Improvements in Embroidering Machines.
Year: 1887

page_text: Date of Application, 26th Oct., 1887
Complete Specification Left, 13th July, 1888
Complete Specification Accepted, 26th Oct., 1888
[Communicated from abroad by Messrs. WIRTH & Co.. of Frankfort-on-the-Main,
acting as Agents of Sauer and Sons, of Arbon, Switzerland, Manufacturers.]
Improvements in Embroidering Machines.
I, HENRY HARRIS LAKE, of the firm of Haseltine, Lake & Co., Patent Agents,
Southampton Buildings in the County of Middlesex do hereby declare the nature
of this invention to be as follows:-
-
My invention relates to automatic shuttle embroidering machines.
In the automatic shuttle embroidering machine forming the subject of the present
invention which is to be used for embroidering upon fabrics small designs such as
points, stars, leaves and similar figures, the motion of the embroidering frame
necessary for this purpose, is produced not as in the embroidering machines heretofore
used by guiding a pantograph over a pattern for embroidering, but by pattern discs'
in combination with a stitch disc, which discs, on the change of a pattern, must like-
wise be exchanged.
Motion is imparted to the machine by means of pulleys which are connected by a
belt with suitable transmitting gear, or direct with a motor. The said pulleys together
with a toothed wheel and pinion connected with them, run loose upon the driving
shaft. The said toothed wheel engages with a pinion keyed upon a second shaft upon.
which is also fixed a second toothed wheel which engages with the pinion on the
driving shaft, so that according as the driving belt is shifted by a fork upon one or
the other of the pulleys, the second shaft to which is also secured a wide pulley makes
a greater or less number of revolutions. When for example the belt is put upon the
pulley to which the pinion is secured the second shaft is set in rotation by the said
pinion, and the number of its revolutions is now less. When, on the other hand, the
belt is put upon the pulley to which the toothed wheel is fixed the second shaft is
caused to rotate by the said wheel, and in this case the number of revolutions of the
same is greater.
1
The rotation of the second shaft is transmitted by the wide pulley to one or the..

page_text: other of two pulleys, one of which is loose and the other fixed upon a third shaft.
From the fixed pulley or from the third shaft itself, the motion of the whole mechanism
is effected. When the latter is to be put out of action, the belt is shifted upon the
loose pulley. Upon the front end of the said third shaft is firmly secured a disc on
which is arranged an adjustable pawl, by which, during every rotation of the said
shaft a ratchet wheel upon a fourth shaft is caused to be intermittently rotated. A
second pawl is connected by a spring with the first pawl and acts only as a safety
catch. Upon the shaft, on which the ratchet wheel is fixed is also firmly secured the
pattern discs, so that during every revolution of the third shaft, they likewise make a
partial rotation with the said ratchet wheel. By these pattern (lises the stuff frame is
caused to make a motion in a vertical as well as horizontal direction, and on the shape
or on the undulated periphery of these discs depends the pattern to be embroidered
in each case.
The said stuff frame is moved by the pattern discs in the following manner:
(Firstly). The motion of the stuff frame in a vertical direction.
Upon the edge of the first disc is arranged a friction roller carried by the end
of a lever which is keyed upon the front end of a fifth shaft. The said shaft
is supported so that it can turn, and is provided with lateral arms, upon which
the stuff frame is supported by wheels. When turning the said pattern disc, the
lever, by means of the undulating edge of the said disc, is caused to move through
a greater or less angle, this motion is transmitted to the fifth shaft, so that the
latter makes a partial rotation, in which, according as this takes place from
the right to the left or vice versa, the stuff frame standing upon the arms makes an
up or down motion. Upon the said shaft is moreover arranged a balance lever,
with which a spring secured on the machine frame is connected. By the power
of the said spring the weight of the stuff frame is for the most part balanced,
consequently the lever with the friction roller does not bear too strongly against
the first pattern dise.
(Secondly). The motion of the stuff frame in the horizontal direction.
Upon the second pattern dise is placed, with the friction roller, an irregular shaped
bell-crank lever adapted to turn upon a pivot in a bracket attached to the machine;
with one end of this bell crank lever is connected a draw rod which in turn is con-
nected with the stuff frame. The bell-crank lever is drawn down, by suitable springs
so that the friction roller secured to the said lever always bears firmly upon the edge
of the second pattern disc. Accordingly as the latter is turned, the friction roller of
the said lever passes upon a higher or lower point of the undulating edge of the said
pattern disc, the upright arm of the bell-crank lever is thereby caused to turn upon
its pivot and this motion is transmitted by the draw-rod to the stuff frame so that the
latter moves in a horizontal direction either from the right to the left or vice versa, it
being displaced from the right to the left when the friction roller passes upon a deeper
point of the edge of the pattern disc and from the left to the right when the friction
roller passes upon a higher point of the edge of the said pattern disc. After each
motion of the stuff frame a momentary stop of the same occurs, during which the for-
mation of the stitch is effected, and the ratchet-wheel is so constructed together with the
pattern discs that in a full rotation of the same each time the distinct design, whether
it be a point, star, leaf, or the like, is finished. The design, according to the number of
the needles, is repeated in a horizontal row upon the stuff.
In order to embroider a new row of the same design, the transport of the stuff as well
as a lateral displacement of the stuff frame by which a displacement of the several
points stars, or the like, takes place relatively to the same is necessary. If the points
of the first row for example have been embroidered by the machine, the points of the
second row are not to be immediately below these, but are to be shifted on to the
intermediate space, between these points and for this purpose the stuff frame must
make alternately, from row to row, first a displacement from the left to the right and
then inversely from the right to the left.
But in order to enable the transport of the stuff as well as the motion of the stuff
frame or to gain the necessary time for these, so that the tearing of the stuff shall

page_text: not be be caused through any advance of the needles it is necessary that the speed of
the machine should be reduced which is effected by shifting at this moment the
transmitting belt from one to the other of the pulleys on the driving shaft by means
of the fork.
The said fork is shifted automatically and can be effected in many different ways,
for example, the fork may constitute one end of a double-armed lever supported so
as to be able to turn, whilst the other end of this lever engages with the curved
groove of a cam arranged upon the fourth shaft and caused to turn with the
latter.
As soon as the speed of the machine, in consequence of the translocation of the belt
from one pulley to another has been reduced a displacement of the stuff itself takes
place in the vertical direction, namely to the extent which corresponds to the distance
between two consecutive rows of points, stars or the like as well as a lateral displace-
ment of the stuff frame on which the displacement of the design is dependent.
The transport of the stuff is effected in the following manner. The stuff is stretched
on the frame. It is wound upon rollers and the said rollers are placed in the frame,
the stuff is then passed over lower guide rollers and from thence over other
guide-rollers to the receiving roller upon which the same, having been embroidered, is
wound. The part of the stuff placed between the lower guido rollers and the upper
set of guide rollers forms the embroidery surface proper, and is put under equally
strong tension so that a fold cannot occur at this place. Two of the upper guide-
rollers are provided at one end with toothed wheels that engage with each other. Upon
the journal of the intermediate roller of the upper set of guide rollers is moreover
arranged a ratchet wheel and also a double-armed lever capable of turning upon the
centre of the said intermediate roller as a pivot, and having two pawls which fall
between the teeth of the said ratchet wheel. One end of the lever is connected with
a vertical draw rod so that, ou drawing the latter down, the said roller is caused by
means of the double armed lever or by the pawl secured thereto to make a
partial rotation. This motion of the vertical draw rod is effected by the following
device.
Upon the end of the aforesaid fourth shaft is fixed a cam the edge of which is
provided with a raised part. A friction roller arranged at the end of one arm of a
bell crank lever bears upon the edge of this cam the said lever is adapted to turn
upon a short shaft firmly arranged on the frame of the machine. The other arm of
the said lever is connected by a draw rod with a lower bell crank lever pivoted to a
bracket attached to the frame of the machine. The lower arm of the said bell-crank
lever is connected by means of a horizontal draw rod with a fork. The latter
embraces an eccentric disc which can be displaced laterally upon the third shaft; the
said eccentric is however prevented from turning upon the said shaft by a groove and
key. The fork and excentric disc are kept in their normal positions by means of a
spiral spring. At the end of the short shaft is also pivoted a double armed lever one
end of which is provided with a roller whilst the other end of the same is in
connection with the vertical draw rod by a ball joint. If now during the rotation of
the cam the friction roller on the bell crank lever passes upon the raised part of the
said cam the said bell crank lever is caused to make a partial rotation upon its shaft
which motion is transmitted by a draw rod to the lower bell crank lever and through
the medium of the horizontal draw rod and fork to the eccentric disc thereby causing
the said disc to slide upon its shaft. During the rotation of the said shaft the
eccentric disc therefore passes below the end of the double armed lever which is
provided with the friction roller and lifts this lever. In consequence of this the other
end of the said lever must be depressed whereby the vertical draw rod connected
therewith is drawn down. By the drawing down of the said rod, the intermediate
rollers and the rollers connected with these by gear wheels, and also the upper roller
as already stated, are set in partial rotation, whereby the transport of the stuff is
effected from the bottom upwards. To the extent as the stuff is herein wound upon the
upper rollers, it unwinds from the lower rollers. As the upper and lower rollers
increase or din inish in circumference in proportion as the stuff is wound up or

page_text: unwound, break bearings must here be employed for the journals of the respective
rollers, in order to always enable the winding up of an equal quantity of stuff. Also
when the upper rollers increase in circumference no more stuff is wound upon these
than if they are of less circumference, because, as soon as in the winding up, the
stuff is sufficiently stretched, the break power of the break jaws or cheeks are
overcome by this tension, and the said jaws or cheeks now turn without resistance
upon the journals without being capable of causing the rollers themselves to make a
further rotation. The transport of the stuff is therefore always equable. As soon as
the roller passes from the raised part of the disc all the parts including the eccentric
are drawn back to their original position by the spring and the vertical draw rod is
also moved upwards again by the traction of the spring, the pawls secured to the
double-armed levers sliding over the teeth of the ratchet wheels.
The aforesaid motion of the frame is caused by the following device:
On the fourth shaft is the disc and also a spur pinion. The latter is in gear with
aspur wheel supported so that it can turn upon a journal on the disc, and which is
provided upon its rear side with a curved groove. The other side of the disc is pro-
vided with the channels or grooves. Moreover the disc has an incision which is of
dove tail shape in section, and in which is supported the sliding piece of corresponding
shape so that it can be moved up and down. The said sliding piece is on one side
provided with a sliding pin which engages through a slot extending completely through
the material of the disc with the curved groove of the toothed wheel supported on the
disc. On the other side the sliding piece is provided with the channels or grooves.
During the rotation of the fourth shaft and the rotation of the spur pinion which
takes place simultaneously with it, the spur wheel is also caused to make a revolution,
the latter making one revolution whilst the former makes two revolutions, as the spur
pinion is to the spur wheel in the proportion of 1:2. In the revolution of the said
spur wheel the sliding piece moves up and down by reason of the engagement of
the sliding pin with the curved groove of the spur wheel.
When the said sliding piece occupies its uppermost position a connection of the
outer groove arranged on the disc with the inner groove likewise provided on the
disc is established through the lower groove on the sliding piece. In the lowermost
position of the sliding piece a connection is established, by the upper groove formed
in the said sliding piece between the inner groove arranged upon the disc and the
outer groove.
In these grooves a friction roller slides, the said roller being placed
upon the end of a bell crank lever arranged upon the lever shaft so that it can turn
thereon, the other end of the said lever being hinged to a short vertical draw rod.
The said draw rod acts upon a toothed segment supported to be able to turn in the
irregular shaped bell crank lever this segment is in gear with a toothed pinion likewise
supported in the said lever. The bearing journals of the said pinion terminate in
small cranks with which the horizontal draw rod ending in a fork is connected. On
the short vertical draw rod being drawn downwards, the toothed segment turns upon
its pivot and the horizontal draw rod by reason of the engagement of the same with
the crank of the pinion makes a motion in the horizontal direction from the left to
the right thereby causing the stuff frame connected with the horizontal draw rod to
make a similar movement. If however the short vertical draw rod moves upwards,
the toothed segment turns in the opposite direction, and by virtue of the said con-
nection the horizontal draw rod makes with the stuff frame a motion, inverse to the
direction of previous one, from the right to the left; by which motions the said dis-
placement of the design is effected. The respective positions of the toothed segment
and of the pinion with the horizontal draw rod has no effect upon the subsequent
operation of the irregular shaped bell crank lever in the embroidering itself, inasmuch
as herein the said horizontal draw rod with the stuff frame follows in the manner
already set forthi, the motion of the said lever, no matter whether the stuff frame is
pushed by the above described device from the right to the left, or from the left to
the right.
The motion of the short vertical draw rod by which this displacement of the stuff
frame is effected is caused by the bell crank lever in such a manner that the

page_text: friction roller provided at one of its lever arms passes during the rotation of the
disc, by virtue of the said displacement of the sliding piece in the said disc, one
time from the outer groove into the inner groove, and then from the inner groove
again into the outer groove.
The stuff frame is guided in its upward and downward as well as lateral displace-
ments by means of rollers in the arms arranged above on the frame of the machine
whereas, as already observed, its hears below with its wheels upon the arms of the
fifth shaft.
The motion of the needles as well as the motion of the shuttle takes place in the
known manner from the third shaft, and the mechanism effecting the same does not
require here to be described, especially as it does not form the subject of a
claim.
It remains to be observed that the machine can be constructed with one, two or
more stories without thereby necessitating special changes in the mechanism
concerned.
As already stated a separate ratchet wheel and pattern discs are necessary for each
design so that they must be changed every time the design is changed.
IAL: 5cil
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1007
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London,
Agents for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in Embroidering Machines.
I, HENRY HARRIS LAKE, of the firm of Haseltine, Lake & Co. Patent Agents,
Southampton Buildings, in the County of Middlesex, do hereby declare the nature of
this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
My invention relates to automatic shuttle embroidering machines.
In the automatic shuttle embroidering machine forming the subject of the present
invention which is to be used for embroidering upon fabrics small designs such as
points, stars, leaves and similar figures, the motion of the embroidering frame
necessary for this purpose is produced, not as in the embroidering machines heretofore
used by guiding a pantograph over a pattern for embroidering, but by pattern dises
in combination with a ratchet disc, which discs, on the change of a pattern, must
likewise be exchanged.
In the accompanying drawings,
Figures 1 and 1 is a front elevation of the improved machine.
Figures 2 and 2" is a plan view of the same.
Figure 3 is an end elevation.
Figures 4 to 15 represent several parts of the machine in detail.
Motion is imparted to the machine by means of the pulleys U U which are
connected by a belt with suitable transmitting gear, or direct with a motor. The
said pulleys U U¹ together with a toothed wheel R and pinion T¹ connected with
them, run loose upon the driving shaft V. The said toothed wheel R engages with a
pinion T keyed upon a second shaft Z upon which is also fixed a second toothed
wheel R which engages with the pinion T¹ on the driving shaft, so that according as
the driving belt is shifted by a fork X upon one or the other of the pulleys U or U1
the shaft to which is also secured a wide pulley Y makes a greater or less number of
revolutions. When for example the belt is put upon the pulley U to which the
toothed wheel R is fixed the shaft Z is caused to rotate by the said wheel T, and in
this case the number of revolutions of the shaft Z and with it that of the wide pulley
are greater.
If the belt on the other hand is put on the pulley U the pinion T' drives the
toothed wheel R' and with it the shaft Z and the wide pulley Y at a less speed.
The rotation of the shaft Z is transmitted by the wide pulley Y to one or the
other of two pulleys E E', one of which is loose and the other fixed upon the shaft M.
From the fixed pulley E¹ or from the shaft M. itself, the motion of the whole mechanism
is effected. When the latter is to be put out of action, the belt is shifted upon the loose
pulley E.
Upon the front end of the said shaft M is firmly secured a disc L on
which is arranged an adjustable pawl F, by which, during every rotation of the said
shaft. Ma ratchet wheel A upon the shaft "W is caused to be intermittently rotated.
A pawl F is connected by a spring with the pawl F and acis only as a safety catch.
Upon the shaft W, on which the ratchet wheel A is fixed are also firmly secured the
pattern discs B, B¹, so that during every revolution of the shaft M, they likewise

page_text: make a partial rotation with the said ratchet wheel A. By these pattern dises the
stuff frame G is caused to make a motion in a vertical as well as horizontal direction,
and on the shape or on the undulated periphery of these discs depends the pattern to
be embroidered in each case.
The said stuff frame G is moved by the pattern discs B, 13¹ in the following
manner.
Firstly. The motion of the stuff frame in a vertical direction.
Upon the edge of the first disc B, see Figures 2 and 3, is arranged a friction
roller carried by the end of a lever which is keyed upon the front end of the
shaft D.
The said shaft D is supported so that it can turn, and is provided with lateral
arms A' A' see Figures 1 and 2, upon which the stuff frame G is supported by
wheels O.
When turning the said pattern disc B the lever C by means of the undulating edge
of the said disc B, is caused to move through a greater or less angle, this motion
is transmitted to the shaft D, so that the latter makes a partial rotation, in which,
according as this takes place from the right to the left or vice versa, the stuff
frame G standing upon the arms A¹ makes an up or down motion.
Upon the said shaft D is moreover arranged a balance lever C₁ see Figure 2, with
which a spring B² secured on the machine frame is connected. By the power of the
said spring the weight of the stuff frame G is for the most part balanced, consequently
the lever with the friction roller does not bear too strongly against the first
pattern disc B.
Secondly. The motion of the stuff frame in the horizontal direction.
Upon the second pattern disc B₁ is placed, with the friction roller an irregular
shaped bell-crank lever H see Figures 1, 2 and 3, adapted to turn upon a pivot X in
a bracket attached to the machine with one end of this bell crank lever H is connected
a draw rod c which in turn is connected at y' with the stuff frame G. The bell-crank
lever His drawn down, by suitable springs f, so that the friction roller secured
to the said lover H always bears firmly upon the edge of the second pattern disc B¹.
Accordingly as the latter is turned, the friction roller of the said lever I passes
upon a higher or lower point of the undulating edge of the said pattern disc the
upright arm of the bell crank lever H is thereby caused to turn upon its pivot and
this motion is transmitted by the draw rod c to the stuff frame G so that the latter
moves in a horizontal direction either from the right to the left or vice versa it being
displaced from the right to the left when the friction roller passes upon a deeper
point of the edge of the pattern disc and from the left to the right when the
friction roller passes upon a higher point of the edge of the said pattern disc.
After each motion of the stuff frame a momentary stop of the same occurs, during
which the formation of the stitch is effected, and the ratchet wheel A is so constructed
together with the pattern discs B and B' that in a full rotation of the same each time
the distinct design, whether it be a point, star, leaf or the like, finished.
The design, according to the number of the needles, is repeated in a horizontal row
upon the stuff.
In order to embroider a new row of the same design, the transport of the stuff as
well as a lateral displacement of the stuff frame G, by which a displacement of the
several points, stars, or the like, takes place relatively to the same is necessary.
If the points of the first row, see Figure 14, for example have been embroidered by
the machine, the points of the second row are not to be immediately below these but
are to be shifted to the intermediate space, between these points and for this purpose
the stuff frame must make alternately from row to row, first a displacement from the
left to the right and then inversely from the right to the left.
But in order to enable the transport of the stuff as well as the motion of the stuff
frame or to gain the necessary time for these so that the tearing of the stuff shall not
be caused through any advance of the needles it is necessary that the speed of the
machine should be reduced which is effected by shifting at this moment the transmitting
belt from the pulley U to the pulley U¹ in the driving shaft by means of the fork X.

page_text: The said fork is shifted automatically and can be effected in many different ways,
for example, the fork may constitute one end of a double-armed lever supported so as
to be able to turn, whilst the other end of this lever engages with a boss arranged
upon a disc rotating with the shaft W and caused to turn with the latter.
This condition is represented in Figures 2 and 3 of the accompanying drawing in
which ex c is the double armed lever the longer arm carrying the fork and the
shorter arm being provided at its top end with a friction roller which presses
against the disc K (see Figure 2) this disc K is provided with a boss a* which
passing under the friction roller of the short lever 6x shifts the belt from the pulley U
to U. As soon as the boss a* has passed away from under the friction roll the
spring d (see Figure 2) draws the belt-fork back again to its original position the
belt is thus reshifted to the pulley U. The length of the boss a* must correspond at
the time taken in moving the belt because as soon as the friction roll of the short
lever bhas passed the same the belt is shifted.
As soon as the speed of the machine in consequence of the shifting of the belt from
the pulley U to the pulley U' has been reduced a displacement of the stuff itself takes
place in the vertical direction, namely to the extent which corresponds to the distance
between two consecutive rows of points, 1 and 2 see figure 14, as well as a
lateral displacement of the stuff frame in which the displacement of the design is
dependent.
The transport of the stuff Figures 1, 3 and 11 is effected in the following
manner.
The stuff is stretched on the frame as shown in Figure 11. It is wound upon
rollers D and the said rollers are placed in the frame, the stuff is then passed over
lower guide rollers G¹ and from thence over the other guide rollers T and F to the
receiving roller E2 upon which the same, having been embroidered, is wound. The
part of the stuff placed between the lower guide rollers G and the upper set of guide
rollers T and F forms the embroidery surface proper and is put under equally strong
tension so that a fold cannot occur at this place.
The two upper guide-rollers T and FI are provided at one end at H³ see Figure 1
with toothed wheels that engage with each other.
Upon the journal J¹ of the intermediate roller F" of the upper set of guide rollers
is moreover arranged a ratchet wheel Figures 1, 3 and II and also a double armed
levers capable of turning upon the centre of the said intermediate roller F as a
pivot, and having two pawls which fall between the teeth of the said ratchet
wheel t.
One end of the levers is connected with a vertical draw rod see Figures 13
and 11 so that on drawing the latter down, the said roller F" is caused by means of
the double armed lever s and by the pawi secured thereto to make a partial rotation.
This motion of the vertical draw rod is effected by the following device.
Upon the end of the before described shaft W is fixed a cam Psee Figures 1, 2, 12
and 13, the edge of which is provided with a raised part see Figures 12 and 13.
A friction roller arranged at the end of one arm of a bell crank lever o bears upon the
edge of this cam the said lever is adapted to turn upon a short shaft K¹ firmly
arranged on the frame of the machine. The other arm of the said lever o is connected 4
by a joint c and draw rod u with a lower bell crank lever k pivoted at f¹ to a bracket
attached to the frame of the machine. The lower arm of the said bell crank
lever K is connected by means of a horizontal draw rod and joint with a
fork m.
The latter embraces an excentric disc which can be displaced laterally upon the
shaft M; the said excentric is however prevented from turning upon the said
shaft M by a groove and key. The fork mand excentric disc are kept in their
normal positions by means of a spiral spring which is represented in Figures 1
and 12. At the end of the short shaft K is also pivoted a double armed lever p one
end of which is provided with a roller whilst the other end of the same is in connection
with the vertical draw rod a by a ball joint.
If now during the rotation of the cam P the friction roller a' on the bell crank

page_text: lever passes upon the raised part of the said cam the said bell crank lever O is
caused to make a partial rotation upon its shaft K which motion is transmitted by a
draw rod u to the lower bell crank lever k through the medium of the horizontal draw
rody and fork m to the excentric disc thereby causing the said disc to slide upon
its shaft M in the direction shown by the arrow in Figure 12.
During the rotation of the said shaft M the excentric disc therefore passes below
the end of the double armed lever which is provided with a friction roller and lifts
this lever. In consequence of this the other end of the said lever must be depressed
whereby the vertical draw rod z connected therewith by the before named ball joint
is drawn down. By the drawing down of the said rode the intermediate rollers F
and the roller T connected with these by gear wheels, and also the upper roller E² are
set in partial rotation whereby the transport of the stuff is effected from the bottom
upwards in the direction of the arrow shown in Figure 11. To the extent as the stuff*
is herein wound upon the upper rollers E it unwinds from the lower rollers.
As the upper rollers E2. E increase and the lower rollers D1 D¹ diminish in circum-
ference in proportion as the stuff is wound upon the one or unwound from the other,
break bearings * n* are employed here for the journals of the rollers D* D*, and f* f
for the journals of the rollers E2 E2 in order to always enable the winding up of an
equal quantity of stuff. Also when the upper rollers increase in circumference
no more stuff is wound upon these than if they are of less circumference, because, as
soon as the stuff is sufficiently stretched in the winding up the break power of the
break jaws or cheeks f*f* now turn without resistance upon the journals without
being capable of causing the rollers E2 E themselves to make a further rotation.
The transporting motion is given from the draw bar X to the rolls T T and F¹
which effect the transport of the stuff by friction, it passing over one half of the
surface of the rolls T T and over two thirds of the surface of the roller F¹ the
amount of tension given to the stuff being regulated by the break bearings n* n*
of the rollers D¹ being set with their draw up screws to give the required resistance
to the rotation of the said rolls. The spiral springs Ox and long lever arms of the
break bearings n only being provided to allow the rollers D a little more play in
adjusting themselves to the pull of the stuff. They may however be dispensed
with. The rollers E2 E2 are operated from the draw bar X in the following manner.
To the draw bar X is attached a horizontal adjustable arm * which descending with
the same, comes in contact with the adjustable horizontal arm 4* which is thus also
caused to descend and together with it the vertical bar gx thus extending the spring /*
connected at * with the said bar gx and with its other end to the frame of the
machine. The ends of the bar * are connected with the lever arms e* ex provided
with break bearings holding the journals of the rollers E E². The rollers E E²
are provided with ratchet wheels into which pawls fall which are attached at their
pivot ends to the frame of the machine in this manner the rollers EE are held firm
and the stuff prevented from unwinding during the descent of the rod g*. As soon
however as the draw rod X moves up and thus liberates the rod * the spring (*
draws the latter up and together with it. the lever arms ex ex which thus wind up
the stuff through their break bearings ** grasping the journals of the rollers E² E².
These break bearings ** are only set tight enough to take up the slack of the stuff
between the rollers E and F, as soon as this is done the breaks slip over the journals
of the rollers E E2 without moving the same.
x
is
The transport of the stuff is therefore always equable. As soon as the roller a¹
passes from the raised part of the disc P all the parts including the excentric are
drawn back to their original position by the springe and the vertical draw rod
also moved upwards again by the traction of the springs v and m* the pawls secured
to the double armed levers s slide over the teeth of the ratchet wheel t.
The aforesaid motion of the frame is caused by the following device.
On the shaft W is the disc K see figures 1, 2 and 4 to 10, and also a spur pinion
The pinion e is stationary not revolving with the shaft W but attached to the frame
of the machine. The pinion e is in gear with a spur wheel d which is supported
R
e.

page_text: on a pivot on the disc K so that it can turn upon its journal on the said disc K
and is provided upon its rear side with a curved groove see Figure 10.
The other side of the disc K is provided with the channels or grooves n³o².
Moreover the disc K has an incision L' which is of dove tail shape in section and
in which is supported the sliding piece M of corresponding shape so that it can be
moved up and down. The said sliding piece M is on one side provided with a
sliding pin which engages through a slot q extending completely through the
material of the disc K with the curved groove of the toothed wheel d supported
on the disc K. see Figures 6 and 7.
On the other side the sliding piece M' see Figures 4 and 5 is provided with the
channels or grooves s¹ and . During the rotation of the shaft W. and the rotation
of the disc K, which takes place simultaneously with it, the spur wheel d is also
caused to rotate the spur wheel & making one revolution whilst the former that is
to say the disc K. makes two revolutions as the spur pinion e is to the spur wheel d
in the proportion of 1. 2. In the revolution of the said spur wheel d, the sliding
piece M' moves up and down by reason of the engagement of the sliding pin p' with
the curved groove of the spur wheel d.
When the said sliding piece M occupies its uppermost position as shown in
Figure 4a connection of the outer groove n arranged on the disc K with the
inner groove O¹ likewise provided on the disc K is established through the lower
groove on the sliding piece M'.
In the lowermost position of the sliding piece M' see Figure à a connection is
established by the upper grooves formed in the said sliding piece M¹ between the
inner groove O¹ arranged upon the disc K and the outer groove n'.
In these grooves a friction roller Figure 1 slides the said roller being placed upon
the end of a bell-crank lever I arranged upon the lever shaft P so that it can turn
thereon the other end of the said lever being hinged to a short vertical draw
rod i.
The said draw rod acts upon a toothed segment a supported so as to be able to
turn in the irregular shaped bell crank lever H this segment a is in gear with a
toothed pinion & likewise supported in the said lever H see Figures 1 and 3. The
bearing journals of the said pinion terminate in small cranks with which the
horizontal draw rod e ending in a fork is connected. On the short vertical draw rod i
being drawn downwards, the toothed segment a turns upon its pivot in the direction
indicated by the arrow and the horizontal draw rod by reason of the engagement of
the same with the crank of the pinion makes a motion in the horizontal direction
from the left to the right thereby causing the stuff frame connected with the horizontal
draw rod c to make a similar movement.
If however the short vertical draw rod moves upwards, the toothed segment turns
in the opposite direction, and by virtue of the said connection the horizontal draw rod c
makes with the stuff frame a motion, inverse to the direction of previous one, from
the right to the left; by which motion the said displacement of the design is
effected.
The respective positions of the toothed segment a and of the pinion with the
horizontal draw rod c has no effect upon the subsequent operation of the irregular
shaped bell crank lever H in the embroidering itself, inasmuch as herein the said
horizontal draw rod with the stuff frame follows in the manner already set forth the
motion of the said lever, no matter whether the stuff frame is pushed by the above
described device from the right to the left, or from the left to the right.
The motion of the short vertical draw rod i by which this displacement of the stuff
frame is effected is caused by the bell crank lever I in such a manner that the friction
roller g provided at one of its lever arms passes during the rotation of the disc K, by
virtue of the said displacement of the sliding piece M in the said disc K one time
from the outer groove n¹ into the inner groove O¹ and then from the inner groove O¹
again into the outer groove n' see Figures 4 and 5.
The stuff frame G is guided in its forward and backward as well as lateral

page_text: displacements by means of rollers acting against the arms S' see Figures 1 and 15
arranged above on the frame of the machine whereas, as already observed, it bears
below with its wheels O upon the arms A¹ of the shaft D.
The motion of the needles as well as the motion of the shuttle takes place in the
known manner from the shaft M and the mechanism effecting the same does
not require here to be described, especially as it does not form the subject of a
claim.
It remains to be observed that the machine can be constructed with one, two or
more stories without thereby necessitating special changes in the mechanism
concerned.
As already stated separate ratchet wheels and pattern discs are necessary for each
design so that they must be changed every time the design is changed.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed as communicated to me
by my foreign correspondents I declare that what I claim is :-
First In an automatic embroidering machine the employment of pattern discs BB'
in combination with the ratchet wheel A to effect the movement of the stuff frame G
(in place of a pantograph as heretofore used) substantially in the manner and for the
purpose as described and shown.
Second In an automatic embroidering machine as above described the sliding
piece M disc K with grooves O₁ and a friction roller g spur wheels a and b draw
rod c, crank I and shaft W all operating substantially in the manner and for the
purpose described and shown in the drawings.
Third In an automatic embroidering machine as above described, the stuff
transporting mechanism consisting of the disc P, bell crank O draw rod u and
crank K in combination with the draw rod y fork m eccentric / and shaft M in
combination with the lever p and draw rod X and rollers F" T and E² all substantially
in the manner and for the purpose described and shown in the drawings.
1027 1
T 1
100
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.
Dated the
DALLY
1011
day of July 1888.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.