IMPROVEMENTS IN SEWING AND EMBROIDERING MACHINES
Year: 1879

page_text: LETTERS PATENT to William Edward Gedge, of No. 11, Wellington Street,
Strand, London, in the County of Middlesex, Patent Agent, for the Invention
of "IMPROVEMENTS IN SEWING AND EMBROIDERING MACHINES." A commu-
nication from abroad by Emile Cornely, of Paris, France.
Sealed the 30th December 1879, and dated the 16th July 1879.
PROVISIONAL SPECIFICATION left by the said William Edward Gedge at
the Office of the Commissioners of Patents on the 16th July 1879.
WILLIAM EDWARD GEDGE, of No. 11, Wellington Street, Strand, London, in the
County of Middlesex, Patent Agent. "IMPROVEMENTS IN SEWING AND EM-
BROIDERING MACHINES." A communication from abroad by Emile Cornely, of
Paris, France.
The present Invention has for object improvements on the embroidering machine
for which I obtained Letters Patent dated 19th January 1876, No. 212, and relates
principally to the simplification of said machine, so as to make it practical for
manufacturing purposes, and it consists,―
1. In the arrangement. of the gearings and shafts which communicate rotary
motion to the revolving thread carrier.
2. In the arrangement and combination of the spool, tension, and thread carrier
which lays the second thread around the needle.
On the accompanying two Sheets of Drawing,-
Fig. 1 (Sheet I.) represents an elevation of said machine.
Fig. 2 (Sheet I.) a front view of the same.
Both these Figures are drawn to a reduced scale.
Fig. 3 (Sheet II.) represents the head and part of the arm of the machine in full
size, showing the improvements hereafter to be described.
Figs. 4 and 5 (Sheet II.) represent detached views hereafter to be referred to.
By reference to the Specification of the aforesaid Letters Patent of January 19th
1876, it will be observed that an exterior shaft A was employed to transmit the
rotary motion from the main shaft of the machine to the revolving thread carrier
by means of certain gearings and pinions; this made the machine so cumbersome
and complicated that the suppression of said auxiliary shaft became a necessity.
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page_text: In Fig. 1, F represents the main shaft of the machine. N represents a smaller
shaft which lies under shaft F, and which serves to guide the feed motion of the
machine by means of the crank handle O, and the gearings 1, 2, 3, 4, 5, 6, 7 and 8.
As no change can be made in the arrangement of both these shafts and their gearings,
without completely changing the construction of the machine, and as the revolving
thread carrier must necessarily be driven by gearings from the main shaft F, the
question to be resolved was how to dispose or arrange said gearing without the
employment of a third exterior shaft.
This difficulty was overcome by the employment of a hollow shaft d, Figs. 1 and
3, which is fitted within the casting of the machine, so that it can turn therein
freely, and the shaft N passes through its hollow or interior without causing any
friction therein, so that the movement of the one does not interfere with that of the
other.
The pinion H is secured to the main shaft F, and the pinions I and K are secured
to the hollow shaft d; the shaft H upon turning communicates its rotating motion
to pinions I and K, and the latter to pinion L, and to its vertical shaft P, to which
pinion M is secured, and which transmits its rotary motion to pinions Z and C,
which latter turns upon the hub B of the nipple tube A
The spool G, the tension E, and the thread carrier Q, D, are secured to the hub
of pinion C; they are represented in plan, Fig. 4. The spool G is a couc, and is
secured to the arm S by means of the bolt W in a fixed position, so that it cannot
turn on said bolt. The thread is wound from the fixed spool G in the conical line
represented, Fig. 4, and enters the mouth of the small tube E, which is secured to
the tension holder E' by means of a screw h, or by any other device. The thread
passes out from the tube E by an aperture in the side, and thence to the mouth of
the thread carrier D, either directly or through such thread guides as may be
necessary for the convenience of the operator. The tension of the thread is effected
by turning tube E, whereby the thread is wound more or less around its circum-
ference. The arm S and the tension holder E are secured to the hub of pinion C.
The thread carrier D is secured to its arm Q by means of the strap R, and the
two parts are secured together by means of a set screw. The arm Q is also secured
to the hub of pinion C.
When the machine is to be employed on ordinary embroidering work, the plate n,
Figs. 1 and 3, upon which the pinion L is supported can be withdrawn, the latter
will descend with its shaft P and pinion M, and the motion of the thread carrier D
is stopped.

page_text: SPECIFICATION in pursuance of the conditions of tho Letters Patent filed
by the said William Edward Gedge in the Great Seal Patent Office on the
14th January 1880.
WILLIAM EDWARD GEDGE, of No. 11, Wellington Street, Strand, London, in the
County of Middlesex, Patent Agent. "IMPROVEMENTS IN SEWING AND EM-
BROIDERING MACHINES." A communication from abroad by Emile Cornely, of
Paris, France.
The present Invention is an improvement on the embroidering machine for which
Letters Patent were granted to me January 19th 1876, No. 212, and relates to
certain improvements in the spool and tension mechanisms, and in the shafting of
the machine for the purpose of simplifying its construction.
Fig. 1 (Sheet J.) represents an elevation of said machine, and
Fig. 2, a front view of the same.
Fig. 3 (Sheet II.) represents the head and part of the arm of said machine full
size, showing the improvements hereinafter described, and
Figs. 4, 5, 6, 7, 8, and 9 represent detached views hereir after referred to.
The principal object of the present Invention is to l or wind a second thread
around the needle or needle thread of a sewing or e oidering machine for the
purpose of producing an ornamental embroidery resembling a round cord sewn on
the material. For this purpose I employ a revolving thread carrier which turns in
a continuous rotary motion around the needle, and thus winds its thread around
the needle at each stitch of the machine.
By reference to the Patent of January 19th 1876, No. 212, it will be observed
that the movement of this revolving thread carrier was obtained by an outsido
shaft A, and certain gearings which rendered the machine so heavy and cumbersome
that its use became very difficult and complicated, and the suppression of said
auxiliary shaft became a necessity. The present application of this Invention
relates principally to the embroidering machine with universal feed motion, but
may be equally well adapted to any other sewing or embroidering machine.
Referring to the annexed Drawings (Figs. 1 & 3) F represents the main shaft of
the machine. N represents a smaller shaft which lies under shaft F, and which
serves to guide the universal feed motion of the machine by means of crank handle
O, and pinions 1, 2, 3, 4, 5, 6, 7, 8, & 9. As no change can be made in the position
of shafts F and N without completely changing the construction of the machine,
and as the continuously revolving thread carrier must necessarily be driven by
means of gearings from the main shaft F, the question to be solved was how to
transmit said revolving motion to the thread carrier by suppressing the auxiliary
exterior shaft.
This question has been solved by the introduction of a sleeve or hollow shaft d
into the head of the machine, Figs. 1 & 3, which may be fitted in the casting so
that it can turn therein freely, and the shaft N passes through said sleeve without
any material friction, so that the movement of the one does not interfere with the
other.
A pinion H is secured to the main shaft F, and the pinions I & K are secured to
the sleeve d. The shaft F upon turning communicates its rotary motion to the
pinions I & K, and the latter to the pinion I, and to its vertical shaft P, to which
pinion M is secured, and which transmits its rotary motion to pinion Z and C,
which latter turns on the hub B of the nipple tube A. The spool G, tension E, and
revolving thread carrier D are secured to the hub of pinion C, and are represented
in a plan in Fig. 4.
The pinion C which turns freely on the hub B is supported thereon by means of
the collar a, which is screwed on hub B. As the machine works at a high speed,

page_text: the wheel C, its spool tension apparatus and thread carrier, revolve also with great
velocity, and it has been found necessary that they should be constructed and
arranged in such a manner, that notwithstanding their rapid rotation, they should
deliver the thread regularly to the machine. Two systems were found best
adapted to this purpose, each of which has certain advantages, and may be employed
according to the quality or nature of the thread, wool, or silk which is to be
worked.
The first is represented on Figs. 1, 2, 3, 4, 5, & 7.
G represents a conical or cylindrical spool which is firmly secured to the arm S
by means of a screw bolt W, or by any other means, so that it remains fixed, and
cannot turn on its axis; the arm S is secured to the hub of the pinion C, and turns
with the same, and the thread is drawn from the spool over its free end in the
direction of its geometrical axis. represents a bracket or arm which is also
secured to the hub of pinion C, and in which the tension rod E is adjusted so that
it can be turned therein by means of its head b. D represents a thread carrier
having its eye at its lower end, which is secured to the arm Q by means of a strap
R and its thumb screw.
The thread passes from the spool G into the open end of the tension rod E,
thence through an aperture in its side into the eye of the thread carrier E by which
it is wound around the needle at each stitch, thereby forming an embroidering
resembling a cord.
As the spool G, tension E, and thread carrier D are all secured to the wheel C,
they will be rotated simultaneously without changing their relative positions, and
the thread will be delivered regularly.
The tension of the thread of spool G can be regulated by turning rod E, whereby
the thread will be wound around the circumference of the tension rod.
When working with silk or other hard twisted material, it happens that very
large loops or ends detach themselves suddenly from the spool by reason of its rapid
rotation, and special means must be employed to prevent this difficulty, which
would otherwise produce irregular work. This is obtained by a friction guide f
represented more especially in Figs. 4, 5, & 7, the forked end 10 of which is secured
between the spool G and the arm S, while its circular face 12 is adjusted in front of
the end of the spool G, leaving between the two a small annular space for the
passage of the thread.
A cloth washer y, Fig. 7, is secured against the inner face of the guard 12, and g
as the thread passes from the spool G, Fig. 7, into the mouth of the tension rod E,
it slides against the inner circumference of the cloth washer y, which by a very
slight friction perfectly regulates the delivery of even the most twisted thread or
silk.
In Figs. 8 and 9 I have represented the second arrangement which consists
simply in the application of a vertical revolving spool in combination with the
tension apparatus and the thread carrier above described, nothing being changed in
the construction and arrangement of the said tension and thread carrier, which are
represented with the same letters of reference as those above described. A vertical
spool T is set loosely upon a vertical spool pin n, and the latter is secured to the
arm S in any suitable manner. The spool T is supported by the horizontal plate p,
which is secured to the spool pin n, and which is covered with the cloth washer. o to
prevent the spool from turning by shocks. The thread passes from spool T directly
into the mouth of the tension rod E, and thence into the thread carrier as above
described. Fig. 8 represents an elevation and Fig. 9 a plan of said vertical spool 5
in combination with the mechanism of the machine.
It is evident that the arrangements above described may be more or less modified
without changing their principle for instance, instead of employing a sleeve D to
which the pinions I and K are secured, the sleeve and pinions may be made in one
part, and may be set upon shaft N, to turn thereon freely without being fitted into 5
the casting of the machine.

page_text: When the machine is to be employed on ordinary embroidering work, the motion
of the wheel C and of the entire apparatus of thread carrier, tension, and spool can
be arrested by unscrewing pinion H, or by shifting it out of gear from pinion I.
In Fig. 6 I have represented an arrangement for shifting the pinion H so as to
throw it out of gear from pinion I; a collar his secured to shaft F by means of a
pin, a tooth 13 of said collar enters a corresponding hollow in the hub of pinion H,
while a coiled spring m keeps the latter in contact with the tooth 13 which thus
actuates said pinion.
Upon pressing pinion H to the left, it will be thrown out of gear from pinion I,
and by turning it slightly it will be retained in said position by the tooth 13 which
then drops into the small recess 14.
It is evident that instead of one revolving spool and thread carrier, two or several
can be employed if it is desired to produce a greater variety of colours or threads
in the work, also that the vertical spool T described above may be set more or less
inclined if necessary to prevent it from covering the lines of the design which are
to be executed.
Having now described and ascertained the nature of the Invention communicated
to me as aforesaid, and in what manner the same is or inay be carried into practical
effect,―
I claim as secured to me by the herein before in part recited Letters Patent,-
Firstly. The application of a hollow shaft or sleeve d, with its pinion or pinions
within the head of the machine, which permit the free passage and operation
therein of the shaft N, which directs the feed-motion of the machine, substantially
as herein-described for the purpose of transmitting rotary motion from the main
shaft of the machine to the revolving thread carrier, without the aid of any external
axiliary shaft.
Secondly. The combination of the thread spool or spools, substantially as hercin
described, with the tension rod E and thread carrier D, all secured to pinion C for
the purpose of winding a second thread around the needle by a continuous rotary
motion.
Thirdly. In combination with the fixed spool G herein described, the circular
friction guide and cloth washer y, to ensure the regular delivery of the thread.
In witness whereof, 1, the said William Edward Gedge, have hereunto set
my hand and seal, this Thirteenth day of January, in the year of our Lord
One thousand eight hundred and eighty.
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