Year: 1887

page_text: Date of Application, 24th Sept., 1887
Complete Specification Left, 25th June, 1888
Complete Specification Accepted, 3rd Aug., 1888
We, JOHN KITSON, CHARLES ARTHUR KITSON, FREDERICK KITSON, and HERBERT
KITSON, of the Firm of J. Kitson and Sons, of Holdsworth Street, Bradford, in the
County of York, Reed and Heald Machinery Makers do hereby declare the nature of
this invention to be as follows:-
This invention relates to improvements in machinery for knitting single knot
noose healds employed in looms for weaving and its object is to simplify the
mechanism which reciprocates the noose maker, and also to provide an improved
arrangement for actuating the forks carrying the heald yarn from the noose or
centre to the ridge band.
Hitherto the said noose maker has been usually reciprocated, or alternately
rotated in opposite directions, by means of an arrangement of bevel gear connected
to an adjacent shaft which arrangement besides being complicated was liable to allow
an inconvenient amount of backlash. And the said forks have been mounted on
vibrating arms which owing to the vertical motion it is necessary they should have has
hitherto caused the vibration mechanism to also be complicated and has occasioned a
difficulty in adjusting the extent of vibration imparted to the said forks.
Our improvements consist in mounting a toothed wheel on the noose maker spindle
adapted to engage with the teeth of a curved rack or segment of a wheel formed on
the end of a horizontal arm pivoted or hinged to the frame of the machine or an
attachment thereto. The said arm is jointed to a horizontal rod mounted in suitable
guides formed in or attached to the framework of the machine and such rod is pro-
vided with a projection preferably carrying an antifriction roller which runs in the
race or groove of a cam mounted on a convenient shaft, thus such cam imparts a
horizontal motion to the said rod which is communicated to the said rack engaging
with the toothed wheel on the noose maker spindle and it is thereby reciprocated.
Our said improvements further consist in employing saddles to carry the said forks
and mounting such saddles on a suitable horizontal slide. Such slide is secured to

page_text: arms pivoted or hinged to the framework of the machine and has an up and down
motion imparted to it by a cam or cams on an adjacent shaft. The said saddles are
made to traverse from the centre towards the side of the machine and back by means
of vibrating arms the top of which reach between and engage with vertical ribs formed
on such saddles. The said vertical arms are mounted by their lower ends on rocking
shafts which rocking shafts are provided with levers at their opposite ends attached by
connecting rods to the adjustable pin of a crank disc secured on a suitable shaft, thus
at each revolution of the said disc the arms operating the said saddles are actuated
and the necessary motion imparted to the forks passing the heald thread from the
noose to the ridge band. The extent of such motion may be regulated by adjusting
the throw of the crank pin in the said disc.
Dated this 23rd day of September 1887.
DRACUP & NOWELL,
Bradford, Agents.

page_text: Improvements in Machinery for Knitting Single Knot Noose Healds
for Looms.
We, JOHN KITSON, CHARLES ARTHUR KITSON, FREDERICK KITSON, and HERBERT
KITSON, of the Firm of J. Kitson and Sons of Holdsworth Street, Bradford in the
County of York, Reed and Heald Machinery Makers, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
This invention relates to improvements in machinery for knitting single knot
noose healds employed in looms for weaving, and its object is to simplify the
mechanism which reciprocates the noose maker and also to provide an improved
arrangement for actuating the forks carrying the heald yarn from the noose or centre
to the ridge band.
For the purpose of fully describing our invention reference is to be had to the
accompanying drawing forming a part of this specification in which similar letters of
reference indicate corresponding parts in all the figures.
Figure 1, is a plan view of such parts of a single knot noose heald machine as
are necessary to illustrate our improvements, the vibrating bracket in which the
noose maker spindle is mounted being shown in section. Figure 2, is a section on
the broken line ab of the former figure with the lower part of the frame and attach-
ments thereto broken away. Figure 3, is an end view illustrating the improved
arrangement for actuating the said forks carrying the heald thread from the noose
to the ridge band. And figure 4, is a view of a detail hereinafter referred to.
Hitherto the said noose maker has been usually reciprocated or alternately rotated
in opposite directions by means of an arrangement of bevel gear connected to an
adjacent shaft, which arrangement besides being complicated was liable to allow
an inconvenient amount of backlash. And the said forks have been mounted upon
vibrating arms which owing to the vertical motion it is necessary they should have
has hitherto caused the vibrating mechanism to also be complicated and has occasioned
a difficulty in adjusting the extent of the vibration imparted to the said forks.
Our improvements consist in mounting a toothed wheel A upon the noose maker
spindle B adapted to engage with the teeth of a curved rack or segment formed on
the end of a horizontal arm D pivoted to the bracket E fixed to the side frame F. A
connecting rod G having a slide piece Hat one end fitting the socket J fixed to the
end frame F is coupled at the other end to the arm D, and such rod is provided with
an anti-friction roller K which runs in the race or groove L of a cam M mounted
upon the shaft N.
The various parts of the above described mechanism are so relatively arranged that
the rotation of the cam M. imparts a reciprocating motion to the rod G through the
medium of the said anti-friction roller, which motion is communicated to the rack C
engaging the pinion A thereby alternately rotating the spindle B in reverse
directions.

page_text: Our improvements further consist in employing saddles O to carry the above men-
tioned forks P and such saddles are mounted upon a suitable horizontal slide Q. Such
slide is provided at each end with an attachment R having projecting pins S upon
which the inner ends of the arms or links T are pivoted and the opposite ends of such
arms or links are pivoted by the pins U projecting from the small brackets V secured
to the side frames F. The attachments R are also provided with anti-friction rollers W
which rest upon cams A¹ fixed upon the shaft B, thus such cams impart an up and
down motion to the said slide at each revolution. One of the attachments R is
separately shown in figure 4 fixed to a section of the slide Q and baving the arms or
links T in position.
The saddles O are made to traverse from the centre to the sides of the machine and
back by means of vibrating arms C₁, at the tops of which anti-friction rollers D₁ are
mounted which engage with vertical ribs E, E formed on the saddles O. The
arms Care fixed by their lower ends to rocking shafts F2 mounted in bearings G¹
formed in the bottom end rail F and such rocking shafts are provided with levers H¹
at their opposite ends attached by connecting rods J¹ to the adjustable pin K' of the
crank disc L' mounted on the shaft M' which is connected by bevel gear to the
shaft B¹.
It will thus be seen that at each revolution of the disc L' the arms ci are vibrated
through the medium of the rods J' and rocking shafts F2, thereby traversing the
saddles O from the centre to the sides of the machine and impart the necessary motion
to the forks P passing the heald thread from the noose to the ridge bands.
In order to enable healds of different depths to be knitted the distance the said
saddles traverse may be regulated by adjusting the throw of the disc pin K¹ which for
this purpose is mounted upon a slide piece P₁ fitted in the face of the said disc and
provided with a screw Q to adjust it longitudinally and a set screw R' to fix it.
To enable the relative position of the levers and the arms C² to be readily adjusted
the said levers are loosely mounted upon their shafts and are fixed to short arms S¹, per-
manently secured to such shafts, by means of the bolts T' passing through such levers
and the curved slots U in the arms S¹.
The shafts N and B are connected preferably by ordinary toothed wheels and are
driven in any convenient manner.
Having now particularly described and ascertained the nature of our said Inven-
tion, and in what manner the same is to be performed, we declaro what we
claim is:
1. The general construction and arrangement of mechanism for alternately rotating
the noose maker spindle, consisting of a rack or toothed segment reciprocated by a
cam or its equivalent and adapted to engage a pinion on the noose maker spindle
substantially as herein shown and described.
2. In a single knot noose heald knitting machine, mounting the forks, which carry
the yarn from the noose to the spindle, on reciprocating saddles adapted to traverse a
suitable slide, substantially as herein shown and described.
3. In a single knot noose heald knitting machine, the combination with the saddles 0,
of the vibrating arms C, the rocking shafts F2, the levers H', and the crank disc L'
having an adjustable crank pin K', substantially as herein shown and described and
for the purpose specified.
1000