IMPROVEMENTS IN MACHINERY OR APPARATUS FOR SPINNING AND DOUBLING COTTON AND OTHER FIBROUS MATERIALS
Year: 1879

page_text: LETTERS PATENT to John Tatham, of Rochdale, in the County of Lancaster,
Machine Maker, for the Invention of "IMPROVEMENTS IN MACHINERY OR
APPARATUS FOR SPINNING AND DOUBLING COTTON AND OTHER FIBROUS
MATERIALS"
Sealed the 18th April 1880, and dated the 16th October 1879.
PROVISIONAL SPECIFICATION left by the said John Tatham at the Office
of the Commissioners of Patents on the 16th October 1879.
JOHN TATHAM, of Rochdale, in the County of Lancaster, Machine Maker,
"IMPROVEMENTS IN MACHINERY OR APPARATUS FOR SPINNING AND DOUBLING
COTTON AND OTHER FIBROUS MATERIALS."
My Invention relates to that system of spinning and doubling known as the ring
and traveller, and consists, firstly, in a method of constructing and adapting the
said traveller whereby it is caused to run in contact with the cop during its varying
diameter.
To accomplish this I use a single traveller of wire with an extended loop, and
which can turn inward and outward on the ring, and through which loop the yarn
is passed and is lapped around it. As the cop is formed the tension of the yarn
draws this traveller inward, as it were upon a centre, and delivers the yarn close
to the cop, acting also in some degree as a presser, the action of which may be
increased by centrifugal force, as is well known in pressers of preparing machines.
Another part of my Invention relates to a method of making the guide wires
moveable. For this purpose I attach them to a board which is mounted so as to
slide upon a rod extending from a bracket extending from the bolster rail or other
fixed part, and upon the poker bar is a bracket, which as the copping proceeds
arrives against the said board and lifts it, but when the poker bar descends it leaves
the guide wires in the position to which they have been raised, and this is effected
at every lift as the cop is being made. To effect this leaving of the guide wires as
they are gradually carried higher, I propose to provide their board with a spring
which presses against the rod on which it slides, the friction of which detains
it after it has been moved upward.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said John Tatham in the Great Seal Patent Office on the 16th April
1880.
JOHN TATHAM, of Rochdale, in the County of Lancaster, Machine Maker.
"IMPROVEMENTS IN MACHINERY OR APPARATUS FOR SPINNING AND DOUBLING
COTTON AND OTHER FIBROUS MATERIALS."
My Invention refers to that system of spinning and doubling known as the
ring and traveller, and consists, firstly, in an arrangement of constructing and
adapting the said traveller whereby it is caused to vary the point of delivery of the
yarn according to varying diameters of the cop in process of being wound. To
accomplish this I form a single traveller with an extended loop, which can turn
inward or outward, through which loop the yarn is passed and is lapped around it.
In the accompanying Drawing Figs. 1 and 2 represent the form of traveller I employ,
and Figs. 3 and 4 the said traveller as applied to the ring and a cop in process of
formation, and in two positions thereof. At a is the bent wire constituting the
traveller, having a loop b at its upper end, and another loop cat its lower end,
sprung on to the ordinary flange d of the ring, so that it is capable of running
freely thereon. Through this loop the thread is passed, and is then lapped around
it, the end A proceeding from the rollers, and the other end B passing to the cop.
The traveller is drawn round by the thread as in ordinary ring spinning, but the
tension of the thread draws the upper part b inward, so that the point of delivery of
the thread is in contact with or near to the surface of the cop, varying however
according to different positions. In Fig. 3 the point of delivery is opposite the
largest diameter of the cop, and it will generally run just free of it. When the
traveller is opposite a smaller diameter, as in Fig. 4, the same relative point of
delivery will be maintained, because the angle of the thread will exercise a greater
tension, and will pull over the loop b in proportion, and so on for intermediate
positions ; in no case, however, does the loop extend beyond the centre of the cop.
The next part of my Invention is shewn at Figs. 5 and 6, in which f represents
a portion of the frame of a throstle, at g the bolster, and at h the copping rails;
at i is the poker bar provided with brackets, as at k, upon which the thread guide
board rests, and so as to slide on fixed rods m; the thread board is provided with
springs n pressing against the rods m. As the copping proceeds the bracket kat
every lift arrives against the thread board and lifts it, and when it descends the
board and its wires are left in their elevated position by the springs n, so that the
position of the guide wires is always in proportion to the increasing lift; but when
the cop is finished the board is allowed to full to its starting position. I claim, and
for the purposes above set forth, firstly, the traveller constructed and adapted
substantially as described; secondly, causing the thread guides to be moved up at
intervals and left there as the winding of the cop proceeds.
In witness whereof, I, the said John Tatham, have hereunto set my hand
and seal, this Fifteenth day of April, in the year of our Lord One
thousand eight hundred and eighty.
JOHN TATHAM. (L.S.)