Year: 1897

page_text: Date of Application, 15th May, 1897-Accepted, 19th June, 1897
I, WILLIAM PHillips Thompson, F.C.S., M.I.M.E., of The Agency for
Foreign Patent- Solicitors, 6, Lord Street, Liverpool, and 6, Bank Street,
Manchester, both in the County of Lancaster, and 322, High Holborn, in the County
of Middlesex, and 11, Burlington Chambers, New Street, Birmingham, in the
County of Warwick, Civil Engineer, do hereby declare the nature of this invention
(which has been communicated to me by Reinhold Eder of 18, Sedanstrasse,
Weissensee, near Berlin, Mechanic, and Gotthief Stein of 24, Blumenstrasse,
Berlin, Mechanical Engineer, both in the Empire of Germany,) and in what
manner the same is to be performed, to be particularly described and ascertained.
in and by the following statement:-
This invention consists in certain improvements in or additions to combination
sewing and embroidering machines, which render embroidery stitching of a.
complicated nature very more much simple than has hitherto been the case.
In sewing machines with embroidering attachments, as up to this time used, it.
has been found impossible to sew ornamental patterns of a close and complicated
nature and arranged in rows with anything like accuracy owing to the movement
of the carrier feeding the work forward being communicated by the operator of the
machine. As such work is at times of a very minute nature, and it is so important
that regular rows should be the result, a very able worker is requisite to operate
the work carrier, and such operators are extremely scarce.
Now this invention is a contrivance, hereinafter fully described, whereby a move-
ment both of a forward backward and curvilinear nature is communicated to the
work carrier wholly and solely through the machine on which the work is
accomplished, the scope and number of rows and the shapes of the embroidery and
stitchings being perfectly unrestricted. This movement of the work carrier or
feed plate is effected in such a manner that the requisite change in the same is
brought about accurately by the progressive motion of a former or pattern strip.
In the accompanying drawings the carrying out of this invention is illustrated,
Figs. 1-3 setting forth the mechanism in position on the machine and showing
the communication of the requisite motion to the carrier by means of a recipro-
cating bar with rack teeth. In Fig. 4 a modification is shown illustrating the
dispensation of the reciprocating bar, as aforesaid, and the use instead of a volute
spring and chain applied to the axle of the toothed wheel, which communicates
to the carrier a motion corresponding to that of the pattern strip or former.
The same letters of reference indicate like parts in the various figs.
Loosely connected to the oscillation lever b, which is jointed at its lower part 64
to the machine base s, and at its upper part to the machines driving axis a by
means of an eccentric a 1 and by which a swaying motion is obtained for it from
the revolution of the said axis, is a connecting link c. The other end of this
link c is connected to a rocking lever d, fulcrumed at d 1 to the machine base.
One end d 2 of this rocking lever d has jointedly connected to it a ratchet pawl e,
which latter engages the teeth of a toothed wheel 1, fixed to the face of a cylinder
or roller g or its equivalent, which latter is supported by an axis standing out from
an extension of the machine arm. By means of the oscillating motion of the
lever b, actuated from the eccentric a 1 as aforesaid, the cylinder or roller g is
caused to continually revolve, the mechanisin c, d, e, & f, before described,

page_text: intervening to connect the movement. The cylinder or roller is arranged to
traverse a former or pattern strip i, disposed transversely upon the top face of the
machine arm m, the edge x thereof being shaped to the figure of the embroidered
stitching required upon the work.
Working against the edge of this pattern strip or former i, and arranged so
as to follow the shape of the same, is a roller k, carried by a lever I which is
arranged horizontally upon the machine arm m and has its fulcrum at n. By
means of the traverse of the pattern strip i. receiving its movement from the
cylinder or roller a through the intervention of the roller k, which keeps close to
the projections and depressions on the edge x, (which correspond to the embroidered
pattern to be stitched) a swaying motion is imparted to the lever L. Attached to
the one end of the lever is a reciprocating bar o, having rack teeth upon its one
end which gear with a toothed wheel p fast upon an axis v supported within
suitable bearings standing out from the machine arm. Over this toothed pinion p
and upon the same axis, is a large toothed wheel w, which gears with a small
toothed wheel fixed upon the work carrier axis, so that the said carrier moves
in accordance with the reciprocating bar o, and is governed by the former or
pattern strip.
In place of the reciprocating bar o a chain can be substituted, which is attached
respectively to the one end of the lever and the axis r of the large toothed
wheel w.
Fitted to the toothed wheel w is a volute springs, which tends to move
it in the direction of the arrow Fig. 4. The spring winds the chain y upon the
axis, and the lever unwinds it.
Thus by means of the following roller k, applied to the edges of the pattern
strip, and the reciprocating bar o, or the chain y and spring, every change of
motion produced by the pattern strip is mechanically and accurately transmitted to
the work carrier.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
First. A sewing and embroidering machine, with automatic embroidery
stitching mechanism, in which the requisite changes in the movement of the carrier
or feed plate for controlling the work are governed by the progressive traverse of
a pattern strip or former, substantially as described and set forth.
Second. In a sewing and embroidering machine, the combination with the driving
axis a, and the pattern strip or former i for controlling the movement of the
carrier or feed plate, of an oscillating lever b, a rocking lever d connected thereto
having a ratchet pawl e, and a cylinder or roller g having a ratchet wheel / fast
with it, substantially as set forth.
Third. In a sewing and embroidering machine, the combination of a traversing
pattern strip or former i, a jointed lever having a roller such as k, a reciprocating
toothed bar o, toothed gear p, w,
and r, and the work carrier or feed plate, as set
forth in Figs. 1-3.
Fourth. In a sewing and embroidering machine, the combination with the former
or pattern strip i, and lever operated by it, of a chain y coiling round axis v,
spring, gear wheels to and r, and work carrier or feed plate, as set forth in
Fig. 4.
Dated this 14th day of Mar 1897
s 14th day of May 1897
W. P. THOMPSON & Co.,
11, Burlington Chambers, New Street, Birmingham,
Agents for Applicant.