CERTAIN IMPROVEMENTS IN MACHINERY OR APPARATUS FOR WINDING YARN
Year: 1857

page_text: LETTERS PATENT to Robert Knowles, of Manchester, in the County of
Lancaster, Manager, for the Invention of "CERTAIN IMPROVEMENTS IN
MACHINERY OR APPARATUS FOR WINDING YARN."
Sealed the 9th October 1857, and dated the 14th April 1857.
PROVISIONAL SPECIFICATION left by the said Robert Knowles at the
Office of the Commissioners of Patents, with his Petition, on the
14th April 1857.
I, ROBERT KNOWLES, of Manchester, in the County of Lancaster, Manager,
do hereby declare the nature of my said Invention for "CERTAIN IMPROVE-
MENTS IN MACHINERY OR APPARATUS FOR WINDING YARN," to be as follows:-
My Invention relates to that class of winding machinery known as "pin
winding machines," employed for winding yarns upon "pin bobbins" for
weaving, and is designed for the purpose of effecting the more even and
perfect winding of the yarn upon such bobbins, so as to prevent it slipping or
loosening therefrom. The improvement consists in the novel application and
adaptation of an arrangement of "cone pulleys" or other differential motion
so applied as to regulate the speed of the bobbin and of the "copping rail" as
the yarn is wound upon the greater or lesser diameter of the conical surface
of the "pin bobbin," as when the bobbins are driven at one uniform speed the
yarn becomes wound more tight and close at the upper extremity or widest
diameter of the conical end, and as the diameter diminishes it is wound

page_text: loosely, so that when the winding on the bobbin is completed it is liable to
slip or draw off the bobbin, not being evenly wound thereon. The apparatus
employed is to be so arranged that when the yarn is winding on the smallest
end of the cone, the spindle (upon which the bobbin is placed) will be driven
at a high velocity, and as the yarn winds on to the greatest diameter the
speed will gradually decrease to allow of the increasing surface being covered
as evenly as the lesser diameter.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Robert Knowles in the Great Seal Patent Office on the
14th October 1857.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ROBERT
KNOWLES, of Manchester, in the County of Lancaster, Manager, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fourteenth day of April, in the year of our Lord
One thousand eight hundred and fifty-seven, in the twentieth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Robert Knowles, Her especial licence that I, the said Robert Knowles,
my executors, administrators, and assigns, or such others as I, the said
Robert Knowles, my executors, administrators, and assigns, should at any
time agree with, and no others, from time to time and at all times there-
after 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 "CERTAIN
IMPROVEMENTS IN MACHINERY OR APPARATUS FOR WINDING YARN," upon the
condition amongst others) that I, the said Robert Knowles, by an instrument
in writing under my hand and seal, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to be.
performed, and 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 Robert Knowles, do hereby declare the
nature of my said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement accompanying Drawings, that is to say:-
My Invention relates to that class of winding machinery known as "pin
winding machines," employed for winding yarns upon "pin bobbins' for

page_text: weaving, and is designed for the purpose of effecting the more even and
perfect winding of the yarn upon such bobbins, so as to prevent its slipping or
loosening therefrom. The improvement consists in the novel application and,
adaptation of an arrangement of "cone pulleys" or other differential motion
so applied as to regulate the speed of the bobbin and with it the movement
of the "copping rail," as the yarn is wound upon the greater or lesser
diameter of the conical surface of the "pin bobbin," or in accordance with.
its varying diameter, as when the bobbins are driven at one uniform speed,,
as hitherto, the yarn becomes wound more tightly and close at the upper
extremity or widest diameter of the conical end, and as the diameter.
diminishes it is wound loosely, so that when the winding on the bobbin is
completed it is liable to slip or shell off 'the bobbin, not being evenly wound
thereon, and consequently to break in the subsequent operation of weaving.
The apparatus employed is to be so arranged that when the yarn or thread is
winding on the smallest end of the cone of the bobbin the spindle (upon
which the bobbin is placed) will be driven at its highest velocity, and as the
yarn winds on to the greater diameter the speed will gradually decrease as
the yarn is wound upon the increasing diameter of the conical end of the-
bobbin, the object being to wind the yarn on to such bobbin at an unvarying
speed, which has the effect of also causing it to be wound with an unvarying
degree of tightness.
In order that the Invention may be better understood I have hereunto'
attached a Sheet of Drawing made upon a scale of about three inches to a
foot, and having similar letters of reference marked upon corresponding parts
of the apparatus in each Figure.
Fig. 1 is an end view of a "pin winding frame," the arrangement of "cone
pulleys," rack, and mechanism for effecting the differential motion for the
winding of the yarn; Fig. 2 is a side view of a portion of the frame. In
Fig. 1, a, a, is the framing of an ordinary "pin winding" machine, to which
is applied the "cone pulleys" 6, 6, and rack c for causing the strap d driving
the pulleys to traverse along such pulleys and drive the spindles e and the
bobbins at a gradually increasing and decreasing speed. f,f', are the fast
and loose pulleys by which the "cone pulleys are driven, and through them
motion is imparted to the geering moving the rack c, to which the fork g for
winding the strap is secured. This motion also regulates the rise and fall of the
"copping rail" h. It will be evident that when the strap is upon the broad
end of the pulley 6 or driving pulley, the pulley 6 will be driven at its highest
speed, and vice versa, so that when the strap is upon the narrowest end of the
cone pulley 61 (as shewn) the yarn will be winding rapidly upon the narrowest

page_text: end or lesser diameter of the bobbin, and when the strap is upon the greatest
diameter of the pulley the yarn is wound at a slower rate upon the greater
diameter of the bobbin, and thus an evenly wound bobbin is produced.
Having now described the nature of my said Invention, together with the
manner of carrying the same into effect, I wish it to be distinctly understood
that I claim the novel application, employment, and use of a differential
motion to "pin winding winding machines," whether obtained by means of
cone pulleys or other well-known substitutes and equivalents for the purpose
of effecting the winding of the yarn on the bobbins at an unvarying speed, by
adapting the speed of the bobbin to its varying diameter, which motion is
regulated and governed by any suitable differential motion, as herein-before
described, set forth, and fully exhibited in the Drawings.
In witness whereof, I, the said Robert Knowles, have hereunto set my
hand and seal, this Thirteenth day of October, in the year of our
"Lord One thousand eight hundred and fifty-seven.