DE1813057A1 - Method and device for sewing buttons to tissue - Google Patents

Description

Method and device for sewing buttons onto fabric.

The invention relates generally to the technical field of sewing and, more particularly, to a method and method Device for sewing buttons to fabric, the thread connection between the buttons and the fabric in a sleeve or shield, commonly referred to in the apparel industry as a button stem. The arrangement of a shaft is common in the industry when it is necessary in the manufacture of articles of clothing or when sewing a Sew the button to a fabric or other material in such a way that the button is at a distance from the fabric with which the button is attached is connected to be arranged · This is done to allow the buttoning and unbuttoning of clothing is facilitated, and this is common practice.

The attachment of a sleeve or a shaft is generally carried out in such a way that a thread is wrapped around the FaAeB connection between the button and the garment to make this thread connection rigid and semi-rigid ■ aohen. This process can be done by hand or on the Masohlne be guided through. The manual production of the thread part

O * i / E

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or

or it is time consuming and increases the cost of apparel manufacturing.

Numerous attempts have been made to machine this operation. For example, it has been suggested to provide disc-like spacers, the disc-like element being disposed between the fabric and the button and has openings that correspond to the usual openings, which are provided in the button. However, such facilities were not accepted by the trade, as these the Manufacture unnecessarily expensive and there is a relatively loose fit of the sole plate around the sewing thread is what connects the button to the fabric. A relative Movement between these parts creates unexpected friction that acts on the sewing thread and this leads to excessive wear and tear on these threads, making it easy for the button to detach from the garment. It was further suggested sewing directly through a pierceable spacer element and this type of stem formation resulted in dulling of the sewing needle and required frequent replacement and this leads to increased Costs.

Perhaps the greatest advance in this area is described in U.S. Patent 3,213,16.

This patent describes a method and apparatus for stem formation when sewing buttons using a flexible resilient sleeve which overcomes many of the disadvantages of the previously known methods. However, in carrying out other problems occur because here to a button with a flexible and elastic sleeve to stems, it is first a rf or "= derlioh, the sleeve to a hollow cylindrical N © fe s ..

009833/0863 S.

which is integrally formed on a frangible, disposable disc. After sewing, it is necessary that the hub is removed from the liUlse so that it can the sleeve can pull together the thread around the Connect the button to the fabric so that the sleeve can form the so-called thread handle. This was done in the way carried out that the disc is broken along a preformed Bruohlinle, after which the broken disc was discarded.

This created an atoptable shaft, however there were additional costs for the finished garment, since it was necessary to mount the disc first and then to apply the elastic sleeves to the hubs where the sewing was carried out4 «. After the sewing was completed, the garment was removed from the machine to sever the disc from the sleeve or shaft.

It is therefore one of the primary objects of the invention to provide an improved method and apparatus for To create a button handle that eliminates the disadvantages of the known methods and devices.

Another object of the invention is to provide a method and a device for quickly sewing the sewing threads of a To train button stem-like, with duroh the invention a time saving in the completion of clothing is achieved and the operations can be carried out by inexperienced persons.

Another object of the invention is to provide a method and apparatus for making button thread connections

handle shape! *

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to form stem-shaped, these thread connections with a hollow flexible and elastic sleeve and with this sleeve in the expanded state during the Sewing is carried by the machine and this sleeve is released from the machine after the sewing is completed should be so that she can pull the threads together, welohe make the connection between the button and the tissue to which the button is attached.

A further aim of the invention is to provide a device in the form of an attachment to a sewing machine, whereby this Device has means which are movable relative to one another to the expansion of the sleeve during sewing of the button and wherein the sleeve can contract when sewing is finished, whereby the connecting threads be enclosed by the sleeve.

Another object of the invention is to provide a method and an apparatus, the apparatus being in construction and is not complicated to assemble and this device is cheap to manufacture and maintain, and this device is robust and reliable in operation.

"Other and further objects and advantages of the invention are intended to will be explained in the following description with reference to the figures of the drawing. Bs show:

Fig. 1 is a partial perspective view of a button sewing machine, showing the auxiliary structure according to the invention mounted on this machine and which is arranged in its operating position,

Fl (. 2 is an enlarged partial plan view of part of the

in Fig.l shown sewing machine, the additional device

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device is pivoted into an inoperative position, the parts of this device in their rest position

1"

or non-operating position are moved,

η
Fig. 3 is a partial plan view of the sewing machine, with the addition

is pivoted into an operating position and wherein the parts of the accessory ready for a sewing process

are, Figure 4 is an enlarged perspective view of the stitching additional machine device according to the invention is trained,

Fig. 5 is a bottom view of the device shown in Fig. 4, 6 is an enlarged detailed longitudinal sectional view,

4, FIG. 7 is a detailed view taken along line 6-6 of FIG. 4, FIG

Line 7-7 of Fig. 6, Fig. 8 is a partial plan view of the Hülsenhai sion in their closed position, with a sleeve in phantom

is shown Fig. 9 is a partial plan view showing the Hülsenhai sion in shows their separated position, with the elastisohe

Sleeve is shown dashed, Fig.10 is a partial view showing the use of the HUl sensor device while sewing a button shows

and Fig.il is a detailed cross-sectional view of a button on a fabric or material is sewn on and the according to the invention is provided with a handle.

With a conventional button sewing machine is referred to, as she Commonly used in the clothing industry. the Sewing machine 20 has a base 22 which is normally on

one

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a table 24 is arranged having a horizontal top 26 has. As Fig.l shows, the base 22 is arranged and mounted relative to the table top 26 that a normally perpendicular front wall 28 on the base 22 is arranged inwardly at a distance from the front edge 36 of the table top 26 to a platform 32 between these parts to train. At the lower end of the sewing machine 20 extends laterally from this and at a perpendicular distance from the platform 32 a projection 34 on which the usual plate 36 is arranged is, in which the elongated, substantially rectangular needle receiving opening 38 is arranged at the outer end is.

The sewing machine 20 also has a normally horizontal one Splash 40, which extends forward and in the direction of the front edge 30 of the table top 26. About this flange extends a head 42, which at the outer end of a having elongated in the perpendicular direction conventional housing 44 which includes a mechanism which a Back and forth movement of the sewing needle 46 causes. The sewing thread 50 is drawn into the lower end 46 in the usual manner. Usual, releasable button clamps are labeled 52. The clamping device 52 has a pair of laterally spaced apart arms 54, 56, the one Grasp button essentially on the diametrically opposite sides. The button has first and second, across each other extending thread receiving openings 60 "62, and there are the usual means are provided to move the button 58 relative to the needle 46 in a known manner to the row after each pair of openings 60, 62 to bring under the needle, so that when the sewing machine 20 is in operation, a thread connection between button 58 and the material to which the button is to be sewn "

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Since the sewing machine 20 is not part of the invention forms, is shown and described only so much of this machine as to understand the invention is required.

The device according to the invention has an additional device 64 for a conventional sewing machine 20. It should be noted, however, that the device is such that it can also be built in during manufacture of a conventional sewing machine 20 can. The device can also be used as an add-on to existing button sewing machines without any modifications or changes to the button sewing machine 20 need to be made.

The additional device shown has an elongated, flat, generally rectangular bar 66 which, as at 68 1, is screwed at one of its ends to the top of the flange 40. The other end ooA the Rod Go extends sideways beyond the side wall Tu of the sewing machine 20. At this protruding end 66A is at 72 the outer free end of an arm 74 of a Z-shaped lever 76 hinged, which consists of an elastic material. As Flg.l shows, the other end of the arm is 74 formed in one piece with one end of the bent section 78 de · lever · 76 and the other end of the section 78 rises in a laterally extending second shape au ·.

At 82, an angle iron is referred to, which has a lower Has leg 84 which is attached to the underside of the first arm 74 of the lever 76. This fortification point is located at a point spaced within pivot connection 72. The angle iron 82 has a vertical leg 86. The leg 86 engages over one of the

edge

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Edges 88 of the lever 76 and the leg portion 86 has an edge 90 (Fig.I _1, 2 and 3) which is intended to rest against the adjacent edge 92 of the rod 66 when the lever 76 from the position shown in Fig. 2 is pivoted in the direction of clockwise rotation in the position shown in Figure 3. This limits the pivoting movement of the lever 76 in this direction. The angle iron 82 therefore forms a stop "

From Flg.l it can be seen that the thread end 94 is a fc screw bolt 96 screwed into the first arm 74 of the lever 76 and extends upward from this plane. The bolt 96 has a head 98 and a nut 100 is used to attach the bolt to the first arm 74

The loop end 102 of an elongated helical spring 104, which is under tension, surrounds the threaded end 94 of the screw bolt 96. This end is held in place by the widened head 98 against inadvertent displacement over the upper end of the bolt. The other end of the spring 104 extends over the top end of the flange 40 at a distance therefrom and is attached to the machine 20 at a location shown in FIG. The arrangement is such that the coil spring 104 continuously biases the lever 76 that this is eager to pivot to the position shown in Pig "2 towards de · · Uhraeigerdreh sense so that the lever 76 assumes the position shown in Figure 3. It should be noted let this Sohwenk-

movement is limited by the stop 82 "

The two arms 74 and 80 of the lever 76 are arranged in planes offset from one another in a horizontal direction, with the arm 80 in the vertical direction below the army

74

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74 is arranged. Screws 106 extend transversely through the second arm 80 and the lower ends are screwed into threaded bores shown in the drawing, which are arranged in one end of a rectangular, flat bracket 108. The other end of the console 108 extends sideways beyond the edge 88 of the lever 76.

With 110 an elongated, substantially rectangular support plate is referred to, which has a main section 112. From the end 114 of the main section 112 and adjacent to the marginal edge 116 extends a tongue 118, which ends at its outer end in a flange 120 bent downwards. Screws 122 extending transversely through the mounting bracket 108 and are screwed into threaded bores, not shown, which are formed in the tongue 118 in order to fasten this tongue below the console in such a way that the main section 112 of the support plate 110 extends over the edge 124 of the holder 108.

The main section 112 is provided at its front longitudinal edge 126 in the vicinity of its end 128 with an inwardly extending, U-shaped sole seat 130, which is supported by a is limited in the longitudinal direction extending rounding 132, from which sioh arranged at a lateral distance from each other · and la essentially parallel rare walls 134 and 136 extend. The lower part 138 of a first L-shaped fork prong 140 is attached to the underside of the main housing section 112. As can be seen from the figures of the drawing, a section of the leg 138 extends into the slot 140 and ends in a vertical finger 142, this finger having the shape of a circular section when the finger is viewed in plan view, as shown in Figs. As Fig. 6 shows,

runs

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the outer side 144 of the finger 142 extends from the top towards the lower end of the leg 138 obliquely inwards.

The side of finger 142 that is opposite side 144 has a substantially flat plane, the at 146, as shown in FIG.

An inwardly extending, essentially U-shaped guide channel 148 is attached to the underside of the plate 112 and opens at one end into the rare wall 136 of the slot 130 and terminates at the other end with the plane of the end 114 of the main section 112. The elongated leg section 150 of a second prong 152 is arranged in this guide channel 148 so that it can move back and forth. The second prong 152 has a tail section that extends into the slot 130 and that extends beyond the side wall 136. As shown in the figures of the drawing, this end section of the prong 152 ends in a vertical second finger 154, which also has a curved side 156. In the case of the second finger 154, the side opposite the side 144 has a flat surface 158 fitted. The design and arrangement of the prongs 140 and 152 is such that the flat sides 146 and 148 of the fingers 152 and 154 lie flush against one another surface against surface when the device is in a resting position. When the additional device is in the operating position, the finger 164 is finely separated from the finger 142 in a sighting to the wall 136, the surface 158 maintaining its parallel position relative to the inner side 146. The leg section 150 of the second prong 152 is held movably back and forth in the channel 158 by means of a locking plate 160 which is fastened to the underside of the main section 112 of the support plate by means of screws Verselussplatte _£ .w

009833 / 08Ö3

essentially rectangular and arranged so that one of their Ends 164 lies in the plane of the side wall 136 and that a longitudinal fold 166 lies in the plane of the lung edge 126 of the main section 112.

A Motorhai sion is generally designated 108 (Fig. 5). The motor bracket 168 has an elongated shape Angle iron 170, which has a leg portion 172 which rests essentially flush against the flange 120 and furthermore an elongated leg section 174 which extends away in a direction to the main section 112. Of the The handle part 172 is attached to the flange 120 by means of a screw connection 176, 178.

In FIG. 6, 180 is a substantially rectangular support plate. This motor support plate 180 has one end on, which extends under the handle part 174 and is fastened to it by means of screws 182, the nuts Have 1Θ4.

The actuating device shown in the figures of the drawing is denoted by 186. In the illustrated embodiment, this actuating device is an electromagnet. The electromagnet 186 has the usual structure and has arranged opposite · Mounting brackets ltt and 100 and every console is at its lower ends with laag ~ Streote, Reohteokigen Montag «flanges 192 and 194 equipped. Each mounting flange 192 and 194 has a threaded hole 196.

Reference is now made to FIGS. 2, 3 and 5. Of the Electromagnet 186 is placed on the support plate 180, and swar such that the LMngskante 198 of the flange 194 is flush

with

009833/0103

ends with the longitudinal edge 200 of the section 174. the Base support plate 180 has openings (not shown) for receiving a threaded screw 202. The threaded screw 202 also goes into threaded opening 196 of flange '194 screwed in, and thereby the electromagnet 186 is attached to the support plate 180 in a detachable manner. As it is for the Operation of the device does not matter which side of the head 42 the device is located on are the right and left flanges 192 and 194 with the threaded holes.

The electromagnet 186 has a usual go back and forth- * the T-shaped anchor 204, which in this embodiment has a shaft 206 which is slidable inside the Magnet 1Θ6 is added and one arranged outside Crosshead 208. The electromagnet 186 has the usual excitation winding 210, from the ends of which the lines 212 extend

A coupling 214 is fixedly connected to the transverse head 308. The coupling has a pair of lugs 216, 218 which extend from transverse head 208 in a direction away from shaft 206, and as FIGS. 4 and 5 show, lugs 216 and 218 are laterally spaced from one another and substantially parallel to one another , arranged opposite one another. The lugs 216 and 218 enclose at a certain distance the end of the fork prong 152 which is located away from the finger 154 and the lugs 216 and 218 have between them a substantially flat tongue 220 which extends axially longitudinally from one end the sleeve 222 also extends, bit to which the tongue is integrally connected. ^ü ie tongue 220 is pivotally connected to the VorsprUngen 216 and 218 medium · a "pivot pin 224 is connected, which is held against displacement by a nut 228 ·

the

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The sleeve 222 is fixed to the other end of the fork prong 152 connected, the connection being made to the outer end of the leg portion 148, which extends over the end 114 of the main portion 112 of the support plate 110 extends.

The anchor structure also has devices that bias the anchor into its extended position, as shown in FIG and 5 is shown. For this purpose * the outer end is dee Pin 224 is provided with an opening 228 which receives one end 230 of an elongated coil spring 232 which extends is under tension. The other end 134 of the spring 232 is fastened in an opening 236 in the main section 112 of the Plate 110 is formed near the end 114.

From the above description and from the figures of It can be seen in the drawing that when the winding 210 is excited, the armature 204 is withdrawn against the force of the spring 232. This withdrawal causes movement of the Sleeve 222 in the same direction and consequently movement of tine 152 in the same direction. A · excitement of the winding 210 and movement of the prong 152 causes the finger 154 to move out of the position shown in FIGS moves into the position shown in FIG. However, when winding 210 is not electrically powered, so does so the force of the helical spring 232 that the armature 204 moves out of the winding 210 and thereby the prong 152 and their fingers 154 are moved out of the position shown in FIG. 9 and again assume the position shown in FIGS. 6 and 6. The prong 140 is stationary and moving not during the to-and-fro movement of the tine 152.

Of the

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The electromagnet is controlled by a switch. to for this purpose the lines 212 are in the usual way one end of wires 238 and 240 of cable 242. The other ends of wires 238 and 240 of cable 242 are connected to some electrical voltage source.

The wire 240 is interrupted and ends 240A are formed and 24OB connected to both sides of a single-pole, single-stroke normally open push switch 244. Of the Switch 244 has the actuating rod 246, which is normally in the in ^ ig. 1 pretensioned upper layer shown is when switch 244 is open.

A bracket 248 for the switch 244 is provided. The bracket 248 is an angle iron having an elongated, generally rectangular leg portion 250 which is attached to the front edge of the table 26 by conventional means. A leg portion 252 extends transversely from the leg portion and away from the edge 30, to which the leg 244 is fastened by means of a fastening device 253. The bracket 248 is installed such that the operator can erreiohen the switch comfortable, "w In the illustrated Auslührungsbel- play this switch is arranged directly next to the projection and the magnet 136, when the accessory device 64 is SiOH In the i shown in Fig. Position.

With 254 is a relatively small, essentially denotes hollow sleeve or hollow collar; the one or the other from an elastic material, such as rubber or another plastic material, these materials have appropriate physical properties. The sleeves 254 lie on the top 26 of the table 24, and

jgwar

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right from the button sewing material 20, as shown in FIG. 1 and these sleeves are fully relaxed and contracted before being used in the machine. Together with the use of device 04, it should be noted that that the IlUleen 254 was relaxed and contracted Position on the fingers 142, 154 (Fig. Θ) can be attached when the finger 154 rests against the finger 142 and that The device is in the rest position or in the inoperative position. When the device is put into operation, it will the magnet 186 is energized, and the finger 154 is separated from the finger to remove the sleeve 254 from its relaxed cylindrical shape Fore, as shown in FIG. 8, into the Fora shown in FIG. 9. .

The device 64 is! ■ Operation not complicated and the formation of the thread handle can best be described by it by first referring to Figure 2 of the drawings.

The device 64 is shown here in one of its two operating positions. As shown in Figure 2, the lever 76 is around its Swivel connection 72 around in a direction opposite to the clockwise rotation from the position shown in FIG swung out. During this movement, the support plate 110 and the Kiemente, which are assigned to this support plate, by moving the smooth arch through it. The degree angle the movement is such that the edge 112a of the main portion 112 of the plate 110, the edge 36Λ of the plate 36 free there and lies next to this edge. It should be noted that the- «E two plates are normally arranged at a perpendicular distance from one another when the device 64 is in the in Hg. 1 is the operating position shown.

It

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It eel now reminded that the lever 76 consists of a elastic material and when the lever is depressed to bring the plate IiO into its temporarily disengaged or inoperative relative position with respect to the sewing machine 20, as shown in Fig. 2, the The support plate is permanently biased in such a way that it has the tendency to move upwards into the plane of its operating position, as shown in FIG. If the If the support plate 110 is released from its inoperative position shown in FIG. 2, the lever 76 moves together with the support plate 110 under the pulling action of the spring 104 in the clockwise direction of rotation, so that the plate is moved to a position in which it is above the plate 36, as shown in FIG. The plate Ho comes to a standstill between plate 36 and needle 46 This rotary movement is caused by the abutment of the stop 82 limited against the rod 66. The rotary movement of the lever is stopped in such a way that the slot 130 is arranged in a vertically aligned position relative to the needle receiving opening 38 and to the needle 46. The plate 110 remains in its operative position for sewing on any buttons that have been stalked must be in accordance with the established procedure. The plate is only swiveled outwards when a button without a stem is to be sewn on.

A mounting button 255 is in the recess in the usual Manner and the button 58 is inserted into the button clamping device 52 likewise in the usual manner. the Operator pereon now takes a relaxed handle 254 or a relaxed sleeve 254 and places it over the fingers and 154, as shown in phantom in FIG.

A fabric material 256 (see Figs. 10 and 11) is folded, over to form the soles 258 and 260 and is placed by the operator over the plate 236, namely under the support plate 110. The operator now presses the Bw-009833/0803 actuation button

operation switch button 246, lowers button chuck 52 and starts sewing machine 20, these operations being carried out in the usual manner.

When the holder actuation button 246 is depressed, the coil 210 is energized and thereby the armature 204 is withdrawn. When the transverse head 208 is aligned with the winding 210 moves, the tine 152 follows the movement in the same direction and the handle ISO slides in near reohte the guide channel 148 and carries the finger 154 with sioh. Of the Finger 164 is thus separated from fixed finger 142 and this causes sleeve or stem 254 is expanded from the relaxed position shown in FIG. 8 to the expanded position shown in FIG.

The longitudinal axes of the legs 138 and 150 are preferably aligned with the main axis of the opening 38 so that when the fingers 142 and 144 are relatively separated from one another, the The major axis of the expanded stem 254 is substantially coaxial with the major axis of the leg portions 158 and 150 and the major axis of the opening 38. If the sleeve or As the stem 254 is expanded, it assumes a configuration that is concentric with the opening 38 to allow the needle 46 to pass freely through the stem during the operation Sewing on * can occur.

When button 58 is lowered as described above, the button contacts the upper ends of fingers 142, 154 (see FIG Fig. 10). During the usual and normal operation of the sewing machine 20, the needle 46 guides the thread 50 through Button openings 60 and 62 and through the fabric layers 258 and 260 up and down and further through the opening

gene

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gen 264 of the aging button 255 in the usual and known manner. In this case, as shown in FIG. 10, the needle 46 reciprocates to establish the suture connection 264 between the button 58 and the tissue 256 between the fingers 142 and 154 and within the expanded stem or sleeve 254.

When the thread connection 264 is ready, the sewing machine 20 is stopped and the parts of the sewing machine return to the rest position shown in FIG. 1. The operator then releases the switch actuation button 246, whereby the connection line to the winding 210 is interrupted and thereby it falls off. The helical spring 232 moves the armature 204 away from the winding 210 in a Rlohtung so that it reaches the rest position shown _{in FIGS. 1 f} 2 _{(4 and 5).}

When the coil 210 has fallen off, the tine moves 152 in the reverse direction and the leg portion 150 slides in the guide channel 148 to the finger 154 in his Bring back neighbor position next to finger 142, like it is shown in FIG.

The operator now takes the button clamping device 52 and removes the garment or fabric 156 from the masohine. When the fabric 156 is removed, the The suture is torn and the stem or sleeve 254 is lifted from fingers 142 and 154, pas tissue 156 then brought into a new position relative to the plate 36 or a new piece of tissue is inserted and the above The process described is repeated in order to sew on a second button and stalk it.

009833/0103

As already stated, the support plate 11Θ in its in 1 held during the sewing of the button. Only when a button is sewn that is not to be provided with a bit of a stem or sleeve, the plate 110 is in its temporary Moves the rest position, which is shown in FIG.

The conical shape of the fingers 142 and 154 is provided, to ensure a frictional hardening of the handle '254, while finger 154 is moved to finger 142 because such a conical fora does not exist 1st, the stem 254 may inadvertently be dislodged from its position relative to the fingers 142 and 154 if this is expanded.

There was an exemplary embodiment of the invention in general and it should be noted that the invention is not limited to this embodiment.

Claims

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Claims (1)

Claims 1. Additional device for producing a handle wrapping about the thread connection for a button bahiaasoöine, gek «nih ~ seichnet by a bracket, which is designed in such a way, that this can be closed on the mower aage, Fingers that are mounted on the holder and that have a first position in which the fingers are close together, ure an expandable stem around this © finger to take in, with facilities being provided, to move the fingers relative to each other By opening a second position, the stem is extended. 2. Apparatus according to claim 1, characterized gekennzelehnet, dal the actuator egg have a motor direction, which is mounted on the carrier and which is in drive connection with the finger to perform the movement from the first to the second position and the reverse movement · 3. Apparatus according to claim 1, characterized in that the fingers have a pair of L-shaped members, each of which has an elongated thigh section which terminates at one end in a bent finger ₉ wherein the fingers lie together in the first position and in the second position are arranged at a distance relative to each other « 4. Device according to claim 3, characterized by devices, the one of the L-shaped bodices against movement at the Hold carrier firmly, the actuating devices a Have motor mounted on the carrier and in driving connection with the leg portion of the other 009833/0803 181305? reη L-shaped limb stands to the movement of the last said L-shaped member from its first to the second position relative to the first L-shaped member 5. Apparatus naoh claim 1, characterized in that the Bracket has a plate, the two opposite Has sides and an opening extending across the plate, the fingers being a pair of L-shaped Have members, each of which · one elongated Has thigh rejection, which at one end in a seltlloh * extending finger expires, devices being provided which firmly connect the sole portion of the one L-shaped member to the support plate in such a way that that the finger extends through said opening, means qn of the support plate are provided for slidably receiving the leg portion of the other L-shaped member to co-operate with those fingers can move back and forth extending through the opening and in the same direction as the first finger. 6, device according to claim 5, characterized in that the actuating means have a motor device that devices are provided which the motor device with connect the plate and that means are provided which the motor means with the Sohenkelabschnitt of the other L-shaped limb to perform the mn and backward movement of the limb and thus the relative movement of the fingers from the first to the second position and vice versa » 7. Apparatus according to claim 6, characterized in that the motor means comprises a normally dropped electromagnet which has a reciprocating armature Has. 009833/0803 which is normally in an extended first position ₉ when the magnet has fallen and which comes to a retracted second position when the electromagnet is energized, means being connected to the armature ₉ around this armature permanently in its biasing the first position, whereby the operating connection connects the tavern section of the second L-shaped member with the armature and the electromagnet retracts the armature from its first into the wider position when excited _{9 over} the fingers of the second L-shaped element .ee from the first position into the second position against the force of the Yorspananuagsmittel zu toewegefij whereby iiess pre-tensioning means when the »Slelrtftonagneten fall» that the armature is only moved from its second position is oeiae only o position to the »said finger of the aaderea L -fGrassigen GIi © des move from its wide position to its eroto position " s * device according to claim. T ₁ characterized by a lever that is connected to the support plate ΐΐηά Elariclhtwngeia on the lever »which establish a connection with the KaopinMfeaaechine» t »IiiopCnäiiacschiEe mit eiaer ¥ ®irrioMaag aar manufacturing agreement of the Fcdeaverlsiiaömeg swisolien Kaopf us? .d Ma-; If ₁₁ is indicated by _ε . that the EnopiaäliiMasohiß © a Stisiii and a sewing needle ₉ the back and forth movement licli to the base and from the ⁵ Basiiä 'is aageorditit, with the additional device © ine support plate! on we is _t that has a llffiiiijig, the ssicia across this support plate la the iswegiaigsaaJiii the back and forth Iiei -mobillielüea Iladal, whereby Fiager in this iffiaamg ^ © rgsseteaa niiad ιμμϊ dioht are drawn together in a first position sESgc © rdne , in essential feslile to receive resilient sleeve, wherein a motor is attached to the support plate and is operable to move the fingers relatively apart from one another to a second position and about expanding the sleeve or stem to make it surrounds the needle as it reciprocates, the motofr being actuatable to pull the fingers out of it to bring the second position back to its first position. 10. The device according to claim 8, gekennz.lehnet by a Lever that pivotally connects the support plate to the base, around said opening in the path of movement of the reciprocating needle to move in and out of this. 11. The device according to claim 10, characterized by devices that are old connected to the lever to this lever to be constantly biased so that it rotates in a direction around the opening in the trajectory of the To arrange needle. 12 «Procedure for sewing buttons to a fabric and for Covering the thread connection between the fabric and the button, characterized in that a hollow elastic contracted · cylindrical sleeve or a hollow resilient contracted stem between the button and the Tissue is attached, that this stem is expanded, that the button is sewn to the fabric in order to produce the thread connection, the stem circumferentially surrounding this thread connection and that the stem is drawn together around the thread connection. 009833/0803