IMPROVEMENTS IN MACHINERY FOR PREPARING, SPINNING, AND DOUBLING COTTON AND OTHER FIBROUS SUBSTANCES
Year: 1868

page_text: LETTERS PATENT to Samuel Brooks, of the Union Works, West
Gorton, near the City of Manchester, Machine Maker, for the
Invention of "IMPROVEMENTS IN MACHINERY FOR PREPARING, SPINNING,
AND DOUBLING COTTON AND OTHER FIBROUS SUBSTANCES."
Sealed the 28th August 1868, and dated the 11th March 1868.
PROVISIONAL SPECIFICATION left by the said Samuel Brooks at the
Office of the Commissioners of Patents, with his Petition, on the
11th March 1868.
I, SAMUEL BROOKS, of the Union Works, West Gorton, near the
City of Manchester, Machine Maker, do hereby. declare the nature
of the said Invention for "IMPROVEMENTS IN MACHINERY FOR PREPARING,
SPINNING, AND DOUBLING COTTON AND OTHER FIBROUS SUBSTANCES," to be as
follows:-
My Invention is particularly applicable to drawing frames, but it
may be applied to other machines in which the slivers or rovings are
deposited by coilers into cans or pass through calender rollers; and it

page_text: consists in an improved stop motion for disconnecting the driving
power when a portion of the fibres that should be delivered are missing,
or when an accumulation takes place in front of the trumpet mouth
near the calender rollers. Between the drawing and calender rollers
I place an instrument very similar to the spoons usually employed in
the stop motion at the back of drawing frames, and this instrument is
accurately adjusted so that it is held against a regulating set screw so
long as all the fibres are carried forward by the calender rollers, but
when a portion of fibres is missing or when an accumulation takes
place in front of the trumpet mouth the instrument falls back and
the lower end is brought into contact with a revolving cam on a shaft,
the motion of which it arrests, thereby bringing into operation the
usual apparatus for shifting the driving strap from the fast to the
loose pulley. The front cam shaft is driven from the usual cam shaft
of the back stop motion by pinions and a short cross shaft.
Another part of my Invention is applicable to those throstle spinning
and doubling frames in which two cylinders are employed to drive
the spindles at the opposite sides of the frame, and it consists in
connecting the two cylinders by friction wheels, whereby the irregularity
in the twist is avoided. In order to keep the friction wheels in contact
the bearings of the cylinders are pressed together, or the bearings of
one cylinder are placed on inclined planes, so that the friction wheels
are held together by gravity.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Samuel Brooks in the Great Seal Patent Office 2
on the 8th September 1868.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SAMUEL
BROOKS, of the Union Works, West Gorton, near the City of Manchester,
Machine Maker, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her a
Letters Patent, bearing date the Eleventh day of March, in the year
of our Lord One thousand eight hundred and sixty-eight, in the
thirty-first year of Her reign, did, for Herself, Her heirs and successors,

page_text: give and grant unto me, the said Samuel Brooks, Her special license
that I, the said Samuel Brooks, my executors, administrators, and
assigns, or such others as I, the said Samuel Brooks, my executors,
administrators, 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 PREPARING, SPINNING, AND DOUBLING COTTON AND OTHER
FIBROUS SUBSTANCES," upon the condition (amongst others) that I, the
said Samuel Brooks, 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
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 Samuel Brooks, 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) :-
:-
My Invention is particularly applicable to drawing frames, but it
may be applied to other machines in which the slivers or rovings are
deposited by coilers into cams, or pass through calender rollers; and
it consists in an improved stop motion for disconnecting the driving
power when a portion of the fibres that should be delivered are missing,
or when an accumulation takes place in front of the trumpet mouth
piece near the calender rollers. Between the drawing and calender
rollers I place an instrument very similar to the spoons usually employed
in the stop motion at the back of drawing frames, and this instrument
is accurately adjusted so that it is held against a regulating set
screw so long as all the fibres are carried forward by the calender
rollers; but when a portion of fibres is missing, or when an accu-
mulation takes place in front of the trumpet mouth, the instrument
falls back and the lower end is brought into contact with a revolving
cam on a shaft, the motion of which it arrests, thereby bringing into
operation the usual apparatus for shifting the driving strap from the

page_text: fast to the loose pulley. The front cam shaft is driven from the usual
cam shaft of the back stop motion by pinions and a short cross shaft.
Another part of my Invention is applicable to those throstle spinning
and doubling frames in which two cylinders are employed to drive the
spindles at the opposite sides of the frame, and it consists in connecting
the two cylinders by friction wheels, whereby the irregularity in the
twist is avoided. In order to keep the friction wheels in contact the
bearings of one cylinder are adjustable, or the bearings of one cylinder
are placed on inclined planes so that the friction wheels are held
together by gravity.
And in order that my Invention may be fully understood I will
proceed to describe the accompanying Sheet of Drawings, in which
Figure 1 represents a side elevation of part of a drawing frame with
my improved stop motion applied; Figure 2 is a plan of the same;
these views are drawn half size, and Figure 3 is a front elevation drawn
full size.
a is the roller beam; b, b, b, b, the ordinary fluted drawing rollers;
c is the stop motion shaft at the back of the machine as at present in
use for stopping the machine in case any of the slivers break while
passing to the drawing rollers. From the shaft c motion is transmitted
to the shaft d placed between the drawing rollers b, b, and the calender
rollers 6', 6', by means of the cross shaft e driven by bevel pinions;
the shaft d extends the length of the frame, and on it are set the
cams. The spoon g, balanced on pivots at h, is so adjusted by means
of the set screw i, on which it rests, that by the least decrease in the
amount or weight of cotton or other fibrous substances passing over it
it rises slightly or sufficiently to bring the tail piece j in the way of
the cam f, which presses the tail piece ; against the frame and stops
the shafts d and c, by the latter of which the driving strap is moved
from the driving to the loose pulley in the ordinary manner, and thus
the machine is stopped, until the sliver passing over the spoon g has
had the broken end or ends pieced, or the accumulation in front of the
trumpet mouth / is removed.
In Figure 1 the spoon 9 and tail piece ; are shewn by dotted lines
in the position they occupy when the pressure of the fibres on the
spoon g has been removed and the tail piece j is down and ready to

page_text: arrest the motion of the cam f, and thus to stop the machine. The
trumpet mouth or guide is secured to the bracket m by a small set
screw, and in the bracket m is a slot to allow the trumpet mouth or
guide to be raised or lowered in order to give more or less drag on
the spoon g.
Another part of my Invention consists in an improved mode of driving
the cylinders of throstle spinning and doubling machines when two
cylinders are employed. It is now customary to drive one cylinder
from the other by means of means of geering, or by the spindle bands
of one cylinder passing over the other, now my improvements consist
in connecting the two cylinders by friction wheels or pulleys.
Figure 4 is a plan of a pair of cylinders with my improved mode of
driving the same; and Figure 5 is an end elevation. a, a, are the
ordinary cylinders; b, the frame of the machine on which the bearings
for the cylinders a, a, are fixed; c is the bearing for one cylinder, which
is attached to the frame b, in any convenient manner; d, the bearing
for the other or adjustable cylinder; this bearing is made to slide on
the saddle e bolted to the frame 6 by means of the adjusting screw f;
this bearing may be brought nearer to or removed from the stationary
cylinder to any degree necessary to give the requisite amount of pressure
on the friction wheels g', g', which may be covered with leather or
other material. In Figure 6 I have shewn plain friction pulleys, which
may be used instead of the wheels g¹. The object of this mode of
connecting the cylinders is to equalize the twist on both sides of the
frame.
Having thus stated the nature of my Invention, and described the
manner of performing the same, I declare that I claim,-
First. The application of the improved stop motion to drawing frames
and other machines of the like nature when placed between the drawing
rollers and the calender rollers, as shewn and described.
Secondly. The set screw marked i for regulating the spoon g, according
to the quantity of fibres passing over it.
Thirdly. Regulating the position of the mouth piece so as to vary
the drag of the sliver on the spoon g.
Fourthly. The mode of connecting the front and back stop motions,
as shewn and described.

page_text: And, lastly. The improved mode of connecting the drums of throstle,
spinning, and doubling frames, as shewn and described.
In witness whereof, I, the said Samuel Brooks, have hereto set my
hand and seal, this Fourth day of September, One thousand eight
hundred and sixty-eight.