US3807197A - Pattern selector apparatus for a circular knitting machine - Google Patents

Pattern selector apparatus for a circular knitting machine Download PDF

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Publication number
US3807197A
US3807197A US00185158A US18515871A US3807197A US 3807197 A US3807197 A US 3807197A US 00185158 A US00185158 A US 00185158A US 18515871 A US18515871 A US 18515871A US 3807197 A US3807197 A US 3807197A
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Prior art keywords
selector
preselector
slides
pattern
arresting
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Expired - Lifetime
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US00185158A
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English (en)
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E Plath
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Mayer and Cie GmbH and Co
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Mayer and Cie GmbH and Co
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
    • D04B15/78—Electrical devices

Definitions

  • Each selector device includes a set of selector slides which have an actuating positionfor moving jacks to an ineffective position.
  • a single preselecting device rotates with the needle cylinder and has a set of preselector ,slides which are selectively shifted to and from an operative position by reversible electromagnets energized in accordancewith a desired knitting pattern. Preselector slides in, the operative position shift the correlated selector slides of all selector devices successively to the actuating position displacing the respective jacks.
  • the present invention is concerned with a pattern selector apparatus for a circular knitting machine which has a rotary needle carrier, such as a needle cylinder, and a stationary cam box.
  • a set of stationary electromagnetic control-means is provided instead of the pattern drums which are electrically controlled to set the knitting machine to different knitting patterns. It is a disadvantage of such an arrangement according to the prior art that the number of electromagnetic control means must be equal to the number of knitting stationsso that a comparatively greater number of electromagnetic control means is required.
  • Another object of the invention is to provide only a single set of electromagnetic control means which rotates with the rotary needle carrier of the knitting machine, replacing the electromagnetic control means at each knitting station of the knitting machines according to the prior art.
  • Another object of the invention is to provide a mechanically operating stationary selector device at each knitting station of the knitting machine, and to successively set each selector device by asingle electromagnetically controlled presetting device rotating with the needle cylinder or other rotary needle carrier.
  • a pattern selector apparatus is advantageous provided in a circular knitting machine having a plurality of knitting stations, and including rotary carrier means having axial guideways, pairs of needles and needleinfluencing jacks movably mounted in the guideways and having butts projecting out of the guideways in a normal position, and stator means including cam means for guiding the projecting butts.
  • a pattern selector apparatus comprises a pluralityof sesition of rest and an actuating position for engaging the projecting butts of jacks in the normal position so that the respective jacks are pushed to a displaced ineffective position.
  • a single preselector device is connected with the rotary carrier means for synchronous rotation and passes successively the selector devices during each revolution of the carrier means.
  • the preselecting device includes a set of preselector means, preferably preselector slides, correlated with the selector slides, respectively, of the sets of selector slides of all selector devices, and being mounted for individual movement between an inoperative position, and an operative position moving along a circular path in which correlated selctor slides of all selector devices are located in the position of rest. 7
  • the preselector device further includes a set of reversible electromagnetic control means connected with the preselector slides, respectively, for moving selected preselector slides in opposite directions between the inoperative and operative positions in accordance with a knitting pattern which is represented by energizing pulses supplied to the electromagnetic control means.
  • the electromagnetic control means, the preselector slides, and the selector slides have the same number, and pairs of preselector slides and selector slides are located at the same level, corresponding to the different levels of the butts of the respective jacks which are mounted in the slots of the needle cylinder for angular movement between a normal position and an ineffective position in which they cannot influence the movement of the correlated needles.
  • the electromagnetic control means are connected by circular slide rings on the rotary carrier means, and corresponding stationary contact brushes with a pattern control device which is set to a selected knitting pattern.
  • the electric pattern control means is constructed in such a manner that the-knitting pattern can be quickly changes.
  • patternlprogram carriers in the form of plug boards are particularly suitable since they permit the storing of a desired knitting pattern by means of plugs whose correct position can be visually observed. All plugs representing the desired pattern can be mounted on a common supporting sheet and together inserted into the plug board, and, when required, again pulled out of the sockets of the plug board.
  • pattern cards or other pattern carriers can be used, which can be easily exchanged when a new knitting pattern is desired.
  • An electro-optic transducer which rotates in synchronism with the needle cylinders of the knitting machine, is-used for reading out the information from the pattern cards.
  • each provided selector device includes an arresting latch for locking all selector slides of the respective selector device in the position of rest, and in the actuating position for displacing the respective jack.
  • An actuating means rotating withthe preselector device, successively engages the locking latches of the selector devices to cause release of the respective selector slides by the arresting latch for permitting the shifting of the same by the preselector slide between the position of rest and the actuating position.
  • the rotating actuating means has a cam portion cooperating with the arresting latches of the selector devices for shifting the same from the arresting position, to which the latches are urged by springs, to the releasing position in which the selector slides can be shifted.
  • the present invention has the advantage that the knitting pattern can be quickly changed, and that a comparatively inexpensive apparatus replaces a great number of pattern drums according to the prior art.
  • the cylinder carrier ring 30 supports a preselector device 34 for rotation along a circular path having a center in the axis of the rotary knitting cylinder so that the preselector device 34 successively passes a set of selector device 17 which are provided at the knitting stations of the machine,
  • FIG. 2 shows the single preselector device 34 passing one of the selector devices 17.
  • the preselector device 34 has a set of 12 axially and vertically aligned preselector means or slides 42 which are mounted in the preselector housing 34a for radial movement.
  • Each preselector slide 42 has an inner end formed with a cam portion 43, and has two guide slots 44 which include portions slanted -to the radial direction of movement of preselector slides 42;
  • FIG. 5 is a fragmentary circuit diagram illustrating a detail of the pattern control means schematically shown in FIG. 4.
  • a circular knitting machine of standard construction has a cam box to which a plate 11 is secured.
  • Plate 11 is mounted by ring sections 12 on radially inward projecting brackets 13 on supporting columns 14, only one of which is shown in FIGS. 1 and 2.
  • the annular plate 11 is secured to a cylindrical wall 15 which has openings -16, and is closely spaced from the outer surfaceof the needle carrier or needle'cylinder 28.
  • Cam box 10, plate 11, and cylindrical wall 15 carry cam elements 18, 19, 20, 21 and 22 between which ca'm track channels for the butts '24 of the latch needles 23 are formed, or which form tracks for the butts 25 and 26 of pattern jacks 27 which are guided in guideways on the outer surface of the lower part 29 of the needle cylinder which has an upper part 28 which has axial guideways in which latch needles 23 are mounted for up-and-down movement under control.
  • cams 19, 20 forming a cam track in which needle butts 24 are locatedfAs shown in FIGS.
  • the jacks 27 have a normal position in which the jack butts 51 project out of the guideways, and an ineffective position in which the jack butts 51 or 29 are located within the guideways and are consequently ineffective to operate the needles-
  • the rotary carrier means of the knitting machine include a carrier ring 30 to which the lower portion 29 of the needle cylinder is secured, and which has an outer gear 31 meshing with a drive gear 32se- 47.
  • the reversing magnets 47 are arranged in two rows located on each side of the stack of preselector slides 47, and each pair of reversing electromagnets 47 controls two consecutive preselector slides 47, each of which has two slots 44. As best seen in FIG.
  • each reversing magnet 47 has a. shifting means 46, and magnets 47 located on opposite sides of the 12 preselector slides 42 operate adjacent axially aligned shifting means 46 so .that theset of 12 required reversing electromagnets 47 can control closely spaced aligned thinpreselector slides 42. Only one guide slot 44 is actually required in each preselector slide 42,v but it is less expensive to manufacture all preselector slides 42 with two guide slots 44 instead of manufacturing two different preselector slides 42, each of which has one slot 44 in a different position.
  • an insulating plate 36 is secured to the rotary carrier ring 30 in which a set of circular slide rings 37 is partly embedded in a position concentric with the axis of .rotation of the rotary carrier means 28, 29, 30.
  • I2 connecting lines forming a cable 38 connect 12 of the slide rings 37 with the first ends of the'windings of electromagnets 47, while the slide ring 37is connected to ground and to all second ends of the windings.
  • a spring-biasedcontact brush in the form of a pin'39-cooperates with each slide ring 37, and a contact pin 39' cooperates with slide ring 37'.
  • Wires are connected to all contact pins 39, 39' and are combined in a cable 41 for establishing electric connections with a pattern control means which will be explained with reference to FIGS. 4 and 5.
  • the contact pins 39, 39 are located in bores of a stationary annular plate 40 which is secured to the supporting columns 14 of the machine so that the contact pins 39,39 are stationary while the slide rings 37, 37 rotate with the preselector device 34 and the electromagnets 47.
  • pin 45 on one of the shifting means 46 is located in the end portions of the respective guide slot 44 so that the respective preselector slide 42 is either in the position of rest shown in FIG.
  • cam projection 43 can pass the projection 48 of the respective selector slide 49 held by spring 50 in the illustrated position of rest in which the portion 52 of selector slide 49 does not engage or displace the respective jack butts 51.
  • each selector device 17 includes mounting means 17a supporting a stack of l2 vertically aligned selector slides 49 for radial movement between a position of rest shown at the center of FIG. 2, and an actuated position shown in the upper portion of FIG. 2.
  • a preselector slide 42 cooperates with a selector slide 49 of a selector device 17 passed by the preselector device 34.
  • All 12 selector slides 49 of the selector device 17 have two arresting notches 53 and 54 which can be engaged by an arresting latch 55 forming part of each selector device 17.
  • Arresting latch 55 has a lower end located in the path of movement of an actuating cam member which is secured to the rotary carrierring 30, and rotates together with the preselector device 34. When during rotation of the rotary carrier means, actuating cam 35 engages the arresting latch 55 of one of the selector device 17, the respective arresting latch 55 I is shifted upward against the force of a return spring 56.
  • Each arresting latch 55 has two guide slots 58 slanted to the direction of movement of arresting latch 55, and
  • the actuating cam means 35 is arranged in the region of the preselector device 34 substantially aligned with the same in radial direction, so that the release of the selector slides 49 takes place shortly before the cam projection 43 of the respective preselector slide 42 engages the projection 48 of the selector slide 49 of a stationary selector device.
  • the arresting of all selector slides 49 in the position determined by the preselector device 4 takes place before projection 48 is released by the cam portion 43 of the respective preselector slide 42.
  • the respective arresting latch 55 falls into arresting notch 54 or 53.
  • the arresting latch 55 of each selector device 17 locks the respective selector slides 49 either in the position of rest or in the actuating position, depending on the preselection by means of preselector device 34, and the selector slide 49 of each selector device 17 remain arrested for one revolution until the respective selector devices pass again the preselector device 17.
  • Theelectromagnetic control means 47 with shifting means 46 and reversing electromagnet 47 receive energizing control pulses from program control means so that during rotation of the preselector device 34, the electromagnetic means 47 are energized while moving between two successive stationary selector devices 17,
  • FIGS. 4 and 5 show a program storage 16 in the form of a matrix which has in several planes, switching points arranged in lines and columns.
  • the switching points 61 are schematically represented by the fields of the program storage matrix 60 whose function will be explained in greater detail with'reference to' FIG. 5.
  • the program'storage matrix 60 is associated with a vertical counter 62 which has an output 63 for each line of the program storage matrix.
  • the vertical counter 62 is connected with a presetting device 64, and with a program selector 65.
  • a rotary pulse generator 66 stepwise shifts the vertical counter 62 in synchronism with the rotary carrier means 28,- 29, 30 of the knitting machine.
  • the program storage matrix 60 has for each column, and for all switching planes, an output connector 67 which is connected by the wires of cable 41, see FIG. 1, with the contact pins 39. Since contact pins 39 slide on the slide rings 37, the required electric connection between the output connectors 67 with the reversible electromagnetic means 47 of preselector device 34 is obtained. The return conductors of all electromagnetic means 47 of the preselector device 35 are all connected to the common slide ring 37 which is connected by contact pin 39' with ground.
  • FIG. 5 shows a detail of FIG. 4 on an enlarged scale. Columns 1 and 2, and groups of four lines are shown.
  • the program storage matrix 60 has. four switching planes, each being associated with a yarn of different color.
  • switches 68, 69, 70 and 71 are provided at each switching point 61, where a line crosses a column of the program storage matrix.
  • the switches of each group are' aligned, so that they can be individual or together influenced and shifted by plugs, not shown, inserted into corresponding sockets, and being of different length or position.
  • the lines connecting the groups of switches 68 to 71 have separate inputs 72, 73, 74 and 75, which correspond to the schematically shown-input lines 63 of FIG.-4, and are connected with the respective stage of the vertical counter 62associated with the respective line of the program storage matrix.
  • all groups of switches in the samecolumn are connected with the column output 67.
  • the vertical counter 62 is shifted by signals from the rotary generator 62 during movement of the preselector device'34 from one selector device 17 to the next, to the next following stage so that successively a voltage is applied to the four line inputs 72 to 75.
  • a l-signal or a O-signal occurs at all column output lines 67 of the program storage matrix.
  • the respective signals of outputs 67 are sorted by two logic electronic switches 76 and 77 and transmitted to separate inputs of a switching device 78 which supplies an energizing pulse from a direct current source 79 through output line 80. to the respective contact pin 39 and slide ring 37, see FIG. 1 and FIG. 4, and to one of the reversing windings 47a and 47b of a direct current electromagnetic means47. 4
  • the vertical counter 62 can be set to a predetermined number of lines by operation of the presetting device 64.
  • the counter shifts back to the first line.
  • a whole line of the program storage matrix 60 is simultaneously and rapidly read out under control of the vertical counter 62, so that at each of the outputs 67, an output signal may simultaneously occur. Since each column output 67 is associated with a specific reversing electromagnetic means 47 in the preselector device 34, all electromagnets 47 are simultaneously energized and shifted.
  • the four line inputs 72 to 75 are successively connected with the voltage. If the pattern is to be knitted only with two colors instead of four colors, the input 74 and 75 may be skipped.
  • a perforated tape and the read-out head may be used as program control means. It is also possible to provide electro-optical read-out means for reading color information of a desired knitting pattern from a sample pattern having differently colored-areas corresponding to stitches with differently colored yarns in the pattern fabric knitted by the knitting machine.
  • Patternselector apparatus as claimed in claim 1 wherein said arresting means of each selector device includes an arresting latch crossing the respective selector slides and having a locking position engaging said selector slides, and a releasing'position releasing said selector slides, and spring means urging said arresting latch to said locking position; and wherein said actuating means moves said arresting latch of each selector device successively to: said releasing position when engaging the same.
  • Pattern selector apparatus as claimed in claim 2 are in said position of rest and in said actuating position, respectively, and released by said arrestinglatch in said releasing position.
  • Pattern selector apparatus as claimed in claim 1; wherein said preselector means are aligned preselector slides located at the same levels as said selector slides, and having the same number.
  • each preselector slide has at least one guide slot slanted to the direction of movement of said preselector slides; wherein said reversing shifting means are mounted for movement transverse to said direction of movement and include at least one stud located in said slanted guide slot so that when said reversing shifting means are transversely shifted by said reversing magnet means between two end positions, said preselector slides are shifted between said inoperative and operative positions.
  • Pattern selector apparatus as claimed in claim 1 wherein said jacks have staggered butts located at different levels and projecting out of said guideways in said normal position of said jacks; and wherein said selector slides in said actuating position engage the projecting butts of jacks in said normal position located at the same level, respectively, for moving said jacks to said ineffective position.
  • Pattern selector apparatus as claimed in claim 1, wherein said reversing magnets include reversing winding means for moving said shifting means in opposite directions between said end positions, and furtherincludin'g pattern control means connected with said reversing winding means for selectively supplying thereto control pulses representing a desired knitting pattern, for shifting any selected reversible shifting means to selected end positions for moving a selected preselector means between said inoperative and operative positions in accordance with the desired knitting pattern.
  • Pattern selector apparatus as claimed in claim 7 and comprising a set of circular slide rings secured to said rotary carrier means concentric with the axis thereof; a set of connectors for connecting said slide rings with said reversing windings, respectively; a set of contact brushes respectively engaging said slide rings and mounted on said stator means; said pattern control means being stationary and selectively supplying control pulses representing a desired knitting pattern to said set of contact brushes.
  • Pattern selector apparatus as claimed in claim 7 wherein said pattern control means comprise electronic storage means including switch means arranged in lines and columns in said storage means for storing a desired knitting pattern in said storage means, and pattern representing means for setting said switching means simultaneously to a desired knitting pattern.
  • Pattern selector apparatus as claimed in claim 9 wherein said pattern control means includes a column counter, and a rotary pulse. generator connected for rotation with said carrier means for successively interrogating the lines of said storage means in synchronism with the rotation of said preselector device.
  • Pattern selector apparatus as claimed in claim 1 wherein said set of preselector means is a set of aligned preselector slides; wherein said set of reversible electromagnetic control means includes a pair of rows of electromagnetic control means located on each side of said set-- of aligned preselector slides; and wherein said reversible shifting means of each pair are connected to spaced points of successive preselector slides.
  • a pattern selector apparatus comprising a plurality of selector devices mounted on said stator means circumferentially spaced about said rotary carrier means in accordance with the knitting stations, each selector device including a set of selector means, and means mounting said selector means for individual movement between a position of rest, and an actuating position for engaging jacks in said normal position so that the respective jacks are displaced to said ineffective position; and one preselector device connected with said rotary carrier means for synchronous rotation and successively passing said selector devices during each revolution of said carrier means, said preselecting device including a set of preselector means correlatedvwith said selector means, respectively, of said sets of selector means of all said
  • each selector means of each selector device having a pair of arresting notches engaged by said arresting latch in said locking position when said selector means are in said positionof rest and in said actuating position, respectively, and released by said arresting latch in said releasing position;
  • said mounting means of each selector device including a pair of pins; each arresting latch having a pair of slanted slots in which said pins are located; respectively, so that said arresting latch is transversely shifted between said locking andreleasing positions when longitudinally shifted;
  • said actuating means including a cam moving in said circular path for successively engaging said arresting latches of said selector devices for longitudinally displacing said arresting latches; and said spring means being secured to said mounting means andto said arresting latch in a position for urging said arresting latch in longitudinal direction into said

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US00185158A 1970-10-05 1971-09-30 Pattern selector apparatus for a circular knitting machine Expired - Lifetime US3807197A (en)

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Application Number Priority Date Filing Date Title
DE19702048832 DE2048832A1 (de) 1970-10-05 1970-10-05 Mehrsystemige Rundstrickmaschine

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US3807197A true US3807197A (en) 1974-04-30

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US00185158A Expired - Lifetime US3807197A (en) 1970-10-05 1971-09-30 Pattern selector apparatus for a circular knitting machine

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US (1) US3807197A (de)
JP (1) JPS5214782B1 (de)
CH (1) CH525987A (de)
DE (1) DE2048832A1 (de)
ES (1) ES394854A1 (de)
FR (1) FR2109844A5 (de)
GB (1) GB1321764A (de)
IT (1) IT942582B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854304A (en) * 1972-02-08 1974-12-17 Mayer & Cie Maschinenfabrik Multi-system circular knitting maching having a pattern device
US3995451A (en) * 1971-03-30 1976-12-07 Firma Franz Morat Gmbh Patterning mechanism
US5090219A (en) * 1987-08-14 1992-02-25 Sipra Patententwicklungsund Beteiligungsgesellschaft Mbh Setting device for needle selecting apparatuses of a multisystem circular knitting machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632024A5 (de) * 1978-09-12 1982-09-15 Steiger Atelier De Constructio Einzelnadelauswahlvorrichtung fuer flachstrickmaschinen.
GB2202868A (en) * 1987-04-01 1988-10-05 Camber Int Ltd Pattern selecting mechanisms for circular knitting machines
EP4006339B1 (de) 2020-11-27 2024-07-03 Erbe Elektromedizin GmbH Pumpeneinheit für medizinische zwecke

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE716444C (de) * 1938-07-26 1942-01-21 Terrot Soehne & Co C Mustereinrichtung fuer Rundstrickmaschinen
US2348932A (en) * 1943-03-17 1944-05-16 Western Electric Co Knitting machine
DE1121266B (de) * 1958-09-19 1962-01-04 Terrot Soehne & Co C Mustervorrichtung fuer Buntmuster-Rundstrickmaschinen
GB1057878A (en) * 1962-11-13 1967-02-08 Cotton Ltd W Improvements in or relating to straight bar knitting machines
GB1165368A (en) * 1966-12-05 1969-09-24 Fahrradwerk Elite Diamant Veb Control Arrangement for Knitting Machines
US3470714A (en) * 1964-02-04 1969-10-07 Andre Corbaz Method of and an apparatus for controlling electromechanical organ with on-off operation in accordance with a digital program in a machine having a variable operating speed
US3568473A (en) * 1968-01-24 1971-03-09 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3585819A (en) * 1967-08-04 1971-06-22 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3638456A (en) * 1968-10-24 1972-02-01 Jumberca Sa Device for circular knitting machines
US3665731A (en) * 1969-01-24 1972-05-30 Mayer & Cie Maschinenfabrik Electrical pattern mechanism for circular knitting machines
US3709003A (en) * 1969-10-22 1973-01-09 Wildt Mellor Bromley Ltd Pattern control mechanisms for knitting machines
US3733855A (en) * 1970-12-02 1973-05-22 Stibbe Machinery Ltd Electronically controlled needle selection system for knitting machines

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE716444C (de) * 1938-07-26 1942-01-21 Terrot Soehne & Co C Mustereinrichtung fuer Rundstrickmaschinen
US2348932A (en) * 1943-03-17 1944-05-16 Western Electric Co Knitting machine
DE1121266B (de) * 1958-09-19 1962-01-04 Terrot Soehne & Co C Mustervorrichtung fuer Buntmuster-Rundstrickmaschinen
GB1057878A (en) * 1962-11-13 1967-02-08 Cotton Ltd W Improvements in or relating to straight bar knitting machines
US3470714A (en) * 1964-02-04 1969-10-07 Andre Corbaz Method of and an apparatus for controlling electromechanical organ with on-off operation in accordance with a digital program in a machine having a variable operating speed
GB1165368A (en) * 1966-12-05 1969-09-24 Fahrradwerk Elite Diamant Veb Control Arrangement for Knitting Machines
US3585819A (en) * 1967-08-04 1971-06-22 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3568473A (en) * 1968-01-24 1971-03-09 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3638456A (en) * 1968-10-24 1972-02-01 Jumberca Sa Device for circular knitting machines
US3665731A (en) * 1969-01-24 1972-05-30 Mayer & Cie Maschinenfabrik Electrical pattern mechanism for circular knitting machines
US3709003A (en) * 1969-10-22 1973-01-09 Wildt Mellor Bromley Ltd Pattern control mechanisms for knitting machines
US3733855A (en) * 1970-12-02 1973-05-22 Stibbe Machinery Ltd Electronically controlled needle selection system for knitting machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995451A (en) * 1971-03-30 1976-12-07 Firma Franz Morat Gmbh Patterning mechanism
US3854304A (en) * 1972-02-08 1974-12-17 Mayer & Cie Maschinenfabrik Multi-system circular knitting maching having a pattern device
US5090219A (en) * 1987-08-14 1992-02-25 Sipra Patententwicklungsund Beteiligungsgesellschaft Mbh Setting device for needle selecting apparatuses of a multisystem circular knitting machine

Also Published As

Publication number Publication date
GB1321764A (en) 1973-06-27
DE2048832A1 (de) 1972-04-13
JPS5214782B1 (de) 1977-04-23
IT942582B (it) 1973-04-02
ES394854A1 (es) 1974-12-01
FR2109844A5 (de) 1972-05-26
CH525987A (de) 1972-07-31

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