MACHINERY FOR THE MANUFACTURE OF NETS OR NETWORK
Year: 1884

page_text: шарпиногу от ише напиша пише от INOLA OT NOUwork,
I, HERBERT JOHN HADDAN, of the firm of Herbert and Company, Patent
Agents, of 67, Strand, in the City of Westminster, Civil Engineer, do hereby
declare the nature of said invention for MACHINERY FOR THE MANUFACTURE OF
NETS OR NETWORK, a communication to me from abroad by H. Heyerdahe, of
Christiania, Norway, Gentleman, to be as follows:—
The improved machine is constructed as follows:
On a horizontal driving shaft A are mounted two discs a, one on the right and
one on the left side of the machine, each of which has an oval groove into which
projects a pin on the short arm b of a bell crank lever B pivoted on a horizontal
stud. The longer arm of each bell crank lever carries at its extremity a horizontal
rod c and imparts to the same its oscillating motion. As that part of the eccentric
groove of the disc which is situated nearest to its axis as well as that situated
furthest from the axis (diametrically opposite to the first) is curved concentrically
to the axis, the oscillating lever will remain for some time in each of its extreme
positions.
The oscillating rod c cárries along its length a series of short pipes or perforations d
through which pass the threads shown in the drawing by dash and dot lines.
On one side of the machine is mounted a grooved disc C receiving rotary motion
from the driving shaft A of the machine by means of toothwheels.
The groove of this disc has a special shape, shown by Fig. 4, and receives a pin
or stud secured to one end of a slotted lever j (or to a slide) which has its fulcrum
at h.
The slot of said lever receives a pin secured to the right end of the rod c, thereby
imparting to the latter a to-and-fro motion in the direction of its axis. The groove
of the disc is shaped so that during every revolution of the same the oscillating
rod c performs four to-and-fro motions, every time forming half a knot, therefore
at every revolution two knots, one right and one left. One of the principal parts
of the machine is a horizontal roller D occupying nearly the whole length of the
machine between the stands and having two sets of circumferential grooves. In
the smaller grooves move the shuttles.

page_text: The roller has also two longitudinal grooves 81 and 82 at a circumferential
distance from each other equal to the are on which the shuttles are moving,
Fig. 22.
The width of the said tubes d is such that the latter may easily pass between
the wide circumferential groves d 1 of the roller.
Another eccentrically grooved disc f mounted on the driving shaft A imparts
oscillating motion to a lever e by means of a pin e 1 and thereby to a chain e 2
passing over the rollers D¹ and D, thus setting in motion the grooved roller D
adapted to oscillate about 120°. A long upright lever g (Fig. 2) is provided near
the middle of its length with a stud projecting into another grooved disc k, and
imparts to the levers h and ii the motion required to secure the desired tension of
the thread passing through the short tubes or perforations d.
A flat disc n raises at every revolution a weighted lever o by means of a slotted
lever and link, and causes another link connected with the same slotted lever to
turn a ratchet wheel by means of a pawl p; and the number of teeth of said
ratchet wheel determines the size of the meshes.
On the same axle is mounted a disc C having two diametrically opposite notches
and which allows a lever r 1 to turn on its pivot twice during each revolution,
and the brake q 2 on the roller S over which passes the yarn is thus lifted twice
during every revolution of the disc C, whereby the arms i are enabled to draw the
thread forward.
Each of the shuttles S1 consists of a metallic casing holding a flat reel formed by
two discs of sheet metal, as shown in Fig. 22. Each shuttle has a tongue s3
projecting into one of the grooves of the horizontal roller, while it abuts on the
opposite side against a fixed iron rail x, Figs 2 and 2ª.
Three levers t the upper ends of which are horizontally connected so as to form
a system or mechanism immediately under the shuttles, receive from grooved
discs U periodical short rotary motion, so that the entire row of shuttles is slightly
lifted at the moment when the thread passes between the shuttles and the point of
contact with the fixed iron rail x. An eccentric roller y, mounted near the upper
end of the oscillating lever B, and provided with a cam z (Fig. 9) having a notch
for every mesh, receives a short turn to the left, which allows the knots just formed
to be drawn down.
The knot which the machine produces may be made by hand in three stages.
The first or rough form of knot is produced by making with a thread two successive
loops over a second or straight thread, the extremities of the looping thread being
parallel to each other on the same side of and perpendicular to the straight thread,
while the loops are situated symmetrically right and left of the two straight ends
of the looping thread, see Fig. 5.
The second stage is obtained by pulling the ends of the straight thread at a right
angle, so as to come nearly in line with the extremities of the looping-threads
Fig. 6.
The completion of the mesh is obtained by throwing back the two loops (which
are joined together across the extremities of the looping thread) at an angle of
about 180° to their original position, so as to arrive on the opposite side of the
previously straight thread (Fig. 7).
The method by which the knots are formed by the machine, is illustrated by
Figs 22 to 27, which represent six consecutive positions of the oscillating lever B,
the grooved disc a and the roller D. In Figs 23 to 27 the upper part of the lever B
is broken off.
Let Fig. 22 be the starting point.
By the rotation of the shaft A the short lever b is brought down into the position
of Fig. 23, and consequently the pipes d arrive at the top of the roller D, and they
remain in this position while the disc a turns from 3 to 4. At the same time the
roller D is turned until the extremities of the pipes d are situated in the groove 81,
as shown in Fig. 23.

page_text: In this position the pin c 2 of the lever or guide plate j, see Figs 3 and 30, has
entered the projecting portion or lateral deviation of the groove in the disc C (see
Fig. 31) and remains in it until the disc a has turned from to 3. The motion
imparted to the pin c 2 and therefore to the bar e and the pipes d is equal to the
pitch of the grooves in the roller D, and the thread at the mouth of each pipe is
thereby guided from the respective circumferential groove into the next groove, as
represented by Fig. 23º.
As soon as this has taken place, the roller D turns back, so that s 2 takes the
position previously occupied by s 1, as shown by Fig. 24. Then the pin c 2 recedes
into the original position corresponding to Fig. 22, and consequently pipes & return
into the grooves in which they were previously situated.
By this motion each thread has been laid around one of the circumferential
ridges or segments formed by the grooves of the roller D.
By the further rotation. of shaft A the bell-crank lever B is caused to recede
again, and the roller D now returns into the original position represented by
Fig. 22, which is also shown by Fig. 25. By this motion the loop laid around the
segmental ridge is placed in front of the shuttle, and can now be drawn over the
shuttle by the further receding of the pipes d, see Fig. 26.
The bell crank lever now occupies the original position represented by Fig. 22
and also by Fig. 27 and remains there while the disc a turns from 1 to 2. In the
meantime the two-armed lever i has always obtained the motion necessary for
giving to the thread the required strain, so that the loop slips over the circumference
of the shuttle and is finally tightened and given such a strain, that m, which
formerly made the loop over n, becomes quite straight and forces the shuttle thread n
to turn itself into a loop round m, as illustrated by Fig. 28.
The whole cycle of motions is now repeated, but so, that the shifting of the
pipes d takes place in the opposite direction, having been previously caused by
the part 1, and now by the part 2, as seen in Figs 4 and 29.
By the first tightening of the loop (see Fig. 28) the excentric y does not open, as
shown in Fig. 27, but only opens, when the second loop is drawn over. At this
point the disc C, comes into action, so that the brake block q 2 is lifted and there-
fore there cannot be the same tension of the thread m as in the first loop, and
therefore the shuttle thread n is not turned over, as in Fig. 28. As soon as the
brake block q 2 is lifted, the pawl p advances one tooth of the ratchet wheel, and
therefore takes down the finished knot.
100K

page_text: Machinery for the manufacture of Nets or Network.
I, HERBERT JOHN HADDAN, of the firm of Herbert and Company, Patent Agents,
of 67 Strand, in the City of Westminster, Civil Engineer, do hereby declare the
nature of said invention for MACHINERY FOR THE MANUFACTURE OF NETS OR
NETWORK, a communication to me from abroad by H. Heyerdahe, of Christiania,
Norway, Gentleman, and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement :-
The improved machine is illustrated by the drawings filed with the provisional
specification and is constructed as follows:
On a horizontal driving shaft A are mounted two discs a, one on the right and
one on the left side of the machine, each of which has an oval groove, into which
projects a pin on the short arm b of a bell crank lever B, pivoted on a horizontal
stud. The longer arm of each bell crank lever carries at its extremity a horizontal
rod c and imparts to the same its oscillating motion. As that part of the eccentric
groove of the disc, which is situated nearest to its axis, as well as that situated
farthest from the axis (diametrically opposite to the first) is curved concentrically
to the axis, the oscillating lever will remain for some time in each of its extremo
positions.
The oscillating rod c carries along its length a series of short pipes or perfora-
tions d, through which pass the threads shown in the drawing by dash and
dot lines.
On one side of the machine is mounted a grooved disc C, receiving rotary motion
from the driving shaft A of the machine by means of toothwheels.
The groove of this disc has a special shape, shown by Fig. 4, and receives a
pin or stud secured to one end of a slotted lever j, or to a slide, which has its
fulcrum at h.
The
The slot of said lever receives a pin, secured to the right end of the rod c,
thereby imparting to the latter a to and fro-motion in the direction of its axis.
groove of the disc is shaped so that during every revolution of the same the
oscillating rod c performs four to-and fro-motions, every time forming half a knot,
therefore at every revolution two knots, one right and one left. One of the
principal parts of the machine is a horizontal roller D, occupying nearly the
whole length of the machine between the stands and having two sets of circum-
ferential grooves. In the small grooves move the shuttles.
The roller has also two longitudinal grooves s' and 82 at a circumferential
distance from each other equal to the arc, on which the shuttles are moving,
Fig. 22.
The width of the said tubes d is such, that the latter may easily pass between
the wide circumferential grooves d¹ of the roller.
Another eccentrically grooved disc f, mounted on the driving shaft A, imparts
oscillating motion to a levere by means of a pin e¹ and thereby to a chain e²,
passing over the rollers D' and D, thus setting in motion the grooved roller D,
adapted to oscillate about 120°. A long upright lever g (Fig. 2) is provided near
the middle of its length with a stud, projecting into another grooved disc k, and

page_text: imparts to the levers h and ii the motion required to secure the desired tension of
the thread passing through the short tubes or perforations d.
A flat disc n raises at every revolution a weighted lever o by means of a slotted
lever and link, and causes another link connected with the same slotted lever to
turn a ratchet-wheel by means of a pawl p; and the number of teeth of said
ratchet wheel determines the size of the meshes.
On the same axle is mounted a disc c', having two diametrically opposite notches
and which allows a lever r to turn on its pivot r twice during each revolution, and
the brake q on the roller S, over which passes the yarn, is thus lifted twice
during every revolution of the disc C, whereby the arms i are enabled to draw the
thread forward.
Each of the shuttles S consists of a metallic casing, holding a flat reel formed
by two discs of sheet metal, as shown in Fig. 22. Each shuttle has a tongue &³,
projecting into one of the grooves of the horizontal roller, while it abuts on the
opposite side against a fixed iron rail x. Figs. 2, and 2".
Three levers t, the upper ends of which are horizontally connected so as to form
a system or mechanism immediately under the shuttles, receive from grooved
discs U periodical short rotary motion, so that the entire row of shuttles is slightly
lifted at the moment, when the thread passes between the shuttles and the point
of contact with the fixed iron rail x. An eccentric roller y, mounted near the
upper end of the oscillating lever B, and provided with a cam Z (Fig. 9) having a
notch for every mesh, receives a short turn to the left, which allows the knots just
formed to be drawn down.
The knot, which the machine produces, may be made by hand in three stages.
The first or rough form of knot is produced by making with a thread two
successive loops over a second or straight thread, the extremities of the looping
thread being parallel to each other on the same side of and perpendicular to the
straight thread, while the loops are situated symmetrically right and left of the
two straight ends of the looping thread see Fig. 5.
The second stage is obtained by pulling the ends of the straight thread at a
right angle, so as to come nearly in line with the extremities of the looping
threads Fig. 6.
The completion of the mesh is obtained by throwing back the two loops (which
are joined together across the extremities of the looping thread) at an angle of
about 180° to their original position, so as to arrive on the opposite side of the
previously straight thread (Fig. 7).
The method, by which the knots are formed by the machine, is illustrated by
Figs. 22 to 27, which represent six consecutive positions of the oscillating lever B,
the grooved disc a and the roller D. In Figs. 23 to 27 the upper part of the
lever B is broken off.
Let Fig. 22 be the starting point.
By the rotation of the shaft A, the short lever b is brought down into the position
of Fig. 23 and consequently the pipes & arrive at the top of the roller D, and they
remain in this position while the disc a turns from 3 to 4. At the same time the
roller D is turned, until the extremities of the pipes d are situated in the groove 8¹,
as shown in Fig. 23.
In this position the pin c² of the lever or guide plate j, see Figs. 3 and 30, has
entered the projecting portion or lateral deviation of the groove in the disc C (see
Fig. 31) and remains in it, until the disc a has turned from 4 to 3. The motion,
imparted to the pin c², and therefore to the bar e and the pipes d, is equal to the
pitch of the grooves in the roller D, and the thread at the mouth of each pipe is
thereby guided from the respective circumferential groove into the next groove,
as represented by Fig. 23a.
As soon as this has taken place, the roller D turns back, so that s² takes the
position previously occupied by 8¹, as shown by Fig. 24. Then the pin c² recedes
into the original position, corresponding to Fig. 22, and consequently pipes & return
into the grooves, in which they were previously situated.

page_text: By this motion each thread has been laid around one of the circumferential
ridges or segments, formed by the grooves of the roller D.
By the further rotation of shaft A, the bell-crank lever B is caused to recede
again, and the roller D now returns into the original position represented by
Fig. 22, which is also shown by Fig. 25. By this motion the loop laid around the
segmental ridge, is placed in front of the shuttle, and can now be drawn over the
shuttle by the further receding of the pipes d, see Fig. 26.
The bell crank lever now occupies the original position represented by Fig. 22,
and also by Fig. 27 and remains there, while the disc a turns from 1 to 2. In
the meantime the two-armed lever i has always obtained the motion necessary for
giving to the thread the required strain, so that the loop slips over the circum-
ference of the shuttle and is finally tightened and given such a strain, that m,
which formerly made the loop over n, becomes quite straight and forces the shuttle
thread n to turn itself into a loop round m, as illustrated by Fig. 28. The whole
cycle of motions is now repeated, but so that the shifting of the pipes d takes
place in the opposite direction having been previously caused by the part 1", and
now by the part 2, as seen in Figs. 4 and 29.
By the first tightening of the loop (see Fig. 28) the eccentric y does not open,
At this
as shown in Fig. 27, but only opens, when the second loop is drawn over.
point the disc C comes into action, so that the brake block q2 is lifted and there-
fore there cannot be the same tension of the thread m as in the first loop, and
therefore the shuttle thread n is not turned over, as in Fig. 28. As soon as the
brake block q2 is lifted, the pawl p advances one tooth of the ratchet wheel, and
therefore takes down the finished knot.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is
1. The method of forming loops or knots.
2. The combination of mechanism for the formation of loops or knots.
3. The combination of oscillating rod c, with roller D.
4. The construction of roller D.
5. The combination of mechanism for imparting motion to the oscillating rod c.
6. The combination of mechanism for imparting motion to the roller D.
7. The combination of rod c with roller D and shuttles S.
8. The combination of shuttles S with mechanism for operating the same.
9. The combination of mechanism for producing or regulating the tension of the
threads.
10. The general arrangement of the entire machine.
The whole substantially as described and illustrated.