IMPROVEMENTS IN KNITTING-MACHINES
Year: 1881

page_text: LETTERS PATENT to Herbert John Haddan, of Kensington, Middlesex, for an
Invention of "IMPROVEMENTS IN KNITTING-MACHINES." A communication
from abroad by the Universal Knitting Machine Company of Ontario,
Limited, of Toronto, Province of Ontario, Canada.
COMPLETE SPECIFICATION filed by the said Herbert John Haddan at the
Office of the Commissioners of Patents on the 7th October 1881.
HERBERT JOHN HADDAN, of Kensington, Middlesex. "IMPROVEMENTS IN
KNITTING MACHINES." A communication from abroad by "The Universal Knitting
Machine Company of Ontario, Limited," of Toronto, Province of Ontario, Canada.
This Invention has relation to improvements in vertical cylindrical knitting
machines constructed with a ribbing attachment, which consists of a stationary
cone shaped needle dial or cylinder, supported centrally above the machine
cylinder. In connection with this dial a revolving coned shaped cam cylinder is
used, which communicates to the ribbing needles an outward and downward
movement, which is timed to correspond with the action of the needles of the
vertical cylinder, as hereinafter more particularly described. 'The Invention
comprises improvements on a number of important parts of the machine.
First. In an improved excentric parallel motion or regulator for regulating the
stitch, the advantage of which is to make the length of stitch in each side of the
centre a positive motion by one movement in connection with excentric cams
hereinafter described.
Second. In an improved automatic reversible sliding cam for opening and
closing the raceway of the needles in the centro throat of said raceway.
Third. In a latch for securing the gate in position, said gate being used for
putting in and taking out the needles from the cylinder as required.
Fourth. In a spring for securing the regulator in whatever position it may be
placed in regulating the stitch.
Fifth. In an improved hinged feed-post constructed to fold backward to allow
the stationary fender, hereinafter described, to be placed into position for ribbing,
and when taken out the said hinged feed-post will assume its ordinary position.

page_text: Sixth. In a right and left excentric cam for lengthening and shortening the
stitch, operated by the excentric parallel motion or regulator herein before
referred to.
Seventh. A stationary fender attached to the dial cap of ribbing attachment, so
constructed that it is not required to be taken off at the termination of the ribbing
of the article in course of manufacture.
Eighth. A forked bracket arm or dial post constructed with two arms, which
slide into two sockets in bracket attached to cam cylinder for the purpose of
supporting the cone-shaped needle dial and dial cap, and for supporting a spool
carrier for making up and down striped work.
Ninth. A spool carrier so constructed as to set into a dial post by means of two
pins, and also to carry the ordinary yarn carrier when the machine is at work in
the process of stripeing.
Tenth. An improved combined yarn fender and feed for up and down stripe.
In the accompanying Drawings, Sheet 1, Figure 1, shows the exterior of cam
cylinder A, and a front view of excentric parallel motion or regulator A¹ placed
thereon for regulating the length of stitch, and is composed of the following
parts Upright arm a; centre stud a', on which the regulator is pivotted;
arms a², a², connecting with short arms a³, as; excentric cams f, f, "shown in
Figure 2"; spring C placed on the under edge of cylinder fastened at ono end
with a screw c, and having at the other end a nob c¹ for pressing down the same,
and a flat stud c in the middle which engages with a rack formed on the lower
end of upright arm a for holding the regulator in any position as required;
showing also a front view of hinged feed post D, hereinbefore described, showing
also gate B and gate-latch b¹ for holding the saino in position.
Figure 2 shows the interior of cylinder A with the reversible sliding cam c, which
opens and closes automatically the centre throat of needle race-way by the passing
of the needles, and this in either direction; showing also excentric cams f, f, for
lengthening and shortening the stitch.
Figure 3 is a section through a, b, in Figure 2, showing reversible sliding cam c
and excentric cam f.
Figuro 4 is a side view of feed post D in two positions, as held forward by the
spring d in its usual position, and when folded back for the purposes herein before
described.
Figure 5 shows a front view of stationary fender G fastened on dial cap G¹, and
side view of a bracket H and dial post H¹ secured therein; a spool carrier for
down stripe H² held in position in dial post by means of two pins H, and dial post
held in position in bracket H by means of two arms H' fitting in two sockets in
said bracket; all fastened to cam cylinder A and carrying dial cap G¹.
Figure 6 is a section of stationary fender G through the line a, b, in Figure 5.
Figure 6.1 is a plan of bracket H.
Figure 8 is a plan of spool carrier H³, showing positions of spool posts h, h, and
spool carrier H³.
Sheet 2, Figure 7, shows a back view of bracket H and dial post H' with two
arms Hs resting therein; spool carrier H², spool posts h, h, and spool carrier
post H³.
Figure 9 shows a ground view of combined fender I, and feed i for up and down
stripe.
Figure 10 shows front view of same and fastened on cam cylinder A, showing
also the position of yarn 8* passing through fender I and feed i.
Figure 11 shows a ground view of tension and take up attachment 8, fastened
on yarn carrier K.
Figure 12 shows a side view of tension and take up attachment 8, consisting of
bar 8, weight 8', check screws 8, to regulate the tension and fulcrum 8; showing
also yarn s' as passing from spool to the machine.
Figure 13 is a face view of hook 8* on end of bar &
Figure 14 is a face view of guide 8º.

page_text: Figures 11, 12, 13, 14, are drawn one half full size only, all the other Figures
are drawn full size.
Having thus described the improvements composing the Invention,
I claim,―
1. An excentric parallel motion or regulator A¹ for regulating the stitch, and as
attached to cam cylinder A and composed of the following parts:-Upright arm a,
centro stud a³, arms a², a², short arms a³, a³, excentric cams ff.
2. An automatic reversing cam e for opening and closing the race-way of the
needles, as shown and described.
3. A latch b for securing the gate B in position, as shown and described.
4. A spring C placed on the under edge of cam cylinder A, with upright flat
stud for securing the regulator A¹ in any required position, as shown and
described.
5. A hinged feed post D placed on upper edge of cam cylinder A constructed to
fold backward, and with a spring d for pressing forward the upper portion to its
normal position, as shown and described.
6. A stationary fender G attached to the dial cap G¹, constructed so as to obviate
its being removed at the termination from time to time of the ribhing process, as
shown and described.
7. A forked bracket arm H' or dial post as constructed with two arms H³, which
slide into two sockets in bracket H attached to cam-cylinder A for supporting
spool-carrier H for up and down stripe, as shown and described.
8. A spool carrier H², so constructed as to set into dial post H' by means of two
pins H, also to support the ordinary yarn carrier H³ while the machine is at work
in the process of stripeing, as shown and described, in combination with the tension
and take up attachment 8.
9. A combined yarn fender I and feed i for up and down stripe, as shown and
described.
In witness whereof, I, the said Herbert John Haddan, have hereunto set my
hand and seal, this Sixth day of October, A.D. 1881.