IMPROVEMENTS IN DOUBLING AND TWISTING, AND IN APPARATUS CONNECTED THEREWITH
Year: 1876

page_text: LETTERS PATENT to Sidney Emsley, Agent, of Bradford, and Samuel Smith,
Machine Maker, of Low Bridge Works, Keighley, both in the County of York,
for the Invention of "IMPROVEMENTS IN DOUBLING AND TWISTING, AND IN
APPARATUS CONNECTED THEREWITH."
Sealed the 15th August 1876, and dated the 11th March 1876.
PROVISIONAL SPECIFICATION left by the said Sidney Emsley and Samuel
Smith at the Office of the Commissioners of Patents on the 11th March
1876.
SIDNEY EMSLEY, Agent, of Bradford, and SAMUEL SMITH, Machine Maker, of
Low Bridge Works, Keighley, both in the County of York. IMPROVEMENTS IN
DOUBLING AND TWISTING, AND IN APPARATUS CONNECTED THEREWITH."
Our Invention relates to doubling and twisting two, three, four, or more fold
yarns, and in stopping the delivery and twist simultaneously on the breakage of
one or more threads. For this purpose we place on spindles fitted behind cach
roller or boss the number of bubbins representing the number of threads to be
doubled and twisted, and between the bobbins and rollers or bosses we fit guides
for each of the threads; these guides are made angular and of wire, and formed with
twizzles on the top ends forming the guides of the threads in their passage from
the bobbins to the rollers, the other ends are made straight and long. The tops of
the wire guides work loosely in slot holes formed in an oscillating plate working on
pivots; at the back of the plate are fitted guides through which work freely the long
ends of the wire guides. The threads coming from the bobbins pass over the top of
the oscillating plate, then through the twizzles and through the rollers or bosses to
the spindles, the tension of the threads hold up the angular wire guides so that the
hanging long ends come with the level of the bottom part of the oscillating plate;
but should a thread or threads break the hanging end or ends falls or fall and
comes or come in contact with a wing of a revolving fan fitted underneath and on
the side of the oscillating plate, causing the plate to oscillate, lifting a catch
When
connected to a lever to which is fitted a spring having a wedge fixed to it.
the catch is lifted the lever connected to it is forced forward and withdraws the
wedge from the collar rail fitted between a guide and wharle pulley, or between a
break pulley, stopping the spindle. The same action of the catch causes the top of
the lever connected with the catch in which is fitted a friction pulley to slide on a
bent lever fitted to the bearings of the top roller, lifting the top roller from contact

page_text: with the driving bottom roller or boss, stopping the drawing of the thread or
threads from the bobbins; the catch in lifting forces the oscillating plate and guides
out of the way of the wings of the fan. By these means on the breakage or
stoppage of a thread, the drawing of the roller, the twisting of the spindle, and the
unwinding from the other bobbins are simultaneously and instantaneously stopped;
by pushing back the lever the catch comes in gear, the roller retakes its nip of the
threads, the break releases the spindle, and the operation of doubling and twisting
is recommenced.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Sidney Emsley and Samuel Smith in the Great Seal Patent Office
on the 11th September 1876.
SIDNEY EMSLEY, Agent, of Bradford, and SAMUEL SMITH, Machine Maker, of
Low Bridge Works, Keighley, both in the County of York. "IMPROVEMENTS IN
DOUBLING AND TWISTING, AND IN APPARATUS CONNECTED THEREWITH."
The said Invention relates to doubling and twisting two, three, four, or more
fold yarns, and in stopping the delivery and twist simultaneously on the breakage
of one or more threads. For this purpose we place on spindles fitted behind each
roller or boss the number of bobbins corresponding with the number of threads to
be doubled and twisted, and between the bobbins and rollers or bosses we fit guides
for each of the threads; these guides are made angular and of wire, and formed with
twizzles on the top ends forming the guides of the threads in their passage from the
bobbins to the rollers; the other ends are made straight and long. The tops of the
wire guides work loosely in slot holes formed in an oscillating plate working on
pivots, at the back of the plate are fitted guides through which work freely the long
ends of the wire guides; the threads coming from the bobbins pass over the top of
the oscillating plate, then through the twizzles and through the rollers or bosses to
the spindles, the tension of the threads holds up the angular wire guides so that the
hanging long ends come near the level of the bottom part of the oscillating plate ;
should a thread or threads break the hanging end or ends falls or fall and comes or
come in contact with a wing of a revolving shaft having wings fitted underneath
and on the side of the oscillating plate, causing the plate to oscillate, lifting a catch
connected to a lever to which is fitted a wedge; when the catch is lifted the lover
connected to it is forced forward and withdraws the wedge from the collar rail
fitted between a guide and wharle pulley or break pulley, stopping the spindle.
The same action of the catch causes a band passing over a pin fitted to the wedge
lever and made to pass round a friction pulley to tighten and stop the bobbin ; to
the catch lever is fitted a bent lever forming the bearings of the top roller, lifting
the top roller from contact with the driving bottom roller or boss, stopping the
drawing of the thread or threads from the bobbins. The catch in lifting forces the
oscillating plate and guides out of the way of the wings of the winged shaft. By
these means, on the stoppage or breakage of a thread, the drawing of the roller, the
twisting of the spindle, and the unwinding from the other bobbins are simul-
taneously and almost instantaneously stopped; by pushing back the lever the catchi
comes in gear, the roller retakes its nip of the threads, the break releases the spindle,
and the operation of doubling and twisting is recommenced.
But in order to enable our improvements to be better understood, we will
proceed to describe the same by reference to the accompanying Drawing, in
which,―
Figure 1 represents a sectional side elevation of a doubling and twisting frame
with our improved trap apparatus connected thereto; Figure 2, front view of the
same.
Figure 3 represents part of the side elevation of the trap apparatus fitted with
spindle for uniting the threads.

page_text: On the spindles A fitted behind each roller or boss B and B are placed the bobbins
C, corresponding with the number, of threads to be doubled and twisted, and
between the bobbins C and the rollers or bosses B and B¹ we fit guides D for each
of the threads E; these guides are made angular at the top F and of wire and
formed with twizzles G forming the guides of the threads in their passage from
the bobbins to the rollers; the other ends H are made straight and long. The
tops of the wire guides D work loosely in slot holes I formed in an oscillating plate
J working on pivots K which are fitted in bearers L formed in brackets M bolted
to the frame N; at the back of the plate J are fitted or formed guides through
which work freely the long ends of the wire guides D, the threads E coming
from the bobbins pass over the top O of the oscillating plate J, then through the
twizzles G and through the rollers or bosses B and B to the spindle P; the tension
of the threads E holds up the wire guides D, so that the hanging ends H come
near the level of the bottom part of the oscillating plate J. Should a thread or
threads break the hanging end or ends falls or fall and comes or conie in contact
with one of the wings of a revolving shaft R, fitted underneath and on the side
of the oscillating plate J, thereby causing the plate to oscillate so as to lift the
catch S connected to a lever T which is made with flanges U, the bottom parts of
these flanges rest on the top of guides V through which passes the lever T; these
guides are bolted to the frame, the bottom part 1 of the lever T is formed with a
boss W through which passes a screwed rod X fitted with set nuts Y to regulate the
tension of the wedge Z; the rod X is fastened to the wedge lever A¹, and to this
lever is fitted a pin C over which is passed a band D₁; the wedge Z is fitted with
leather lining and the wedge works in guides E' formed on a bracket F¹, which is
bolted to the bolster rail G. When the catch S is lifted the top H₁ of the lever T
is forced forward and the bottom part I backward, pulling the wedge Z against the
wharle pulley J and stopping the spindle P; the same action of the catch S causes
the band D passing over the pin C and round the friction pulley L' to tighten and
to stop the bobbin M₁; the friction pulley L' is fitted with a pin N¹ which enters a
hole made in the bobbin, thereby stopping it, on the top H¹ of the lever T is fitted a
bent lever O forming the bearings of the top roller B, lifting it from contact
with the driving bottom roller or boss B, stopping the drawing of the thread or
threads E from the bobbins C. The catch S in lifting forces the oscillating plate J
and guides D out of the way of the wings of the winged shaft R.
For uniting threads on to bobbins without twist we employ the apparatus
herein-before described, and the winding of the thread of yarn on the bobbin is
produced by removing the spindle and fixing in the bolster rail G¹ a short spindle
Q, on which is fitted a wharle R¹ actuating by friction the bobbin St; the break
wedge Z is moved to the top of the bolster rail, and guides T¹ are fitted on the top
of the bolster rail for the wedges to work in; the thread or yam is guided up and
down the bobbin by twizzles U¹ fitted on a bar actuated by the lifter plate rods V₁;
and for bobbins without twist, after having been made they are placed on spindles
fitted behind the drawing rollers, and receive the twist before entering the drawing
rollers, and the threads are guided from the bobbin by an inverted flyer fitted on
the back spindle giving the twist. By these means on the breakage or stoppage of
a thread, the drawing of the roller, the twisting of the spindle, and the unwinding
from the other bobbins are simultaneously and almost instantaneously stopped; by
pushing back the lever T the catch S comes in gear, the roller B¹ retakes its nip of
the threads, the break wedge Z releases the spindle, and the operation of doubling
and twisting is recommenced. We may also employ our trap plate for winding.
Having thus described our improvements and the best means we are acquainted
with for carrying the same into effect, we would have it understood that we do not
confine ourselves to the precise details shewn and described, as these may be varied
without departing from the peculiar character of the Invention, but what we do
claim is,
Firstly. The general arrangement, construction, and employment of trap appa-
ratus for stopping the delivery and twist simultaneously on the breakage and

page_text: cessation of delivery of one or more threads, substantially as heroin-before described
and represented in the accompanying Drawing.
Secondly. The construction and employment of the trap plate and guides for
stopping the delivery and twist of threads and yarn on the cessation of the delivery
from the bobbins, substantially as and for the purpose herein-before described.
In witness whereof, I, the said Sidney Emsley, for and on behalf of myself and
the said Samuel Smith, have hereto set my hand and seal, this Ninth day
of September, in the year of our Lord One thousand eight hundred and
seventy-sir
Witness,
WALTER JAMES TURNER, C.E.,
Patent Agent,
Bradford.
SIDNEY EMSLEY. (L.S.)