IMPROVE- MENTS IN SEWING MACHINE SHUTTLES, AND IN THE WINDING OR REELING OF THE THREAD EMPLOYED WITH THEM
Year: 1865

page_text: LETTERS PATENT to Marc Klotz, of 24, Rue du Mont Thabor, Paris, in
the Empire of France, Manufacturer, for the Invention of "IMPROVE-
MENTS IN SEWING MACHINE SHUTTLES, AND IN THE WINDING OR REELING OF
THE THREAD EMPLOYED WITH THEM."
Sealed the 9th February 1866, and dated the 12th December 1865.
COMPLETE SPECIFICATION' filed by the said Marc Klotz at the Office of
the Commissioners of Patents, with his Petition and Declaration, on
the 12th December 1865, pursuant to the 9th Section of the Patent Law
Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, MARC
KLOTZ, of 24, Rue du Mont Thabor, Paris, in the Empire of France,
Manufacturer, send greeting.
WHEREAS I am possession of an Invention for "IMPROVEMENTS IN
SEWING MACHINE SHUTTLES, AND IN THE WINDING OR REELING. OF THE THREAD
EMPLOYED WITH THEM," and have petitioned Her Majesty to grant unto me,
my executors, administrators, and assigns, Her Royal Letters Patent for the
same, and have made solemn declaration that I am the true and first
Inventor thereof.
NOW KNOW YE, that I, the said Marc Klotz, do hereby declare that
the following Complete Specification under my hand and seal fully describes
and ascertains the nature of the Invention, and the manner in which the
same is to be performed, reference being had to the accompanying Drawing,
that is to say
This Invention relates to an improved mode of winding or reeling the
thread, cotton, or silk employed in sewing machines, and. an improved

page_text: .construction or arrangement of the shuttles of the said machines, having
for object the suppression of the asps at present in general use. The
improved mode of reeling or winding, which allows of dispensing with the
asps and simplifying the construction of the shuttles, has the advantage of
enabling me to place in the cavity of the shuttles a much larger quantity of
thread than they at present hold with the asp arrangement. Besides the
small quantity of thread wound on the asps those who have used sewing
machines are aware that one of their least inconveniences is the irregular
tension of the thread resulting from the unwinding of the same successively
from one end of the asp to the other, and vice versâ, that is to say, from a
point nearer to or farther from the holes formed in the shuttles for regulating
the tension, and more or less directly in the line of their axis. On another
hand the different lengths of the axis of the asps and the finish of the ends
turning in the bearings of the shuttles help to increase this irregularity in-the
tension. In suppressing the asps this Invention does away with all these
inconveniences.
It consists as aforesaid in an improved mode of winding or reeling the
thread, and in the means employed for supporting the same for facilitating
its placing in the shuttle and for unwinding it with a constantly regular
tension until the reel or ball is quite used, and also in the modifications made
in the shuttle for the above purposes.
The accompanying Drawings, to which reference will be made in the
course of this Specification, will make the said Invention fully and clearly
understood.
The improved mode of reeling differs completely from that employed for
forming ordinary balls of cotton, and which I believe has been unsuccessfully
tried for sewing machines. The crossing of the thread, as shown, Fig. 1
& 2, which leaves large spaces between the rows, does not consequently
allow of placing a very large quantity of thread in a small space, nor does it
unwind regularly.
The improved mode consists in winding the thread or cotton as on common
wooden reels, that is to say, perpendicularly (or nearly so) to the axis of the
reel or ball, as shown in Fig. 3 & 4, so that the rows of thread may be
regularly juxtaposed from one end of the reel or ball to the other, and that
the thread may be unwound from the end and the inside when the reel or
elongated ball is placed in the shuttle. To surmount the difficulties pre-
sented by the small diameter given to each complete reel, cocoon, or
lengthened ball to allow of placing it in the shuttle and the regular
unwinding of the thread a winder with a pin of very small size is employed.

page_text: On this pin are placed at suitable distances two small disks provided with a
certain number of teeth or notches around their circumference, as in Fig. 8;
they may also be plain, as in Fig. 4 & 5. These disks are made of leather,
card, metal, or other suitable material, and are pierced at their centres, and
serve for maintaining the thread. The distance between them is regulated
by the length of the cavity of the shuttles, and their diameter is about equal
to that of the said cavity. The thread is wound on the pin between the t
and may then be supported by one of the following means, with or without
the aid of these disks:-
11,
The first mode consists in connecting the disks by threads a, Fig. 3, passing
over their centres and intersecting each other at these points, in this mode the
thread is entirely open and exposed.
•
The second mode consists in forming this connection by means of one or
more ribbons or bands of paper 6, Fig. 4, passing over the disks, and whose
ends are attached so that the thread is almost invisible.
The third mode consists in rolling the reel or elongated ball in a small
sheet of paper, card, or metal, or in a piece of fabric, the edges of which are
glued together and the ends turned down and glued to the disks or together,
as shown in Fig. 5.
This envelope may be coated inside with a glutinous or adhesive compound,
which being wetted before enveloping the ball adheres to the outer layer of
the thread, and thus aids to hold the thread securely. The bands above
described may be similarly coated if found convenient. The ball or cocoon is
next removed by pushing it from the pin of the winder. It presents an interior
empty space of the diameter of the pin, and is placed. in the cavity of the
shuttle without further preparation. It is then unwound from the centre by
the central hole of one of the small disks through which the end of the thread
has been made to pass, or through the envelope as the case may be. These
balls may be made so as to completely fill the cavity of the shuttles, as seen
in Fig. 6, whereas with the asp arrangement it is only partly utilised, as seen
in Fig. 7.
In connection with the above modes of winding or reeling, the following
arrangements or modifications in the construction of the shuttles themselves
may be employed for better utilising the whole of the cavity of the shuttles,
facilitating the regular unwinding of the thread, and for regulating the tension.
of the latter.
Fig. 8 is a plan view of the improved shuttle; Fig. 9, an elevation of
the same, empty; Fig. 6 a similar view with the ball or reel placed in the
cavity; Fig. 10 represents a different modification of the shuttle seen in

page_text: ;
elevation; Fig. 11 another modification. In these Figures a is the body of
the shuttle; b, its heel; c, its point or tapered end; d, the improved lengthened
ball; e, the cavity of the shuttle intended for its reception; f.f, small metal plates
between which the thread coming from the centre of the ball passes; 9, pressure
screw for bringing the plates in closer contact for regulating the tension
h, two openings formed in the tapered part of the shuttle for guiding the
thread coming from between the two plates; i, another hole made in the
upper part of the shuttle, and also serving for guiding the thread; 1, opening
formed near the end and in the upper part of the shuttle for the passage of
the screw g, and for tightening or loosening the same when necessary. The
tension plates and the screw which commands them as well as the opening by
which the latter passes might be placed at the heel of the shuttle instead of
being placed at its tapered end,,, as shown in the Drawings. In Fig. 10
the plates f,f, instead of being flat are slightly curved, the lower one at its
front end and downwards, and the upper one at both ends and upwards, to
facilitate the passage of the thread. This arrangement allows, as well as that
of Fig. 11, of suppressing the two holes h, h, of Fig. 8, as the thread goes
from the ball between the plates and directly thence to the opening i. In
Fig. 11 the lower plate is curved as in Fig. 10, but the upper one is provided
with a round edge m and opening n. The thread coming from the ball passes
between the plates, through the opening and over the round edge or border,
leaving the shuttle by the central opening i.
It will be seen that the improvements replace and consequently suppress,
first, the bearings or supports which receive the ends of the asps or reels;
second, the guide bar and numerous holes formed in the top and bottom of the
shuttles which serve for unwinding regularly and guiding the thread, and for
increasing or lessening its tension conjointly with the modes of tension at
present in use. It will also be remarked that the horizontal position of the
two plates f,f, allows of forming in the solid part of the end of the shuttle an
opening with screw thread for receiving the end of the screw 9, which screw
thread is more deeply cut than it is possible to cut it, when the plates are
placed vertically, and the head of the screw may be made sufficiently strong
not to be easily injured. This arrangement of the shuttle also offers a great
advantage, that of being able to act on the screw g, through the opening / in
order to regulate the tension of the thread without it being necessary to
remove the shuttle when placed in the machine.
These improvements may be applied to all kinds of shuttles, straight or
curved, and may be adapted for the reception of thread reeled or wound by
any other system than that described herein-before..

page_text: Having thus described the nature of the said Invention, and in what
manner the same is to be performed, what I claim as my exclusive right and
as the subject of Letters Patent in connection with the present description
is,-
2
Firstly, the suppression of the asps, bobbins, or reels hitherto employed in
sewing machine shuttles, and replacing them by simple cocoon, reel,
elongated ball, or roll of cotton, substantially as above described and repre-
sented in the accompanying Drawings.
Secondly, the manufacture of reels or elongated balls without arbor or
solid interior support specially intended for use in sewing machines, which
are unwound from the inside to the outside, and which allow of suppressing
the aforesaid asps, bobbins, or reels and obtaining a regular tension of the
thread.
Thirdly, the mode of winding or reeling thread in a direction perpendicular
or nearly so to its axis, and by rows or lines juxtaposed instead of crossings,
which has the advantage of allowing a greater length of thread in the cavity
of the shuttles.
Fourthly, the above described means of maintaining the thread with or
without disks when wound, and of connecting it by means of bands of paper,
thread, card, or envelopes, substantially as above described, and adhering to
the ball of thread by all or part of their surfaces.
Fifthly, the envelope formed of a sheet of paper, metal, cloth, leather, or
fabric of any suitable kind, containing the aforesaid reel or elongated ball,
substantially as above described for use in sewing machines generally.
Sixthly, the improved arrangements or constructions of sewing machine
shuttles above described and represented in the accompanying Drawings, and
particularly the horizontal position of the plates when the shuttle works or
is placed in the sewing machine for graduating the tension of the thread.
Seventhly, the position of the pressure screw which allows of exercising
a pressure directly without being obliged to remove the shuttle from the
macbine.
In witness whereof, I, the said Marc Klotz, have hereunto set my hand
and seal, this Fifth day of December, in the year of our Lord One