IMPROVEMENTS IN MACHINERY FOR DOUBLING AND WINDING YARN
Year: 1872

page_text: LETTERS PATENT to Thomas Henry Rushton, of the Firm of Messieurs
Dobson and Barlow; of Bolton, in the County of Lancaster, Machine
Maker, for the Invention of "IMPROVEMENTS IN MACHINERY FOR
DOUBLING AND WINDING YARN."
Scaled the 7th February 1873, and dated the 9th November 1872.
PROVISIONAL SPECIFICATION left by the said Thomas Henry Rushton
1
at the Office of the Commissioners of Patents, with his Petition,
on the 9th November 1872.
I, THOMAS HENRY RUSHTON, of the Firm of Messrs. Dobson and
Barlow, of Bolton, in the County of Lancaster, Machine Maker, do hereby
declare the nature of the said Invention for "IMPROVEMENTS IN MACHINERY
FOR DOUBLING AND WINDING YARN," to be as follows :-
This Invention is applicable to the doubling frames in which rings
and travellers are employed to wind the yarn or thread on the bobbins;
in machines of the ordinary construction the yarns is wound on bobbins
with a small flange above, the yarn being laid on the bobbin in succes-
sive parallel or cylindrical layers from the bottom to the top; this mode
of construction is objectionable owing to the great lift required and to
the difficulty in unwinding. Now my Invention consists in the appli-
cation of improved machinery for winding the yarn on the bobbin in

page_text: conical layers, as in building a cop, whereby the lift is reduced and the
top flange is or may be dispensed with.
The machinery to effect this object consists of a shaft with a screw at
one end and a pinion gearing into a rack; this shaft in revolving is
moved gradually endwise by the screw, which is connected by chains
and pulleys to the lifting rail; a heart or cam is also employed to act
upon a lever which in its turn acts on a bowl, the position of which is
varied by the pinion and rack above referred to as the cop is being built,
the rack and pinion gradually lengthen the traverse of the lifting rail
until the bottom of the bobbin has been filled, after which the traverse of
the lifting rail remains the same, but the level of the lift is gradually
raised by the screw until the bobbin is filled.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Thomas Henry Rushton in the Great Seal Patent
Office on the 8th May 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, THOMAS
HENRY RUSHTON, of the Firm of Messieurs Dobson and Barlow, of
Bolton, in the County of Lancaster, Machine Maker, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Ninth day of November, in the year of our Lord
One thousand eight hundred and seventy-two, in the thirty-sixth year
of Her reign, did, for Herself, Her heirs and successors, give and grant
unto me, the said Thomas Henry Rushton, Her special licence that I, the
said Thomas Henry Rushton, my executors, administrators, and assigns,
or such others as I, the said Thomas Henry Rushton, my executors, ad-
ministrators, and assigns, should at any time agree with, and no others,
from time to time and at all times thereafter during the term therein
expressed, should and lawfully might make, use, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN MACHINERY
FOR DOUBLING AND WINDING YARN," upon the condition (amongst others)
that I, the said Thomas Henry Rushton, my executors or administrators,
by an instrument in writing under my, or their, or one of their hands
and seals, should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and

page_text: cause the same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE, that I, the said Thomas Henry Rushton, do hereby
declare the nature of my said Invention, and in what manner the same
is to be performed, to be particularly described and ascertained in and by
the following statement (that is to say) :-
;
This Invention is applicable to the doubling frames in which rings
and travellers are employed to wind the yarn or thread on the bobbins
in machines of the ordinary construction the yarn is wound on bobbins
with a small flange above, the yarn being laid on the bobbin in succes-
sive parallel or cylindrical layers from the bottom to the top; this mode
of construction is objectionable owing to the great lift required and to
the difficulty in unwinding. Now my Invention consists in the appli-
cation of improved machinery for winding the yarn on the bottom of
the bobbin and afterwards in succession conical layers, as in building a
cop, whereby the lift is reduced and the top flange is or may be dispensed

page_text: nut in the lever j, and which is connected by the chain f³ and pulley c³
to the shaft c which actuates the lifting rail a. The heart or cam h³
fixed on the shaft h is employed to act upon the lever k, which in its
turn acts on a bowl g' which is supported in brackets projecting from the
lower end of the rack 9, and which is gradually lowered as the cop is
being built by the pinion f¹ and rack g above referred to.
The rack 9,
shewn detached in Fig. 4, slides on the upper end of the lever j which
vibrates on the fulcrum stud j¹ projecting from a bracket fixed to the
frame end.
In Fig. 1 the parts are shewn in the positions they occupy when the
operation of filling the bobbins is just going to commence; the rack g
and bowl g' are now up as shewn by the full lines, and the heart or
cam h³ in revolving imparts only a slight vibrating motion to the levers k
and j, which latter transmits it to the screw shaft f and lifting rail a,
and as the rack g is gradually lowered the vibration of the lever k acting
on the gradually descending bowl g¹ lengthens the traverse of the lifting
rail until the bowl g¹ arrives in the position shewn in dots in Fig. 1, by
which time the bottom of the bobbin has been filled, after which the
traverse of the lifting rail which is effected in the usual manner remains
the same, but the level of the lift is gradually raised by the screw f
until the bobbin is filled with successive conical layers of yarn, as
shewn in Fig. 5, which represents a section of my improved bobbin
drawn full size.
Having thus stated the nature of my Invention, and described the
manner of performing the same, I declare that I claim the machinery
shewn and described for winding the yarn on the bobbins in ring and
traveller doubling and winding frames.
In witness whereof, I, the said Thomas Henry Rushton, have here-
to set my hand and seal, this Sixth day of May, One thousand
eight hundred and seventy-three.
THOMAS HENRY RUSHTON. (L.S.)