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Патент USA US3019510

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Feb. 6, 1962
B. G. DUFFIN ETAL
3,019,500
KEEPS FOR KNITTING NEEDLES OR OTHER ROD-LIKE ARTICLES
Filed Nov. 24, 1958
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Patented Feb. 6, 1962
1
2
3,019,500
remove it from the keep can be made more nearly con
stant over a range of sizes of knitting needles or articles
used with a keep of common dimensions than would be
Bernard George Dsthn, Headless Cross, Redditch, and
Norman Thomas Sanders, Mappleborough Green,
Studley, England, assignors to Needle Industries Lim
the cases were the needles or articles to be inserted
ited, Warwick, England, a British company
Nov. 24, 1958, Ser. No. 775,845
tllaims priority, application Great Britain Dec. 3, 1957
not be too great otherwise they may be bent or broken
and the use of channels with walls formed of elastically
Klllll’d FOR KNITTENG NEEDLES OR OTHER
RGBMLEKE ARTIQLES
2 (Ilaims. (Cl. ZIP-81)
through bores. It is important that the forces exerted
during insertion and removal of a knitting needle shall
eformable material and which increases in thickness in
10 a direction towards the mouth of the channel permits a
This invention relates to rod-like articles which are
required to be kept in pairs or sets. The invention is
applicable primarily to knitting needles which as is well
known are normally kept in pairs for sale or use.
Devices herein referred to as keeps have hitherto been 15
provided for temporarily securing together knitting
needles in pairs but these known keeps do not possess
the combination of characteristics which are necessary or
desirable for the reasons more fully pointed out herein.
keep to be made which will exercise the proper degree of
restraint upon removal of a knitting needle or article,
notwithstanding variations in cross sectional dimensions
of the knitting needles over a range of sizes.
The side walls of each channel-forming portion when
so formed as to provide for a reduction in resistance to
insertion of a knitting needle or rod-like article at or near
one or both ends of the channel as compared with that
offered by the side walls in the central region of the length
Firstly, it is necessary that a keep utilised for knit 20 of the channel.
ting needles should provide sut?cient resistance to dis
Thus, the mouth of the channel afforded by each chan
placement of individual needles from the keep to ensure
nel-forming portion is wider at one or both ends than it
that the needles of a pair or set are securely retained in
is at a position centrally of the length of the channel.
assembled relation with each other.
One or both of the opposed side walls of each channel~
Secondly, the keep should be capable of being manu 25 forming portion may incorporate at the mouth of the
factured at a cost which is small in relation to that of the
channel a laterally inwardly projecting lip or rib. Each
knitting needles. Thirdly, the keep should preferably be
lip or rib may be of generally triangular shape in cross
such that after removal of the knitting needles therefrom
section, its base being integrally connected with the re
they can be re-assembled in the keep after use whereby
maining portion of the associated side wall and its apices
the purchaser is enabled to keep them in pairs or sets 30 situated within the channel, the inner and outer side faces
throughout the life of the knitting needles. Fourthly, a
of the lip or rib making acute included angles with the
keep of common design and dimensions should desirably
base of the rib. Preferably each lip or rib is of reducing
be capable of being used in conjunction with pairs or sets
cross sectional area from its central region towards one
of knitting needles selected from a range of two or three
or both ends.
consecutive sizes at least, thereby avoiding the necessity 35
The invention is illustrated in the accompanying draw
ings wherein:
for providing differently dimensioned keeps for different
sizes of knitting needles. The term size refers to the
FIGURE 1 is a view in side elevation of a pair of
diameter of the shank of the knitting needle concerned.
knitting needles retained in assembled relation with each
Fifthly, assembly and disassembly of the knitting nee
other by means of one form of keep in accordance with
dles from the keep should not be attended by any damage 40 the invention.
to the suriace of‘the knitting needles because any scratch
ing or roughening of such surface is detrimental to the
FIGURE 2 is a view in end elevation on an enlarged
scale showing the keep.
performance of knitting operations.
FIGURE 3 is a view of the keep in side elevation and in
The object of the present invention is to provide a keep
cross section on the line 3-3 of FIGURE 2.
which more nearly meets these characteristics than those 45
FIGURE 4 is a view or" the keep in end elevation and
hitherto provided.
According to the invention a keep for knitting needles
or other rod-like articles of the kind speci?ed comprises
a body formed of an elastically deformable plastic mate
rial and including a plurality of channel forming portions
of substantially greater length than depth each having
opposed side walls and a mouth, a core portion common
to each of said channel forming portions and integrally
in cross section on the line 4-4- of FIGURE 3.
FIGURE 5 is a top plan view of the keep, and
FIGURE 6 is a perspective View of the keep.
The keep illustrated in the drawings is intended for use
as illustrated in FIGURE 1 for retaining a pair of knitting
needles 10 in assembled relation.
The keep may be made in one piece from a non
connected with said side walls thereof to form a bottom
scratching resiliently deformable material, preferably a
the knitting needles or rod-like articles and by the use of
walls de?ne channels 16 which are open at both ends
elastically deformable material for the side walls of the
channels, the magnitude of the force which has to be
executed to insert the knitting needle into the keep or
and which have a depth somewhat exceeding the diameter
of the largest diameter knitting needle required to be
used in the keep.
wall to each channel, said side walls being thinner than 55 plastics material such as polythene or polyvinyl chloride.
The keep comprises a body 11 which includes two
said core portion in the region in which they are connected
channel-forming portions 12 each having side walls 13
thereto and each increasing in thickness towards its mouth
to an extent which increases continuously from opposite
and bottom walls constituted by the upper and lower
ends of said side walls to the central region of its length.
halves of a common connecting or core portion 15.
By forming the keep with channels for the reception of 60 The side walls 13 in combination with the bottom
3,019,500
ll
The inner part of each channel may be of rectangular
shape in cross section as seen in FlGURES 2 and 4.
Each channel 16 is of reduced width in the region of
its mouth 17 so as to be of undercut shape in cross
section as a whole, this being achieved partly by virtue
of the knitting needles. For a keep designed for use
with three sizes (diameters) of knitting needle ranging
from 9 to 11 S.W.G. (0.144~ to 0.116 inch) the side walls
13 of each channel-forming portion when made of the re
siliently deformable plastics materials mentioned may
have an average thickness of about 1 mm. excluding the
of the fact that the side walls 13 curve inwardly to
ribs 18, and the core or connecting portion 15 may have
wards each other adjacent to the mouths 17 of the chan
an overall thickness of about 2 mm.
nels and partly by incorporation as part of the side walls
Various modi?cations may be made in the construction
13 of ribs 18.
The ribs 18 are of triangular shape in cross section the 10 speci?cally described and illustrated to render the keep
suitable for other applications. Each keep may incorpo
bases of these ribs being integrally united with the re
rate with more than two channel-forming portions.
maining portions of their associated side walls and their
In this case the channel-forming portions may be in
inner and outer side faces making acute angles with the
tegrally connected with each other through the inter
bases of the ribs (approximately 60°).
Thus, the outer faces 2d‘ of the ribs are divergent from 15 mediary of their bottom walls which collectively form a
core portion from which the channel-forming portions
each other in a direction outwardly from the bottom
then radiate, the mouths of the channels being presente
Wall of each channel formed by the core portion 15 and
radially outwardly. This construction would be suitable
the faces 19 are convergent in this direction so that
for use where it is desired to retain in assembled relation
they are engaged with the circumferential face of a knit
sets of articles each set containing more than two articles.
ting pin when disposed in the channel and tend to exert
In all these constructions the side walls of each channel
pressure urging the knitting needle against the bottom
forming portion are preferably individual to that portion
wall.
so that their lateral displacement produced by the inser
Each of the ribs 18 is of greatest cross sectional area
tion of an article into the channel thus formed is not de
in the central region of its length and is reduced in cross
sectional area (while remaining of the same or approxi~ 25 pendent upon the presence or absence of ‘an article in an
adjoining channel such as would be the case were a given
mately the same cross sectional shape) towards its ends
side wall to be common to two adjacent channels, al
so that, as seen particularly in FIGURE 5, the ridges
though this arrangement may be adopted in some con
or apices are disposed within the channels and are con
structions such as those incorporating more than two
vexly bowed, and the gap or space between adjacent
apices of the ribs 18‘ has a minimum value at 21 in the 30 channel-forming portions.
What we claim then is:
center of the length of the mouth of each channel and a
maximum value at 22 at each end of the mouth. At the
1. A keep for a set of rod-like articles comprising a
position indicated at 22 the cross sectional area of each
rib 18 may reduce to Zero or a very small value so that
body formed of an elastically deformable plastic mate~
rial and including a plurality of channel forming portions
at these positions the channels 16 are of substantially
of substantially greater length than depth each having
rectangular form except for a slight incurving of the side
opposed side Walls and a mouth, a core portion common
Walls 13.
to each of said channel forming portions and integrally
This permits the shank of a needle 16 to be easily intro
duced laterally through the mouth of the channel into the
channel without undue resistance, the axis or centreline
wall to each channel, and each pair of opposed side walls
incorporating at the mouth of the channel de?ned there
of the shank of the knitting needle being initially inclined
connected with said side walls thereof to form a bottom
by respective integral ribs of generally triangular shape
to the bottom wall of the channel, so that ?rstly it is
in cross-section in a plane perpendicular to the length of
pressed into the channel locally at one end thereof and is
the channel the bases of said ribs being integrally united
then brought into parallel relation with the channel so
with the remaining portions of their respectively associat
that the side walls are moved apart progressively along 45 ed side walls, said ribs having inner and outer side faces
the channel from the end at which the needle is ?rst in
which mutually convergent and divergent in a direction
serted towards the opposite end.
from the central region of the channel to the ends of
In this way the force required to insert the needle is
the channel, the inner and outer side faces of each said
maintained at a satisfactorily low value which will not
rib meeting at a ridge which is situated in the channel
bend or otherwise damage the needle, while after insertion
and is convexly bowed lengthwise or" the channel, the
the inward pressure exerted by the side walls 13 is su?‘icient
ridges of each pair of associated ribs having their min
to retain the needle securely against unintentional lateral
withdrawal or endwise withdrawal.
In general the operation of inserting the needle into the
channel will be performed laterally through the mouth
of the channel since this is somewhat easier and calls for
less skill on the part of the user than inserting it endwise
imum separation in the central region of the length of
the channel.
2. A keep for a set of rod-like articles comprising a
body formed or" elastically deformable plastic material
and including ‘a plurality of channel forming portions of
substantially greater length than depth each having op-
into the channel, but intentional withdrawal of the needle
posed side walls and a mouth, a core portion common
can easily be performed by endwise sliding movement of
60 to each of said channel forming portions and integrally
the needle.
connected with said side walls thereof to form a bottom
Preferably as illustrated the rib occupies approximately
half the depth of the channel in the center of the length
wall to each channel, and each pair of opposed side walls
thereof.
incorporating at the mouth of the channel de?ned there
Preferably also the length of each channel is substan
by respective integral ribs of generally triangular shape
tially greater than its depth. In the illustrated embodi 65 in cross-section in a plane perpendicular to the length
ment the ratio of length to depth is of the order of 8:1,
of the channel, the bases of said ribs being integrally
but this may be reduced or increased as necessary or de
united with the remaining portions of their respectively
sirable for particular applications. It is believed, how
associated side walls, said ribs having inner and outer
ever, that when utilizing the resiliently deformable plas
tics materials referred to it is desirable that the length 70 side faces which are each divergent in a direction from
the central region of the channel to the ends of the
should be at least four times greater than the depth in
channel, the inner and outer side faces of each said rib
‘order to provide the requisite security or retention of the
meeting at a ridge which is situated in the channel and
needles or other rod-like articles in the channels.
is convexly bowed lengthwise of the channel in a direc
A keep for knitting needles as described and illustrated
is normally suitable for use with three consecutive sizes 75 tion towards the core portion, the ridges of each pair of
3,019,500
5
associated ribs having their minimum separation in the
central region of the length of the channel.
References Cited in the ?le of this patent
UNITED STATES PATENTS
127,751
1,277,732
1,344,821
2,109,517
2,292,140
Emerson ____________ __ June 11, 1872
Knapp ______________ _- Sept. 3, 1918
Rhodes ____________ __ June 29, 1920
Xenis ______________ __ Mar. 1, 1938 10
Lofgren _____________ __ Aug. 4, 1942
6
2,388,297
2,519,987
Slaughter ____________ __ Nov. 6, 1945
Wernette ____________ __ Aug. 22, 1950
23,837
22,195
217,059
625,164
627,975
688,260
703,569
Great Britain ______________ __ of 1901
Great Britain ______________ __ of 1914
FOREIGN PATENTS
Great Britain ________ __ June 12, 1924
Great Britain ________ __ June 23, 1949
Great Britain ________ __ Aug. 19, 1949
Great Britain ________ __ Mar. 4, 1953
Great Britain _________ __ Feb. 3, 1954
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