IMPROVEMENTS IN MACHINERY FOR COMBING WOOL, COTTON, SILK, FLAX, AND OTHER FIBROUS. SUBSTANCES
Year: 1874

page_text: :
LETTERS PATENT to Arnold Lohren, of the Firm Berlin-Neuendorfer-
Actien-Spinnerie, at Neuendorf, bei (near) Potsdam, in the
Kingdom of Prussia, for the. Invention of "IMPROVEMENTS IN
MACHINERY FOR COMBING WOOL, COTTON, SILK, FLAX, AND OTHER FIBROUS.
SUBSTANCES."
Sealed the 24th July 1874, and dated the 14th May 1874..
PROVISIONAL SPECIFICATION left by the said Arnold Lohren at the
Office of the Commissioners of Patents, with his Petition, on the
14th May 1874.
I,
ARNOLD LOHREN, of the Firm
Berlin-Neuendorfer-Actien-
Spinnerie, at Neuendorf, bei (near) Potsdam, in the Kingdom of
Prussia, do hereby declare the nature of the said Invention for "IM-
PROVEMENTS IN MACHINERY FOR COMBING WOOL, COTTON, SILK, FLAX, AND OTHER
FIBROUS SUBSTANCES," to be as follows :—
This Invention relates to several improvements in the combing
machines in general use; also to those machines known as "Cowper's,"

page_text: "
also to improvements in the combing machine known as Noble's,'
whereby many of the obstacles now existing from the use of those
machines are obviated and better results are obtained.
.
The first part of my Invention is applicable to all combing
machines in which carrying combs are used for transferring fibrous
material from a feeding apparatus to drawing-off rollers and to noil
rollers.
The first improvement under the first part of my Invention, consists
in the employment of a stopping motion for the drawing-off rollers
which stops the machine as soon as the drawing roller begins to "lap "
the fibrous material.
In working drawing-off rollers it very often happens that the fibrous
material is wound around the roller, making a "lap" of considerable
thickness. This lap of fibres presses towards the teeth of the combs,
and often causes inconveniences and sometimes great damage. To
remedy these evils I place a plate or a roller covered with short pins or
card clothing near the drawing-off roller, this plate being fixed on the
arm of a lever acting on a revolving catch box. As soon as the
fibrous material laps around the drawing roller the lap will come in
contact with the pins, the stopping plate then turns the lever a
little around its axis and throws the belt from the fast on to the loose
pulley.
My second improvement under this first head also relates to all kinds
of combing machines in which carrying combs are used for transferring
the fibrous material from the feeding apparatus to the drawing-off
rollers and to the noil rollers, and consists in an additional and peculiar
drawing-off apparatus to be placed behind the common drawing-off
rollers and before the noil rollers.
Heretofore in the practical working of all combing machines with
revolving carrying combs, it has been found that. after drawing out the
fibres by one (or more) pairs of drawing rollers, some portion of cleaned.
fibre projecting about ½ of an inch from the combs cannot be taken.
hold of by the rollers, and consequently remains in the noils. Now
with my novel drawing-off apparatus I take hold of this remaining part
of the projecting fibres and deliver them out of the machine in the form
of a continuous sliver. For this purpose I employ revolving frictional

page_text: nippers, as referred to in the Specification of a Patent granted to
Charles Cowper, on the 23rd day of February 1852, No. 13,977, one
of the nippers being a moving surface, the other a stationary smooth
surface.
Another improvement consists in the employment of two revolving
nipping apparatus for one comb, the nippers being arranged on different
sides of the comb teeth, one at the outer circumference and another at
the inner.
The next improvement relates to the means of drawing out the
fibrous material from the revolving nipping apparatus above described,
and consists in the application of revolving cans, coilers, or spindles
to give twist to the sliver of short fibres for forming a strong band of
"top."
The next improvement consists in combining the sliver of the
revolving frictional apparatus with the slivers of the carrying comb, and.
the guiding of them together out of the machine.
The next improvement consists in cleaning the fibrous material
drawn out by the above revolving frictional nipping apparatus by an
intersecting comb (nacteur), as described in the same Patent of Charles
Cowper above referred to.
The Invention under the second part relates to improvements in a
machine commonly known as "Noble's." In this machine one or
more circular combs rotate within another circular comb, and the sliver
of fibrous material is pressed into the teeth of those combs at the point
of tangential contact, and by the revolution of the combs the teeth of
one comb recede from those of the other, whereby the ends of the
fibres held by one circle will be drawn out from the other circle.. After
the separation the projecting ends of the cleaned fibres are drawn out
by pairs of drawing rollers, and then delivered out of the machine in
the form of an endless sliver. The slivers of fibrous material to be
operated upon are arranged continuously around the outer circular comb
and are fed or supplied through feeding boxes, the number of which is
72 for the outer circle of 42 inches diameter.
My first improvement in this second part of my Invention consists in
arranging a greater number of feeding slivers and feeding boxes, say,
from 96 to 144, whereby I am enabled to feed a greater quantity of

page_text: fibrous material more uniform, as this is possible with a smaller number
of very strong slivers.
In the "Noble's comb," as at present constructed, the ends of the
slivers are lifted out of the outer circular comb by inclined plates, and
then guided over a fixed cover plate to the dabbing brush; and it is
found that in feeding or guiding the slivers, as above stated, the ends
lose their straight position and sometimes overlap each other. Now to
remedy this evil I employ a revolving frictional disc working on a fixed
polished plate to take hold of the ends of the slivers and to straighten
the fibres before they are pressed into the combs by the dabbing
brush.
The third improvement under the second part of my Invention, con-.
sists in giving motion to the dabbing brush for "Noble's" comb by.
means of cams and levers driven by a shaft at the bottom of the
machine, and dispensing with the driving shaft at the top over the
circular combs as hitherto in use. This improvement gives the
advantage to allow a changing of the circular combs without the
necessity of removing the driving parts.
My fourth improvement relates to the application of pressing plates
for the inner circular comb of "Noble's" machine, for transferring a
greater quantity of fibre from the outer circle to the inner. By this
means I am enabled to draw the slivers from both combs of the same
thickness, avoiding the very great wear of the leather sheets for the
drawing rollers belonging to the outer comb.
My fifth improvement consists in the employment of a circular;
revolving brush for the inner circle of "Noble's" comb, and dispensing
with the tooth armed revolving disc at present in use. The circular
brush will not only direct the points of fibres more perfectly to the
drawing rollers than the disc, but will at the same time clean the pro-
jecting ends of knots, burrs, and impurities.
The sixth improvement, for Noble's machine relates to the employ-
ment of horizontal rollers to draw out the fibres of the inner circular
comb.
"
The seventh improvement for "Noble's machino has reference to
means for cleaning the projecting ends of fibres before they are drawn
out by the drawing-off rollers.

page_text: In the practical working of Noble's machine it is found that some
portion of noil, knots, bits, or other matters become placed in the space
betwixt the two circles of teeth, and consequently are not combed out,
but remain in the ends, projecting from the circles, and go into the top
when the sliver is drawn out. To remedy this evil I employ two inter-
secting segmental combs, one for the outer circular comb and another
for the inner circle, the teeth of the segments pointing in a direction
opposite to those in the carrying combs. These segmental combs enter
into the ends of the fibrous material projecting from the circular combs
before being drawn off, and will consequently prevent the noils and
other impurities from escaping with the combed top.
The last part of my Invention consists in the general combination of
the various improvements above described.
Although I do not confine myself to any precise arrangement, I
prefer to employ them in a Noble's machine having only one inner
circular comb of a diameter not less than half the diameter of the outer
circle, and having the driving parts and pullies at the bottom of the
machine.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Arnold Lohren in the Great Seal Patent Office
on the 13th November 1874.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ARNOLD
LOUREN, of the Firm Berlin-Neuendorfer-Actien-Spinneric, at Neucn-
dorf, bei (ucar) Potsdam, in the Kingdom of Prussia, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Fourteenth day of May, in the year of
our Lord One thousand eight hundred and seventy-four, in the thirty-
seventh year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Arnold Lohren, Her special licence
that I, the said Arnold Lohren, my executors, administrators, and
assigns, or such others as I, the said Arnold Lohren, 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

page_text: vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN
MACHINERY FOR COMBING WOOL, COTTON, SILK, FLAX, AND OTHER FIBROUS
SUBSTANCES," upon the condition (amongst others) that I, the said
Arnold Lohren, 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 Arnold Lohren, 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 thereof, reference being had to the Drawings here-
unto annexed, that is to say :-
This Invention relates to several improvements in the combing
machines where circular carrying combs are used, also to improvements
in the combing machine known as Noble's" whereby many of the
obstacles now existing from the use of those machines are obviated and 1
better results are obtained.
The first part of my Invention is applicable to all combing machines
in which carrying combs are used for transferring fibrous material from
a feeding apparatus to drawing-off rollers and to noil rollers.
The first improvement under the first part of my Invention consists in
the employmeut of a stopping motion for the drawing-off rollers which
stops the machine as soon as the drawing roller begins to "lap" the
fibrous material.
In working drawing-off rollers it very often happens that the fibrous
material is wound around the roller making a
"lap
" of considerable
thickness. This lap of fibres presses towards the teeth of the combs and
often causes inconveniences and sometimes great damage. To remedy
these evils I place a plate or a roller covered with short pins or card
clothing near the drawing-off roller, the plate being fixed on the arm of
a lever acting on a revolving catch box. As soon as the fibrous material;
laps around the drawing roller the lap will come in contact with the

page_text: pins, the stopping plate then turns the lever a little around its axis and
throws the belt from the fast on to the loose pulley.
Figures 1 and 2, Sheet 1, shew an arrangement of parts for carrying
this first improvement into effect. A is a travelling comb; b, b, a pair
of drawing-off rollers; 1°, a plate covered with short pins or card
clothing; 1 is a lever turning upon an axis 1°, and provided at its lower
end with a recess 1' in position to act upon the cam 15 of the disc 1".
This disc turns loose upon the shaft 1 and forms the half part of a
coupling box, the other half 1' of which is sliding with a key on the
revolving shaft 1. 1", 1", are two levers turning upon the axis 1° and
transmitting the sliding motion from the coupling box 1' to the
guide 1º for the driving bands. As soon as the fibrous material laps
around the fluted drawing roller this lap will come in contact with
the pins of the stopping plate 1º, turn the lever 1ª around its axis 1°, put
the recessed end of the arm 1f on the cam 15, preventing the disc 1" from
taking part in the revolutions of the half 1k and forcing the other half l'
of the catch box to slide horizontally on this shaft, hereby turning the
levers 1 and 1" and throwing the driving band from the fast on to tho;
loose pulley.
I would here remark that the form and arrangement of parts may be
greatly varied when carrying this part of my Invention into practice,
according to the many well known means used in ordinary stop motions.
acting when a sliver breaks, but I claim the stopping of combing
machines by motions which act as soon as the drawing-off roller begins
lapping" the fibrous material.
The second improvement under this first part of my Invention also
relates to all kinds of combing machines in which carrying combs are
used for transferring the fibrous material from the feeding apparatus to
the drawing-off rollers and to the noil rollers, and consists in an
additional and peculiar drawing-off apparatus to be placed behind the
common drawing-off rollers and before the noil rollers.
Heretofore in the practical working of all combing machines with.
revolving carrying combs it has been found that after drawing out the..
fibres by one (or more) pairs of drawing rollers some portion of cleaned.
fibre projecting about ½ of an inch from the combs cannot be taken
hold of by the rollers and consequently remains in the noils. Now with
my novel drawing-off apparatus I take hold of this remaining fringe of.
'

page_text: projecting fibres and deliver them out of the machine in the form of a
continuous sliver. For this purpose I employ revolving frictional
nippers, as referred to in the Specification of a Patent granted to Charles
Cowper, on the 23rd of February 1852, No. 13977, one of these nippers
being a moving surface, the other a stationary smooth surface.
Another improvement consists in the employment of two revolving
nipping apparatus for one carrying comb, the nippers being arranged on
different sides of the comb teeth, one at the outer circumference and
another at the inner.
The next improvement relates to the means of drawing out the fibrous
material from the revolving "nipping" apparatus above described, and
consists in the application of revolving cans, coilers, or spindles, to give
twist to the sliver of short fibres for forming a strong band of top.
The next improvement consists in combining the sliver of the
revolving frictional apparatus with the slivers of the carrying comb 1
and the guiding of them together out of the machine.
The next improvement consists in cleaning the fibrous material drawn
out by the above revolving frictional nipping apparatus by an intersecting
comb (nacteur), as described in the same Patent of Charles Cowper
above referred to.
2
And in order to illustrate the improvements above set forth, I
have shewn in Figures 6 to 11, Sheet 2, some of the arrangements
of parts which I employ, but I do not confine myself to such precise
arrangements. Figure 6, Sheet 2, shows a plan, and Figures 7 and 8
shew sections taken through some parts of a carrying combing machine 2
working with a revolving carrying comb, and provided with my drawing-.
off apparatus. a is the carrying comb, either arranged with an inter-
secting nacteur c or without, according to the nature of material to bo
operated upon; 6 is a pair of drawing-off rollers; d, a pair of noil
rollers; e, the novel drawing-off apparatus placed between the rollers 3
b and d, and constructed upon the principle for which Letters Patent
were obtained by Charles Cowper, on the 23rd February 1852, and by
Isaac Holden and Emile Hubner, on the 22nd March 1858, No. 597.
f is the smooth stationary nipping surface connected to the standards ƒ³
of the machine by the long boss f' and the stud f². The spring n and 3

page_text: the weighted lever o serve to regulate the pressure between the nippers.
g is the rotating nipping surface, roughened, serrated, or furnished with
leather, india-rubber, or other suitable flexible material; h is an endless
band guided over the smooth fixed surface of the nipper f, and carried
forward by the revolving nippers g. The projecting fibres which are left
in the travelling comb a, after passing the drawing-off rollers, are taken
hold of by the frictional revolving nippers at the point of tangential.
contact i, and drawn out of the comb in the form of a continuous fringe.
By the further movement of the nippers this fringe will arrive at the
point where the nippers will be open, and the endless band / leaves
the moveable nipper g, rising to the pulley k, thence over the pulley k¹,
and descending to the feeding point i. At the point & the fringe may
be taken by drawing-off rollers or by a belt, and conducted to revolving.
cans or coilers; but in some cases I prefer to draw out the fringe of.
fibrous material by a rotating spindle m constructed in the manner well
known in spindle frames for drawing and slubbing fibrous material.
And in order that the drawing out of the short fibres may be performed
more uniformly the pressure between the nippers can be regulated by
the spring and the weighted lever o, and the end of the fixed smooth
surface may be constructed with a yielding or elastic edge at the
point to allow the fibres to be drawn out under a slight pressure from
beneath the moveable surfaces g and h, hereby giving the necessary
draught for winding and twisting.
•
}
I will now proceed to describe another arrangement of parts which I
employ to carry my improvements into effect. Figure 9, Sheet 2, shows
a plan, and Figure 10 a section of so much of a comb, constructed on
the well-known Noble's principle, as will enable me to illustrate the '
nature of some other parts of my improvements. A is a revolving comb,
arranged in this instance to work in combination with only one inner
circular revolving comb B, the number of which may be varied according
to the size of the circular comb A. a, a, are the drawing-off rollers for
the outer circular comb; b, b, for the inner; d, d, the noil rollers; e, the
revolving frictional nipping apparatus, placed in this Figure only at the..
outer circumference of the inner circle, between the drawing-off
rollers b, b, and the noil rollers d, d; but I would remark that I also
employ revolving nippers at the inner circumference of the small
circular comb B before the fibres come to the noil rollers d, and that I
also employ revolving nipping apparatus at the inner circumference of-

page_text: the large circular comb A, placed between the drawing-off rollers a, a,
and the feeding apparatus.
.
Now I will proceed to describe how the sliver of short fibres drawn
out by the revolving nipping apparatus may be united and guided
together with the slivers of the common drawing-off rollers. c, c, are
the drawing-off rollers for the revolving nipping apparatus; a¹ is the
leather sheet for the rollers a, a; b', the sheet belonging to the
rollers b, b. The sheet a¹ is guided around the first drawing roller c,
and the guide roller 62 for the shect b' is placed in contact with the
sheet a', applying an clastic pressure, required to join the three slivers
of top, which receive twist by the rotating funnel g, and are delivered to
the pressing rollers out of the machine, or to a common winding
apparatus. This combination will give the great advantage not to
interrupt the working of the comb if one of the slivers has a weak place,
or even if a sliver breaks if only the ends of fibres adhere to the leather
sheets.
Another modification of the same parts is shown at Figure 11, a¹,
b, c, being three leather sheets for the drawing rollers a, a, b, b,
and c, c.
In this arrangement the sliver from the nipping apparatus is
only united with the sliver of the inner circle B, the sliver from the
large circle A joining at the entrance of the revolving funnel g.
In combining the sliver of short fibres from the nipping apparatus
with those of the cleaned top from the circular carrying combs, it is
necessary to have the short fibres most perfectly combed. Now in
working ordinary carrying combs it is found that the projecting ends.
of fibres contain some portions of noil knots and impurities which
enter the fringe of the nippers. To take these noils out I employ
an intersecting combf called "nacteur" entering the projecting ends
of the short fibres before they arrive at the drawing-off rollers c, c,
as shown at Figure 10.
As the construction and manner of working this "nacteur" fare
fully described in the Patent of Charles Cowper above referred to, I
need not enter into the details of it.
I would here remark that I have shewn the revolving nipping
drawing apparatus applied to rotating circular combs, but I do not
confine myself to such combs as my present improvements are applic-,

page_text: able to other forms of travelling combs where a fringe of fibre is left
in the teeth of the combs by the drawing-off rollers, which fringe
may be taken hold of by the revolving nippers and drawn out in a
continuous sliver; and I would also remark that the forms and arrange-
ments of the parts may be greatly varied when carrying this part of my
Invention into practice without departing from the nature thereof.
What I claim is the drawing out of the fringe of fibrous material
projecting from the teeth of the combs after leaving the common
drawing-off rollers, and employing for this purpose one or more frictional
nipping apparatus, substantially as herein-before described.
I also claim the combination of parts for giving twist to the sliver
drawn out by the revolving nipping apparatus.
I also claim the combination of parts and the arrangement of leather
sheets for drawing, combining, and uniting the slivers of the revolving
nipping apparatus with the slivers from drawing-off rollers belonging to
the carrying combs.
I also claim the use of additional circular or segment combs called
"nactcurs " for combing and cleaning the fringe of short fibres drawn
out by the revolving nipping apparatus.
The Invention under the second part relates to improvements in a
machine known as "Noble's." In this machine one (or more) circular
combs rotate with another circular comb, and the sliver of fibrous
material is pressed into the teeth of those combs at the point of
tangential contact, and by the revolution of the combs the teeth of
one comb recede from those of the other; whereby the fringe of the
fibres held by one circle will be combed and drawn out from the
other circle. After the separation the projecting ends of cleaned fibres;
are drawn out by pairs of drawing rollers, and then delivered out of
the machine in the form of an endless sliver. The slivers of fibrous
material to be operated upon are arranged continuously around the
outer circular comb, and are fed or supplied through feeding boxes,
the number of which is 72 for the outer circle of 42 inches diameter.
My first improvement in this second part of my Invention consists
in arranging a greater number of feeding slivers and feeding boxes,
say from 96 to 144, whereby I am enabled to feed a greater quantity.

page_text: of fibrous material more uniformly than possible with a smaller number
of very strong slivers.
For the "Noble's comb" as at present constructed the ends of the
slivers are lifted out of the outer circular comb by inclined plates, and then
guided over a fixed cover plate to the dabbing brush, and it is found
that in feeding or guiding the slivers, as above stated, the ends lose
their straight position and sometimes overlap each other. Now to
remedy this evil I employ a revolving frictional disc working on a fixed
polished plate (knife) to take hold of the ends of the slivers for the
purpose of straightening the fibres before they are pressed into the combs
by the dabbing brush..
Figure 4, Sheet 1, shows a plan, and Figure 5, Sheet 2, a section
of a combing machine constructed on Noble's principle with some of
my improvements applied to it. A is the outer circular revolving comb
arranged to work in combination with only one inner revolving comb B.
The comb circle A may be of the ordinary construction, but I recommend
the employment of Bradley's Patent segment combs, as shown in the
Figures. The slivers of fibrous material to be combed are wound upon
bobbins c, c, resting on the rollers a, a, and conducted through the feed
boxes d, d. The feed boxes have a lifting up-and-down motion given
to them by means of an inclined plane, or otherwise; e, e, are "ploughs"
to lift the fibres out from amongst the teeth of the comb A; ƒ is the
fixed cover plate for guiding the fibres to the dabbing brush g; his a
revolving frictional disc working under clastic pressure on the fixed
polished plate k, Figure 3. This revolving disc h takes hold of the ends
of the slivers and straightens the fibres by reason of its speed being
greater at the circumference than the speed of the circular comb A, and.
by reason of the position of the fixed plate & set at an angle to the
movement of the comb A.
And my third improvement under the second part of my Invention
consists in giving motion to the dabbing brush for "Noble's," comb by
means of cams or tappets and levers driven by a shaft at the bottom of
the machine and dispensing with the driving shaft at the top above the
circular combs as hitherto in use. This improvement gives the advantage
of allowing a changing of the comb circles without the necessity of
removing the driving parts. This part of my improvements is shown
applied at Figures 4 and 5. is the dabbing brush fixed on the lever m

page_text: and receiving motion by the rod n and the lever o from the camp. This
cam is fixed on a shaft q receiving motion from the driving shaft by
the wheels 8, t, u. The shaft carries the fast pulley v and the loose
pulley w, and has its bearings in the frame of the machine below the
feed rollers a, a.
My fourth improvement relates to the application of keeping or
pressing plates for the inner circular comb of Noble's machine for trans-
ferring a greater quantity of fibres from the outer circle to the inner..
By this means I am enabled to draw the slivers from both combs of
about the same thickness, avoiding the very great wear of leather sheets
belonging to the drawing rollers of the outer comb. This part of my.
improvements is shown applied at Figures 4 and 5, a¹, a', being the
keeping plates, fastened to the slide pieces 6', 6'. These slides have an
up-and-down motion. on the standards c³, according to the thickness of
the fringe held by the comb B. If the weight of the plates a¹, a¹, and of
the sliding pieces b¹; 6'; will not give the necessary pressure to the fringe
a spiral spring may be used to regulate the same.
I also employ a
pressing plate e¹ in lieu of the brush d¹, Figures 4 and 5, at present in
use, for immersing the fibres in the large comb A previous to being pre-
pared by Bradley's segments, and I prefer the application of the same
well-known mechanical parts for giving an clastic sliding motion to the
knife e¹ only, the revolving cam e² being removed with the brush.
My fifth improvement consists in the employment of a circular
revolving brush for the inner circle of Noble's comb, and dispensing
with the tooth-armed revolving disc at present in use. The circular
brush will not only direct the points of fibres more perfectly to the.
drawing roller than the disc, but will at the same time clean the pro-
jecting ends of adhering knots and impurities. This part of the
improvements is shown applied in Figure 4, Sheet 1. B is the inner-
circular comb; f¹; the circular revolving brush. The means for clearing
this brush I have not thought it necessary to show, as they are the same
as those generally in use.
:
The sixth improvement for Noble's machine relates to the employ-...
ment of horizontal rollers to draw out the fibres of the inner circular.
comb. This part of the improvements is shown applied at Figures 4
and 5. g, h, are the fluted drawing rollers. is an endless leather:
sheet guided by the roller k¹, and held in tension by the roller ; m is

page_text: another leather sheet guided over the rollers n', o'. The fibres coming
from the drawing rollers g', ', are guided between the two bands i¹ and
m¹ to the revolving funnel p', where they will join the sliver from the
circle A, and then be delivered to the pressing rollers q', q', r¹, r; and
from there either through a channel s¹ in a coiler or can, or to a winding
frame as commonly in use for Noble's combs. Motion is transmitted to
the drawing-off roller g¹ from the driving shaft by a belt t¹ and tho
spur wheels u¹, v³, wo¹. The drawing-off rollers 6, 6, for the large circular
comb A are of the ordinary construction, but are provided with the
stopping motion, described under the first part of my improvements
under the first head of this Invention, the letters being the same as
above employed.
The seventh improvement for Noble's comb has reference to means
for cleaning the projecting ends of fibres before they are drawn out by
the drawing-off rollers.
In the practical working of Noble's machine it is found that some
portions of noil, knots, bits, or other matters become placed in the space
betwixt the two circles of teeth, and consequently are not combed out,
but remain in the ends projecting from the circular combs and go in the
top when the sliver is drawn out. To remedy this evil I employ two
intersecting segmental combs, one for the outer circular comb and
another for the inner circle. The teeth of the segments pointing in a
direction opposite to those in the carrying combs. These segmental
combs enter into the ends of the fibrous material projecting from the
circular combs before being drawn off, and will consequently prevent
noils and impurities escaping with the top. This part of my Invention
is illustrated at Figures 12 and 13, Sheet 3, representing a combing
machine constructed on Noble's principles in the same manner as the
machine Figures 4 and 5, such parts which correspond with similar parts
of the above-described machine are marked with the same letters
employed therein. A¹ is the intersecting comb (nacteur) for the outer
circular comb A, B¹, the nacteur for the inner comb B. These combs A¹
and B¹ are constructed in segments, so as to be capable of rising and
falling by means of cam surfaces and trucks. The segments A' slide in
dovetailed grooves of the drum c² applied to the large rotating plate d²
by the standards e². The vertical motion of the segments A' is obtained
by the studs f' and trucks g³ resting and revolving over the fixed guiding
bar h³. The segments B¹ slide in dovetailed grooves of the drum a²,

page_text: receiving regular rotating motion by the strong shaft 2. The up-and-
down motion of the segments B¹ is obtained by the trucks m² resting and
revolving over the guiding bar n² affixed to the framework of the
machine by standards O³. The operation of these nacteurs is as follows:-
After the separation of the projecting ends of cleaned fibres held by the-
circular combs A and B, and before the drawing out of these fibres, the
segments A' and B¹ will in their rotation fall down in the fringe of pro-
jecting ends, and thus the fibres when seized by the drawing rollers will
be drawn through the segment combs A¹ and B', the teeth of which will
intercept all noils and burrs and impurities still contained in the
projecting ends.
Having now described the nature of this improvement and the
manner of carrying the same into effect, I wish it to be understood that
under this part of my Invention I claim the application of segmental
nacteurs for the outer and the inner circular comb of Noble's machine,
constructed and operating in the manner above described.
The last part of my Invention consists in the general combination of
the various improvements above described; and although I do not confine
myself to any precise arrangement I prefer to employ them in a Noble's
machine, having an inner circular comb of larger diameter than hitherto
in use, say about half to two-thirds of the diameter of the outer circle,
and having the driving parts and pullies at the botton of the
machine..
In witness whereof, I, the said Arnold Lohren, have hereunto set
my hand and seal, this Thirty-first day of October One thousand