improved method of knitting a heel pocket wherein
knitted by reciprocation may be widened or narrowed. In
the narrowing operation is eliminated and the heel pocket
accordance with the instant invention only the widening
is produced by a series of widening operations whereby a 35 operation for each course is employed.
heel construction having a greater fullness is produced
with improved ?tting and wear characteristics.
Another object of the invention is the provision of a
‘In producing the stocking of FIG. 1 the leg is knit in
the usual manner by round and round knitting as previ
ously pointed out but preferably with both feeds in oper
method as described above and the product thereof where
ation to produce two courses upon each rotation of the
40
in multi-feed knitting is employed throughout the forma
needle cylinder until the course a——b—c—d is reached.
tion of the heel pocket.
At that time a group of needles, represented in FIG. 1
My invention will be more fully understood and fur
by the needle wales between b and d and between d and
ther objects thereof will become apparent when reference
b on the opposite side of the stockings, are rendered in
is made to the more detailed description thereof which is
active by the needle selecting means in the manner de
to follow and the accompanying drawings in which:
45 scribed in my said co-pending application.
Referring to
FIG. 2 which diagrammatically illustrates the circle of
needles of the machine the inactivated group of needles
corporating the structural features thereof;
is shown as extending from the point 6 to the point 7 read
FIG. 2 is a diagrammatic view illustrating certain steps
ing in a clockwise direction, as indicated by the legend.
in the method of the instant invention; and
50 The remaining needles between the point 7' and the point
FIG. 3 is a fragmentary View similar to the heel portion
6 again reading in a clockwise direction are the needles
of the stocking shown in FIG. 1 and illustrating a modi
allowed to remain in action, also as indicated by the
?cation of the invention.
legend. As illustrated a substantially greater number
Referring now to the drawings and more particularly
than one-half of the needles are so inactivated, the group
to FIGS. 1 and Z the heel pocket in accordance with the 55 suitably constituting about seventy-?ve percent of the
instant invention is illustrated as embodied in a stocking
needles or 300‘ needles of the usual 400‘ needles of Women’s
such as a woman’s full length stocking where it ?nds a
hosiery machines. It will be recognized however that
particular ?eld of use. It will be understood however
the particular proportion of the needles inactivated may be
that the construction may also be employed in half hose
varied depending upon the style of heel desired.
or socks if so desired.
60
The machine'is then clutched into reciprocating mo
FIGURE 1 is a side elevational view of a stocking
made 'with the method of the instant invention and in
In the conventional knitting of hosiery, particularly
women’s hosiery, circular or round and round knitting is
employed to produce a tube, such knitting continuing un
til a course is reached designated in FIG. 1 as course
a—b——c—d. At this point the machine shifts from ro
tary to reciprocating knitting for the formation of the
heel pocket illustrated generally by the reference charac
tion and successive courses are knit one at each feed with
a widening operation in each course. The ?rst stroke
of reciprocating knitting takes place in a reverse or clock
wise direction of the needle cylinder .and, as described in
65 my said co-pending application, when the needles ap
proach each feeding station the leading needle of the
active group will be raised to inactive position to join
3,054,279
the inactive group and two leading needles of the inactive
group of needles will be lowered to active position to
join the active group at the trailing end of the latter
whereby each course is increased to the extent of a
4
the formation of the heel pocket with two feed reciprocat
ing operation without the formation of unsightly en
larged openings along the suture lines.
Having thus described my invention in rather full dc
tail it will be understood that these details need not be
needle loop. This operation is repeated in succeeding
strictly adhered to but that various changes and modi
strokes of reciprocation in both directions until the
?cations may be made all Within the scope of the inven
needles between the points 6 and 8 at one side of the
tion as de?ned by the following claims.
cylinder, and the needles between the points 7 and 9 at
I claim:
the other side (FIG. 2) have been shifted from the in
1. A method of knitting a stocking heel pocket on a
active group to the active group of needles. At this 10
multifeed circular knitting machine comprising deactivat
point suitably one-half of the total number of needles
ing a group of needles of a circle of needles of said ma
have been activated and the fabric section 3 has been
chine, reciprocatorily knitting courses of loops at each
knit, the fabric section 3 being de?ned in part by the
feed on the active needles and gradually increasing the
suture lines b—c on opposite sides of the stocking to
number thereof from course to course by reactivating
complete the ?rst of the widening operations.
needles of said inactive group during the knitting of each
At this point all of the needles which have been re
course, thereafter simultaneously deactivating said reacti
activated in the above described widening operation are
vated needles and again knitting courses of loops on the
again abruptly de-activated by the selecting means and
active needles at each feed and gradually increasing the
only the needles between points 7 and 6 remain in action.
number thereof from course to course by reactivating
Reciprocating knitting is then resumed with a single
needles of said inactive group during the knitting of
needle widening in each course in the manner previously
each course.
explained until the needles between points 6 and 10 and
2. A method of knitting a stocking heel pocket on a
between points 7 and 11 have been added at opposite ends
multifeed circular knitting machine comprising deactivat
of the active group of needles whereby the fabric section
ing a group of needles of the circle of needles of said ma
4 is formed, de?ned in part by the suture lines e-f on
chine said group being greater in number than one-half
opposite sides of the heel. As illustrated in FIGS. 1 and
the total number of needles, reciprocatorily knitting
2 the number of needles re-activated during this second
courses of loops at each feed on the active needles and
gradually increasing the number thereof from course to
the ?rst widening operation. Preferably approximately 30 course by reactivating successive needles of said inactive
group during the knitting of each course until substan
one-half of the number of such deactivated needles were
tially one-half of the needles of said machine are active,
returned to active positions whereby the suture lines
widening operation is substantially less than the number
of needles which were moved to inactive position after
e--)‘ are approximately one-half the length of the suture
thereafter simultaneously deactivating said reactivated
lines b—c.
At this point the groups of needles between points 6
and 10 and points 7 and 11 are again simultaneously de
active needles and gradually increasing the number thereof
of the needles re-activated during the knitting of gore 13
thereafter simultaneously deactivating all of said second
mentioned reactivated needles and again knitting courses
needles, knitting courses of loops at each feed on the
from course to course by reactivating successive needles
of
said inactive group during the knitting of each course
activated by the selecting means of the machine and re
until substantially one-half of the needles are active, and
ciprocating knitting is resumed on the active needles with
thereafter activating all of the needles and knitting in cir
single needle widening taking place at each feed station
in each stroke of reciprocation as before until the needles 40 cular motion.
3. A method of knitting a stocking including a heel
between points 6 and 8 and 7 and 9 are again added to
pocket on a multifeed circular knitting machine compris
the active group and are in operation to produce the
ing deactivating a group of the needles of the circle of
fabric section 5 de?ned in part by the suture lines g—f—c
needles of said machine, the number of needles in said
on opposite sides of the stocking heel to complete the
group being greater than one-half the total number of
third widening operation. Thereafter all of the needles
needles, reciprocatorily knitting courses of loops at each
are activated and the machine shifts to rotary knitting
feed on the active needles and gradually increasing the
for the production of the foot.
number thereof from course to course by reactivating suc
As illustrated in FIG. 1 the toe pocket 2 may be simi
cessive needles of said inactive group during the knit
larly knitted solely by a series of widening operations as
ting of each course until substantially one-half of the
de?ned by the suture line 15, if desired, however conven
needles of the machine are active, thereafter simultane
tional toe pocket constructions may be employed in
ously deactivating all of said reactivated needles, knit
stead.
ting courses of loops at each feed on the active needles
Referring now to FIG. 3 a modi?ed construction of the
and gradually increasing the number thereof from course
heel pocket is illustrated. Here again the heel pocket is
knitted entirely by widening operations, the gore 13 de 55 to course by reactivating successive needles of said in
active group during the knitting of each course until a
?ned in part by the suture line h——-i on opposite sides of
substantial
proportion but substantially less than all of
the stocking being formed in the identical manner as the
said second mentioned deactivated needles are active,
gore 3 of FIG. 1. When the gore 13 is completed all
are simultaneously thrown out of action and a second
of loops at each feed on the active needles and gradually
widening operation is then performed in a manner identi
increasing the number thereof by reactivating successive
cal with the third widening operation in the embodiment
needles of the inactive group until substantially one-half
of FIG. 1 to produce gore 14 de?ned in part by suture
of the needles are active, and thereafter activating all of
lines i-—]'. The heel is then complete and all of the
needles are again placed in action and round and round 65 the needles and knitting in circular motion.
4. A method of knitting a stocking comprising a heel
knitting resumed for the formation of the foot. Thus
pocket on a multi-feed circular knitting machine compris
this embodiment dilfers from that of FIG. 1 only in that
ing deactivating a group of needles of the circle of needles
the intermediate widening operation whereby the sections
of said machine, reciprocatorily knitting courses of loops
4 de?ned by suture lines 12-)‘, which are produced by
at each feed in each reciprocation on the active needles
groups of needles between points '6 and 10 and points 7
and increasing the number thereof from course to course
and 11, are eliminated and that only two sections or
by
reactivating needles of said inactive group during the
gussets 13 and 14 are obtained.
knitting of each course until substantially one-half the
The methods of forming heel pockets as described
needles of said machine are active, thereafter simultane
above produce constructions with a greater fullness than
conventional methods. Furthermore the methods permit 75 ously deactivating all of said reactivated needles, re
5
3,054,279
ciprocatorily knitting courses of loops at each feed in
each reciprocation on the active needles and increasing
the number thereof from course to course by reactivat
References Cited in the ?le of this patent
UNITED STATES PATENTS
ing needles of said inactive group during the knitting of
1,216,374
each course until substantially one-half of said second
mentioned deactivated needles are active, thereafter si
1,798,804
1,872,964
1,928,072
2,357,630’
2,388,649
10 2,440,280
multaneously deactivating said second mentioned reacti
vated needles and again knitting courses of loops at each
feed in each reciprocation on the active needles increasing
the number thereof from course to course by reactivating
needles of said inactive group during the knitting of each
course until substantially one-half of the needles are in
2,65 8,3 65
2,861,440
action, and thereafter activating all of the needles and
knitting in circular motion.
Smith ________________ __ Feb. 20, 1917
Parker _______________ __ Mar. 31, 1931
Katzenmoyer __________ __ Aug. 23,
Parkinson ____________ __ Sept. 26,
Cole _________________ __ Sept. 5,
Sheppard _______________ __ Nov. 6,
Lawson ______________ __ Apr. 27,
Lawson _______________ __ Nov. 10,
1932
1933
1944
1945
1948
1953
Crawford ____________ __ Nov. 25, 1958
FOREIGN PATENTS
5 0,206
Switzerland ___________ __ Nov. 11, 1909
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