US3695199A - Shuttle embroidering machine - Google Patents

Shuttle embroidering machine Download PDF

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Publication number
US3695199A
US3695199A US81022A US3695199DA US3695199A US 3695199 A US3695199 A US 3695199A US 81022 A US81022 A US 81022A US 3695199D A US3695199D A US 3695199DA US 3695199 A US3695199 A US 3695199A
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US
United States
Prior art keywords
pawl
needle bar
needle
control shaft
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US81022A
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English (en)
Inventor
Hans Rolauffs
Hubert Hoven
Hans Hippel
Max Schafer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Carl Zangs AG
Original Assignee
Maschinenfabrik Carl Zangs AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19691952307 external-priority patent/DE1952307C/de
Priority claimed from DE19702027630 external-priority patent/DE2027630C3/de
Application filed by Maschinenfabrik Carl Zangs AG filed Critical Maschinenfabrik Carl Zangs AG
Application granted granted Critical
Publication of US3695199A publication Critical patent/US3695199A/en
Assigned to ADOLF SAURER reassignment ADOLF SAURER ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MASCHINENFABRIK KARL ZANGS AG, BY` RECHTSANWALTDIETER ZIRPINS, TRUSTEE IN BANKING RUPTCY
Assigned to MASCHINENFABRIK KARL ZANGS AG, BY' RECHTSANWALTDIETER ZIRPINS, TRUSTEE IN BANK RUPTCY reassignment MASCHINENFABRIK KARL ZANGS AG, BY' RECHTSANWALTDIETER ZIRPINS, TRUSTEE IN BANK RUPTCY COURT APPOINTMENT - EFFECTIVE JULY 05, 1984 (SEE DOCUMENT FOR DETAILS) Assignors: MASCHINENFABRIK CARL ZANGS AKTIENGESELLSCHAFT, BANKRUPT.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/16—Arrangements for repeating thread patterns or for changing threads

Definitions

  • Each needle bar carries a pawl for coupling it to the rail and a control shaft engaging the pawls has depressions arranged thereon for controlling the pawls when the control shaft is turned.
  • the turning of the control shaft may be programmed in any suitable manner and, furthermore, the control shaft can be exchanged for another having a different pattern of pawl controlling depressions.
  • the present invention relates to a shuttle embroidering machine with needle bars which are independent of each other and individually mounted and guided on needle carriers and which are adapted in conformity with a program either to be coupled to an oscillating driving rail or to be disengaged therefrom.
  • FIG. 1 is a top view of a portion of the needle carrier of the first embodiment of the shuttle embroidering machine according to the present invention.
  • FIG. 2 represents a cross section through the needle carrier, said section being taken along the line "-11 of FIG. 1.
  • FIG. 3 is a cutout of the cross section according to FIG. 2 and shows one needle bar in its working positron.
  • FIG. 4 is a section similar to that of FIG. 3, according to which a needle bar is in its disengaged position, FIG. 4 showing a longitudinal section through a device for manually effecting the disengagement.
  • FIG. 5 shows a section similar to that of FIG. 3, according to which the needle bar can be disengaged by means of a control rod which is manually operable.
  • FIG. 6 is a front view of two thread guiding rollers respectively journalled on two levers.
  • FIG. 7 is a side view of a lever with a shiftable shaft shown in cross section and with a braking roller, the thread guiding roller occupying its working position.
  • FIG. 8 is a side view similar to that of FIG. 7 with the thread guiding roller occupying its rest position.
  • FIG. 9 is'a top view of a portion of the needle carrier of a second embodiment of a shuttle embroidering machine according to the invention.
  • FIG. 10 illustrates on a somewhat larger scale than the preceding figures, a magnet mounted on the guiding bar.
  • each needle bar is adapted to be coupled to the driving rail by means of a pawl journalled on the needle bar, which pawl is adapted to be controlled by a control shaft which is stationarily mounted and rotatable as well as exchangeable.
  • the control shaft has its mantle surface according to the invention provided with elevations and depressions which are arranged in a plurality of rows corresponding to the angle of rotation of the control shaft between two positions while a control ann cooperates with said elevations and depressions.
  • This control arm may be designed as a two-arm lever or two-arm pawl.
  • each needle bar in its disengaged position may, according to another embodiment of the invention, be effected by a magnet arranged at the end of a guiding bar for the pawl carrier and holding the latter fast.
  • a magnet arranged at the end of a guiding bar for the pawl carrier and holding the latter fast.
  • the control shaft will be relieved of clamping forces which, with the embodiment employing a leaf spring, are exerted by the control shaft through the pawls upon the leaf springs of the disengaged needle bars.
  • the magnet may be designed as a permanent annular magnet which, advantageously, is provided with a threaded portion and by means of a counter nut as abutment for limiting the movement of the needle bar is thus adjustably connected to the guiding bar.
  • each needle bar is made individually and manually disengageable independently of the program determined by the design and the position of the control shaft.
  • each needle bar has associated therewith a control rod which acts upon the pawl and which is axially displaceable in a sleeve against the thrust of a pressure spring and is provided with a pivotable lever which is adapted to arrest the control rod in two different directions.
  • FIG. 2 illustrates only a front frame portion 1 of the embroidering machine according to the invention.
  • a needle carrier 3 is connected to the frame portion 1 of which a portion is shown in top view in FIG. 1.
  • Hearing blocks 4 are screwed onto the needle carrier 3 while in said bearing blocks 4 there are respectively journalled and guided needle bars 5 with each needle bar being independently journalled and guided from the other needle bars.
  • the front end of the needle bar 5 has a needle 6 connected thereto by means of a clamping head 7.
  • the bearing block 4 furthermore has mounted thereon a guiding rod 8 which extends parallel to the needle bar 5 and on which a pawl carrier 9 is guided in longitudinal direction, said pawl carrier 9 being connected to the other end of the needle bar 5.
  • the pawl carrier 9 serves for journalling a pawl 10 which is in the form of a two-arm lever and which has one lever arm forming a pawl arm designated with the reference numeral 10;: while the other lever arm forms the control arm 10b.
  • the pawl 10 when occupying its normal position is, by means of a pawl spring 10c, pressed against an abutment pin 9a on the pawl carrier 9 as shown in FIG. 3.
  • a driving rail 11 which extends over the entire width of the embroidering machine and which carries out an oscillating movement.
  • This driving rail 11 is, in conformity with FIG. 2, connected to holding members 15 by means of a clamping strip 12.
  • the said holding members 15 are respectively mounted on driving bars 14.
  • the driving bars 14 are journalled in supporting members 13 and convey the oscillating movement from a non-illustrated driving member to the driving rail 11.
  • the coupling of the needle bars 5 to the driving rail 11 is effected by pawls 10 which, by means of their pawl arm 10a (FIG. 3) couple the pawl carrier 9 and thereby the needle bar 5 to the driving rail 11.
  • the frame of the embroidering machine has a control shaft 17 journalled thereon in stationarily located bearings 16.
  • the pawls 10 are adapted in the rear position of the driving rail 11 (FIGS. 3 and 4) to be controlled by the control shaft 17 and, more specifically, by a cooperation of the control arms 10b of pawls 10 with the surface of the control shaft 17.
  • the control shaft has its mantle surface provided with depressions 17a.
  • the control arm 10b of a pawl 10 in the rear position of the driving rail 11 engages such depressions 17a (FIG. 3)
  • the pawl 10 will in no way be affected.
  • the needle bar 5 will, as before, be further taken along by the driving rail 11. .
  • the control arm 10b of the pawl 10 in the rear end position of the driving rail 11 engages a smooth portion of the mantle surface of the control shaft 17, the pawl arm 10a of pawl 10 is lifted off from the driving rail 11.
  • the needle bar 5 will thus during the next forward movement of the driving rail 11 remain in its rear position, i.e., in its disengaged position.
  • the depressions 17a are, according to the repeat mechanism and the selection of the needles 6 having differently dyed threads threaded therein, arranged in a plurality of rows on the mantle surface of the control shaft 17.
  • the angle of rotation of control shaft 17 may amount for instance to 36, so that this control shaft 17 comprises 10 different possibilities for controlling the needles 6.
  • the control shaft 17 is turned about one or more control steps by driving means, not shown in the drawing.
  • depressions 17a also elevations may be arranged on control shaft 17 which can be produced in any desired manner.
  • each bearing block 4 of the first embodiment has connected thereto a leaf spring 18 which extends through a recess in the pawl carrier 9.
  • each disengaging device comprises a sleeve 20 connected to the cover plate 19 by a guiding nut 22, a control rod 21 being guided in sleeve 20.
  • This control rod 21 when occupying its lower position, presses upon the control arm 10b of the pawl 10 so that the latter in spite of the presence of a depression 17a in control shaft 17 (FIG. 5) is lifted, whereby the needle bar 5 is separated or disengaged from the driving rail 1 1.
  • FIGS. 3 5 One possibility for the structural design of the disengaging device is shown in FIGS. 3 5.
  • the control rod 21, equipped with a pivotable lever 21a is moved in the upper and lower engaging position.
  • the respective position of the control rod 21 is secured by a pressure spring 23 which is located between sleeve 20 and the pivotable lever 21a of control rod 21 (FIG. 4).
  • each thread guiding roller 29 is rotatably journalled on a lever 24 which, in its turn, is pivotally mounted on a bearing member 26.
  • the bearing members 26 are screwed in side-by-side arrangement onto a stationary supporting rail 25.
  • each lever 24 is provided with a control arm 24a which cooperates with the control shaft 27 extending parallel to the brake roller 30.
  • the shiftable or control shaft 27 is, in conformity with the control shaft 17, provided with depressions 27a into which one end of the control arms 24a drops when the pertaining lever 24 is to be brought into working position in which the thread guiding roller 29 engages the rotating brake roller 30.
  • the lever 24 is spring loaded by a lever spring 28.
  • control shaft 27 may be exchanged in a simple manner for another control shaft so that there always exists the possibility of inserting corresponding control shafts 17 and control shafts 27 into the embroidering machine, which shafts will be controlled by the same drive at the same rhythm and as to the same angle of rotation.
  • FIGS. 9 and 10 differs from the first embodiment primarily only with regard to the arresting device for the disengaged needle bars. All other parts are the same and therefore are designated with the same reference numerals.
  • each guiding bar 8 has connected thereto a magnet 31 which continuously tends to retain the pawl carrier 9 in its rear position.
  • this magnet 31 forms a permanent annular magnet which is placed upon the guiding rod 8.
  • Soldered to the magnet 31 is a nut 32 which, together with a counter nut 33, permits an adjustment of the magnet 31 on guiding rod 8 provided with a threaded member so that the magnet 31 can simultaneously serve as abutment for limiting the movement of the needle bar 5.
  • a shuttle embroidering machine a plurality of needle bars reciprocable between retracted and working positions, a needle carrier supporting said needle bars independently of each other, a driving rail for driving said needle bars, a pawl carried by each needle bar having a first position wherein the respective needle bar is coupled to said driving rail for reciprocation thereby and a second position wherein the respective needle bar is disengaged from said driving rail while in retracted position, and means for moving said pawls into and out of engagement with said driving rail including a control shaft in the machine in engagement with said pawls for directly controlling the pawl. on each needle bar, said control shaft being rotatable and having means for controlling movement of said pawls into engagement with said driving rail for effecting said control.
  • a shuttle embroidering machine in which said control shaft has depression means formed therein at differing angles of rotation for each said pawl, and each said pawl comprises a control arm engaging said control shaft in the radial plane of the shaft containing the depression means pertaining thereto.
  • a shuttle embroidering machine which includes a leaf spring adjacent each needle bar and spaced from the bar when the pertaining pawl is in the said first position thereof and adapted to be moved into position to direct the respective needle bar, said pawl when moved to its said second position engaging said leaf spring and moving it to needle bar arresting position.
  • a shuttle embroidering machine which includes a magnet for each needle bar, each magnet being positioned to hold the respective needle bar in retracted position when the pawl pertaining thereto is in the said second position thereof.
  • a shuttle embroidering machine according to claim 4 in which said magnet is an annular permanent magnet.
  • a shuttle embroidering machine a plurality of needle bars reciprocable between retracted and working positions, a needle carrier supporting said needle bars independently of each other; a driving rail for driving said needle bars, a pawl on each needle bar having a first position wherein the respective needle bar is coupled to said driving rail for reciprocation thereby and a second position wherein the respective needle bar is disengaged from said driving rail while in retracted position, a control shaft in the machine for controlling said pawls, said control shaft being rotatable for effecting said control and being nonaxially moveable in said machine and also being exchangeable, said control shaft having depression means formed therein for each said pawl, each said pawl comprising a control arm en gaging said control shaft in the radial plane of the shaft containing the depression means pertaining thereto, an annular permanent magnet for each needle bar, each magnet being positioned to hold the respective needle bar in retracted position when the pawl pertaining thereto is in the said second position thereof, a guide rod being provided for
  • a shuttle embroidering machine according to claim 6 which includes means for manually controlling each needle bar independently of said control shaft.
  • a shuttle embroidering machine a plurality of needle bars reciprocable between retracted and working positions, a needle carrier supporting said needle bars independently of each other, a driving rail for driving said needle bars, a pawl on each needle bar having a first position wherein the respective needle bar is coupled to said driving rail for reciprocation thereby and a second position wherein the respective needle bar is disengaged from said driving rail while in retracted position, a control shaft in the machine for controlling said pawls, said control shaft being rotatable for effecting said control and being nonaxially moveable in said machine and also being exchangeable, said control shaft having depression means formed therein for each said pawl, each said pawl comprising a control arm engaging said control shaft in the radial plane of the shaft containing the depression means pertaining thereto, means for manually controlling each needle bar independently of said control shaft, said means comprising a plunger adapted to engage the respective pawl and move it to the said second position thereof, a spring urging said plunger toward pawl engaging
  • a shuttle embroidering machine a plurality of needle bars reciprocable between retracted and working positions, a needle carrier supporting said needle bars independently of each other, a driving rail for driving said needle bars, a pawl on each needle bar having a first position wherein the respective needle bar is coupled to said driving rail for reciprocation thereby and a second position wherein the respective needle bar is disengaged from said driving rail while in retracted position, a control shaft in the machine for controlling said pawls, said control shaft being rotatable for effecting said control and being nonaxially moveable in said machine and also being exchangeable, a thread guiding roller for each needle bar, a lever supporting each roller and each tiltable to move the respective roller from a braked working position to an unbraked idle position, each lever having a control arm, and a second shaft engaged by said control arms and constructed in conformity with said control shaft, said second shaft being provided with depressions for said control arms and being rotatable and exchangeable.
  • a shuttle embroidering machine operable by an advance program and having a frame; a needle carrier secured to the frame; journalling block means fastened upon said needle carrier; a plurality of needle bar means axially shiftable independently of each other as journalled by said block means and which by way of the advance program are capable of being shifted in or out of use at a time; spring loaded pawl means journalled on said needle bar means for the shifting in and out of use; an interchangeable control shaft rotatably journalled in the frame of the shuttle embroidering machine and directly effective therewith relative to said spring loaded pawl means journalled on said needle bar means; a driving rail means for driving the needle bar means capable of being coupled therewith for to and fro movement; each said pawl means being embodied as a two-arm lever including one pawl arm for coupling with said driving rail means and a control arm which is directly pivotable by way of said control shaft provided with epressions 1n predetermined locations to allow coupling engagement of said control arm.
  • a shuttle embroidering machine which includes leaf spring means journalled on said needle carrier, each said needle bar means in disengaged positioning thereof being adapted to be secured by said leaf spring means which has said one pawl arm engaging thereagainst in raised positioning under pressure.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Automatic Embroidering For Embroidered Or Tufted Products (AREA)
US81022A 1969-10-17 1970-10-15 Shuttle embroidering machine Expired - Lifetime US3695199A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19691952307 DE1952307C (de) 1969-10-17 Schiffchenstickmaschine
DE19702027630 DE2027630C3 (de) 1970-06-05 1970-06-05 Schiffchenstickmaschine

Publications (1)

Publication Number Publication Date
US3695199A true US3695199A (en) 1972-10-03

Family

ID=25758016

Family Applications (1)

Application Number Title Priority Date Filing Date
US81022A Expired - Lifetime US3695199A (en) 1969-10-17 1970-10-15 Shuttle embroidering machine

Country Status (5)

Country Link
US (1) US3695199A (enrdf_load_stackoverflow)
JP (1) JPS5018825B1 (enrdf_load_stackoverflow)
AT (1) AT316968B (enrdf_load_stackoverflow)
CH (1) CH515372A (enrdf_load_stackoverflow)
FR (1) FR2065227A5 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054098A (en) * 1975-09-17 1977-10-18 Maschinenfabrik Carl Zangs Aktiengesellschaft Embroidering machine
US4254721A (en) * 1977-11-07 1981-03-10 Maschinenfabrik Carl Zangs Aktiengesellschaft Device for the intermittent interruption of the embroidery needle movement on embroidery- or sewing machines
US4289086A (en) * 1979-09-26 1981-09-15 Pfaff Industriemaschinen Gmbh Needle bar coupling in an embroidering machine
US4369721A (en) * 1979-09-26 1983-01-25 Pfaff Industriemaschinen Gmbh Embroidering machine with thread changer
US4476793A (en) * 1980-12-19 1984-10-16 Maschinenfabrik Karl Zangs Ag Embroidery machine
US4524703A (en) * 1983-03-17 1985-06-25 Pfaff Industriemaschinen Gmbh Thread changing mechanism for sewing machines

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH651081A5 (de) 1981-02-04 1985-08-30 Saurer Ag Adolph Stickmaschine.
CH651333A5 (de) * 1981-02-04 1985-09-13 Saurer Ag Adolph Stelleinrichtung fuer eine mechanische schalthebelanordnung an einer stickmaschine.
AT395728B (de) * 1982-03-29 1993-02-25 August Heinzle Schiffchenstickmaschine
CH659457A5 (de) * 1983-06-21 1987-01-30 Saurer Ag Adolph Fadenfuehrungseinrichtung fuer eine textilmaschine, insbesondere eine stickmaschine.
ITRM20130344A1 (it) * 2013-06-17 2014-12-18 Teknomac S R L Macchina per cucire e dispositivo di cucitura.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054098A (en) * 1975-09-17 1977-10-18 Maschinenfabrik Carl Zangs Aktiengesellschaft Embroidering machine
US4254721A (en) * 1977-11-07 1981-03-10 Maschinenfabrik Carl Zangs Aktiengesellschaft Device for the intermittent interruption of the embroidery needle movement on embroidery- or sewing machines
US4289086A (en) * 1979-09-26 1981-09-15 Pfaff Industriemaschinen Gmbh Needle bar coupling in an embroidering machine
US4369721A (en) * 1979-09-26 1983-01-25 Pfaff Industriemaschinen Gmbh Embroidering machine with thread changer
US4476793A (en) * 1980-12-19 1984-10-16 Maschinenfabrik Karl Zangs Ag Embroidery machine
US4524703A (en) * 1983-03-17 1985-06-25 Pfaff Industriemaschinen Gmbh Thread changing mechanism for sewing machines

Also Published As

Publication number Publication date
JPS5018825B1 (enrdf_load_stackoverflow) 1975-07-02
AT316968B (de) 1974-08-12
CH515372A (de) 1971-11-15
FR2065227A5 (enrdf_load_stackoverflow) 1971-07-23

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ADOLF SAURER,SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MASCHINENFABRIK KARL ZANGS AG, BY` RECHTSANWALTDIETER ZIRPINS, TRUSTEE IN BANKING RUPTCY;REEL/FRAME:004289/0342

Effective date: 19840705

Owner name: MASCHINENFABRIK KARL ZANGS AG, BY' RECHTSANWALTDIE

Free format text: COURT APPOINTMENT - EFFECTIVE JULY 05, 1984;ASSIGNOR:MASCHINENFABRIK CARL ZANGS AKTIENGESELLSCHAFT, BANKRUPT.;REEL/FRAME:004289/0345

Effective date: 19840705

Owner name: ADOLF SAURER, CH-9320, ARBON, SWITZERLAND A JOINT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MASCHINENFABRIK KARL ZANGS AG, BY` RECHTSANWALTDIETER ZIRPINS, TRUSTEE IN BANKING RUPTCY;REEL/FRAME:004289/0342

Effective date: 19840705