Year: 1886

page_text: Date of Application, 26th Nov., 1886
Complete Left, 26th Aug., 1887
Complete Accepted, 25th Oct., 1887
We, JAMES MORRISON of Quay Street, Huddersfield, Yorkshire, Woollen
Manufacturer and EDWIN HARGREAVES of Rose Mary Lane, Huddersfield aforesaid,
Machine Maker do hereby declare the nature of this invention to be as follows:-
Our invention has reference to machinery for twisting yarns, and consists in
rotating the top and bottom drawing rollers at alternately varying speeds for the
purpose of twisting two different coloured threads of yarn together in such manner
as to produce an even and level yarn of two alternate colours of equal or unequal
lengths.
In order to carry out our invention we drive the bottom roller of each set of
drawing rollers by eccentric pinions which rotate each roller at varying speeds, the
eccentric pinions to each roller being so timed, that when the top roller is rotating
slowly, the bottom roller shall be rotating at an increased speed, and vice versa.
Above the top stationary rail of the machine we place an adjustable rail or bar
running horizontally across the front of the machine.
The yarns to be twisted are fed from seperate bobbins, one yarn being passed
between the top set of drawing rollers, and the second yarn being passed between the
bottom set of rollers, from which they are conducted to the front, and behind the
horizontal bar respectively; and immediately under the said bar, the yarns are
twisted together by the rotary action of the spindle upon which the twisted yarn is
subsequently wound.
The action of the varying speeds of the two sets of drawing rollers is to retard the
delivery of the yarn at one part of their revolutions, and accelerate its delivery at
the other part of their revolutions, and this being done alternately, it follows that the
excess of yarn from one set of rollers will be twisted around the yarn retarded by
the other set of rollers for a short distance, when the positions will be relatively
changed.

page_text: By this means we are enabled to produce a fancy yarn composed of two different
colours twisted alternately throughout the entire length of yarn.
By adjusting the horizontal bar as required, the lengths of each colour of yarn
twisted can be made unequal.
Though we prefer to use eccentric pinions for giving the necessary varying rotary
motion to the drawing rollers, it will be understood that other rotary contrivances
could be employed for the same purpose.
Dated this 25th day of Navambon 1984

page_text: We, JAMES MORRISON of Quay Street, Huddersfield, Yorkshire, Woollen
Manufacturer and EDWIN HARGREAVES of Rosemary Lane, Huddersfield aforesaid,
Machine Maker 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 :-
Our invention has reference to machinery for twisting yarns, and consists in
rotating the top and bottom drawing, rollers at alternately varying speeds for the
purpose of twisting two different coloured threads of yarn together in such manner
as to produce an even and level yarn of two alternate colours of equal or unequal
lengths.
In order to carry out our invention we drive the bottom roller of each set of
drawing rollers by eccentric pinions which rotate each roller at varying speeds, the
eccentric pinions to each roller being so timed, that, when the top set of drawing
rollers are rotating slowly, the bottom set of drawing rollers shall be rotating at an
increased speed, and vice versa. Above the top stationary rail of the machine we
place an adjustable rail or bar running horizontally across the front of the machine.
The yarns to be twisted are fed from seperate bobbins; one yarn being passed
between the top set of drawing rollers, and the second yarn being passed between the
bottom set of rollers, from which they are conducted to the front, and behind, the
horizontal bar, respectively, and immediately under the said bar, the yarns are twisted
together by the rotary action of the spindle, upon which the twisted yarn is
subsequently wound.
Our invention will be more fully understood on reference being made to the
accompanying sheets of Drawings, wherein Fig. 1, is end elevation of a machine
*for twisting yarns, shewing the manner of and means for giving intermittent or
varying rotary motion to the bottom rollers of each set of drawing rollers, and
Fig. 2, is cross section of same, shewing the position and direction of the yarns to be
twisted.
A is the framing of the machine, B the main driving shaft which receives rotary
motion from any suitable source, C the tin cylinder mounted on said shaft, which, by
means of band a and wharle b, gives a rapid rotary motion to the spindle c in the
usual manner. (see Fig. 2.)
Motion is communicated from the shaft B, by strap d, to the train of
gearing D, D¹, D³, D³, and D₁; on the shafts of the two last named pinions are
mounted eccentric pinions E and F gearing with similar eccentric pinions G and H
mounted on stud shafts e and f. These eccentric pinions are so arranged, that
the shafts e and fare driven at two different speeds at every revolution of the
said pinions, and they are also so timed, that, when-say-the shaft e is being rotated
slowly, the shaft is being rotated at an increased speed, and vice versa. The
intermittent-or varying rotary motion given to each of the said shafts is communicated

page_text: by pinions I and J, mounted thereon, to pinions K and L mounted on the shafts of
the bottom rollers of each set of drawing rollers, M and N.
O and P are the bobbins from which the threads of yarn, to be twisted, are
unwound, the yarn from the bobbin O passing through the eyelet g, between the
drawing rollers M, over the rod h, in front of the adjustable horizontal bar i, running
the length of the machine, and through the eyelet ; in the ordinary eyelet board.
The yarn from the bobbin P passes through the eyelet k, between the drawing
rollers N, behind the adjustable horizontal bar i, and through the eyelet j, the two
threads of yarn being twisted together immediately under the bar i by the rotary
action of the spindle upon which the twisted yarn is subsequently wound.
The action of the varying speeds of the two sets of drawing rollers M. and N is to
retard the delivery of the yarn at one part of their revolutions and accelerate its
delivery at the other part of their revolutions, and this being done alternately, it
follows that the excess of yarn delivered by-say--the set of drawing rollers M, will
be twisted around the yarn retarded by the drawing rollers N for a short distance,
when the positions will be relatively changed, and the excess of yarn now delivered
by the drawing rollers N will be twisted around the yarn retarded by the drawing
rollers M for a short distance, and so on throughout the entire length of yarn.
By the means above described we are enabled to produce a fancy yarn composed of
two different coloured yarns twisted together, so as to form an oven and level yarn
of two alternate colours.
It will be understood, that, by increasing the number of drawing rollers and
rotating them at varying speeds by means of eccentric pinions as herein set forth,
three or more yarns could be twisted together to form a fancy yarn.
By raising or lowering the position of the horizontal bar i, the number of turns,
per inch, of each coloured yarn twisted is altered accordingly.
Though we prefer to use eccentric pinions for giving the necessary intermittent or
varying rotary motion to the drawing rollers, it will be understood that other rotary
contrivances could be employed for the same purpose.
Having now particularly described and ascertained the nature of our said invention,
and in what manner the same is to be performed, we declare that what we claim is :-
Firstly. In machinery for twisting yarns, the means for and method of giving
intermittent or varying rotary motions to each set of drawing rollers for the purpose
of twisting two or more different coloured threads of yarn together so as to produce
a fancy yarn, of two, or more alternate colours, of equal or unequal lengths,
substantially as herein shewn and described.
Secondly. The use and employment of the adjustable horizontal bar i for regulating
and varying the length or distance which each thread of yarn shall be twisted
substantially as described.
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