US1545797A - Machine for embroidering, darning, and sewing - Google Patents

Description

July 14, 1925.

E. SKRIWAN MACHINE FOR EMBROIDER ING, DARNING, AND SEWING Filed March 2C5 1925 liz wpbzb Patented July 14, 1925.

v UNITED? STATES 1,545,797- mrea r mic EMIL SKRIWAN', F VIENNA, AUSTRIA.

MACHINE FOREMBROIDERING; DARNING, AND

Application fiIed'M'arch 23, 1925.. Serial No. 17,771.

To all whom it. may 2007106771.

Be it known that-I, EMIL SKRIWAN, a. citizen of the Austrian Republic, andresiding .at 11 Lainzerstrasse, Vienna XIII, Austria, have invented certainnew andiuseful Improvements in" Machines for Embroidering, Darning, and Sewing of which the following is a specification.

This invention relates to machines of 'the kind, in which the needle thread'issupplied to the work from below and the" upper thread is supplied from above by: agripping member or a shuttle. In order to make the machine suitable for carrying; out sewing work, in which a fairly large supporting surface is required for the work, according to the present invention a plate for supporting the work and the feeder for the material are fixed to the machine so as to be capable of being readily removed.

Preferably the work-supporting plate and the feeder are carried by a pillar, which can be attached removably to the machine or the work plate and the feeder are suitably fixed to the upright guide sleeve of the needle bar.

In the accompanying drawings a constructional example of the invention is shown,

Figs. 1 and 2 being a side and a front elevation partly in section and Fig. 3 another way of mounting the feeder.

On the base 1 is mounted the upright sleeve 2, in which the needle bar 3 is guided, which is given an upward and downward motion by means of the shaft 5, which is j ournalled below the base plate and is driven by means of a hand-wheel 1, a treadle or a motor. From the shaft 5 the motion is transmitted by means of the connecting rod 6 to the driving shaft 8 of the gripping member 9, which is journalled in the horizontal arm 7 of the frame of the machine.

For embroidering and darning a hollow cylinder (not shown) may be placed over the needle bar guide on the base plate 1, over which the work is drawn and which is displaced by hand on the base plate 1.

hen ordinary sewing is to be done with the machine, the hollow cylinder may be removed and replaced by a table 13, by fixing on the base plate 1 a pillar or arm 10 by .means of thefoot plate 11 and a screw 12,

on the top of which pillar is the table 13, which acts as the support for the work when being sewn. In addition to the table 18 a feeder 15'is mounted on themachine, the

teeth 14 of which project through ahole inthe table andextend above the surface of the latter-.1. The feeder is attached by means of. ascrew 16 to the pillar 10, which carries the. table 13,- soas to be capable of oscillating.

and being, displaced vertically and is provided at its-lower end with a cross-piece 17 surfaces 19, ,20 respectively and L mounted on the driving shaft; for the needlc bar in such a manner that, when -the-c am: 19 strikes the cross-piece 17,. the feeder; 15 is slightly raised and thereby pressed against the work and presser foot 23, while, when the cam 20 strikes the arm 18, the feeder 15 is moved aside and pushes the work along. A spring 24 is provided for returning the feeder to its normal position. For altering the length of the stitch, an adjusting screw 25 is provided, which acts as a stop member for the feeder lever 15, when it is pulled back under the action of the spring 2 1. i

The table 13 consists preferably of a middle part 13 and an outer part surrounding the same like a frame. 'With the small middle plate 13 alone it is possible to sew a piece of work like in a pillar machine. As shown in Fig. 3 the feeder lever 15 1s pivot-ally attached to the cross-piece 17, to which is also fixed a downwardly extending arm 18 and one end of which at 26 is provided with a slot, so as to be capable The action of the cam discs 21, 22, of the spring 24 and of the adjustable screw 25 1sthe same as described with reference to the previous figures. The connection between the feeder lever 15 and the crosspiece 17 is so arranged as to be easily released, in order that the feeder together with the table 13 and the pillar 10 may be attached and removed without trouble.

The arrangement described is of course equally adapted for use with chain-stitch or lock-stitch machines.

Instead of being attached directly to the pillar 10, the feeder lever 15 may be attached to it indirectly, for instance it may be mounted so as to be capable of rocking on an arm fixed either to the table 13 or to the foot plate 11. It is also possible to attach the feeder in a suitable manner to the hollow cylinder acting as a guide for the needlebar, so as to be capable of being removed alone or together with the table, without depart-- ing from the spirit of the invention.

needle thread from below, means for supplying the upper thread from above, a needle bar, and a shaft for driving the needle bar, of means attachable to the machine for adapting it to usefor ordinary sewing work, the last mentioned meansincluding a table for support-ingthe work, a feed for advancing the work and having the form of a two-armed lever, a pillar for supporting the table, means for removably securing-the pillar to the frame of the machine, means supporting the feeder onthe pillar so as to permit said feeder to oscillate and move vertically thereon, and 'camvdiscs on said shaft engageable with the two-armed lever whereby to actuate the latter.

2. The combination with a machine adapted for darning and embroidering and including a frame, means for supplying the needle thread from below, means for supplying the upper thread from above, a needle bar and a shaft for driving said needle bar, of means attachable to the machine for adapting it to use for ordinary sewing work, the last mentioned means including a table for supporting the work, a feeder for advancing the work, a pillar supporting the table, means for movably securing the pillar to the frame of the machine, means connecting the feeder with the pillar and permitting movement of said feederrelative thereto, a rocking lever pivotally connected to said frame and with said feeder, and

cams on said shaft co-acting with the rock-- ing lever to impart movement to the latter and to the feeder. V

In testimony whereof I have signed my name to this specification. j

EMIL SKRIWVAN.

Witnesses:

CARL GOUDENHOVE, RUDOLF MESTIAN;

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