US3892108A - Knitting machine, and in particular flat knitting machine - Google Patents

Knitting machine, and in particular flat knitting machine Download PDF

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Publication number
US3892108A
US3892108A US454904A US45490474A US3892108A US 3892108 A US3892108 A US 3892108A US 454904 A US454904 A US 454904A US 45490474 A US45490474 A US 45490474A US 3892108 A US3892108 A US 3892108A
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US
United States
Prior art keywords
jack
control
passageway
lock
needle
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
US454904A
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English (en)
Inventor
Wilhelm Hadam
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.)
H Stoll GmbH and Co KG
Original Assignee
H Stoll GmbH and Co KG
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
Application filed by H Stoll GmbH and Co KG filed Critical H Stoll GmbH and Co KG
Application granted granted Critical
Publication of US3892108A publication Critical patent/US3892108A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • D04B15/32—Cam systems or assemblies for operating knitting instruments
    • D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
    • D04B15/362—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines with two needle beds in V-formation
    • D04B15/365—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines with two needle beds in V-formation with provision for loop transfer from one needle bed to the other
    • 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
    • D04B15/70—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used in flat-bed knitting machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/04—Latch needles

Definitions

  • the invention 8 proposes that the control butt of each jack constitutes [58] Fieid 66/75 l54A 50 R 123 itself a magnetic armature, is mounted for limited longitudinal displacement relative to the jack, and ⁇ 56] References Cited projects into a control lock passageway in which its movement is governed by magnetic controls.
  • Each UNITED STATES PATENTS jack control butt preferably is provided on a slide 2 4 4/194l shelmil'e 66/1333 UX mounted for longitudinal displacement in the jack, the 3,0915") 7/963 Brow 4 4 66/503 maximum range of this displacement being smaller g z 2 than the maximum corresponding displacement of the 4 2/1973 36 66/75 R control lock passageway.
  • the control lock passageway 3:77l:326 H973 66/30 R includes branches into which the jack control butts 3,818,726 6/1974 Wilhelm et al. 66/75 are magfleflcally (infected- FOREIGN PATENTS OR APPLICATIONS 5 Cl i 3 D wi Fi r 309,465 9/1928 United Kingdom 66/l23 I54 153 151 152 23 Z2 l5 l9 14 I u 12 P H ll-TI -l l l I'll/l, q
  • This invention relates to a flat knitting machine wherein needle controlling butts are pivotable or transversely movable in a tricked needle bed and can thereby be moved into and out of the needle tricks and there are provided jacks which are displaceable into a latching position in which they hold the needle controlling butts in a depressed condition, the jacks, which are adapted to be retracted from the latching position by lock parts, having control butts which are coupled with magnetic armatures.
  • control butt of each jack constitutes a magnetic armature, is mounted for limited free longitudinal displacement in and/or relative to the jack, and projects into a control lock passageway which is limited in terms of travel by magnetic poles of at least one controllable magnet.
  • each jack control butt is provided on a slide which is mounted for longitudinal displacement in the jack, the maximum range of this displacement relative to the jack being smaller than the maximum extent or range of the control lock passageway into which the said control butt projects.
  • control butt of a jack does not have to be moved against the effort of a return spring.
  • the butt is mounted for free displacement and is solely influenced by stationary cam parts.
  • the control passageway is advantageously provided with a plurality of selection zones each of which is bounded by magnetic poles and associated with particular parts of the knitting program for the needles. Deflector elements follow these selection zones in the direction of travel of the control butts and these act on the displacement jack butts and are able to shift the jacks into the latching position, where a corresponding adjusting motion has been applied to the jack butt at the preceding selection zone.
  • selection zones at which needle channels are varied are provided in the control passageway for the following significant phases of a knitting program for the needles: knitting and non-knitting, knitting and tucking, stitch transfer and non-transfer and stitch acceptance and non-acceptance (transfer lock).
  • additional selection zones for the following phases of a knitting program are provided: transfer or non-transfer of needles and acceptance of non-acceptance of needles.
  • FIG. 1 is a cross-section through the needle bed of a flat knitting machine showing a jack in accordance with the invention
  • FIG. 2 is a sectional illustration similar to FIG. 1 but showing the jack in the latching position
  • FIG. 3 is a diagrammatic plan view of a knitting lock and a transfer lock of a flat knitting machine and the associated control trackway for the butts of the jacks.
  • FIGS. 1 and 2 the illustrated section of the needle bed 10 of a flat knitting machine is taken along a plane containing one of the needle tricks or grooves 11 in such bed.
  • a latch needle 12 In each of these slot-form needle tricks or grooves 11 there are accommodated a latch needle 12, a needle shank 13 which is pivotally connected to the latch needle 12 and carries the needle operating butt I4, and a needle control jack 15, all these elements being longitudinally displaceable.
  • the needle shank I3 is in the form of a resiliently flexible strip which has a tail end portion 131 of hairpin shape which rests on the bottom of the needle trick of groove 11, and a leading end 132 which is in the form of a pivoted head and which bears against the needle 12.
  • the needle operating butt 14 is located in the zone of maximum flexibility of the shank 13.
  • the butt l4 moreover, is disposed opposite to a latching butt 16 provided at the underside of the shank l3 and this butt 16 is projectible either into a latching groove 17 or a latching groove 18 formed in the bottom of the needle trick or groove 11 when the shank 13 is depressed thereinto as in FIG. 2.
  • the needle operating butt 14 With the butt I6 projected into one of the grooves 17 or 18, the needle operating butt 14 is uncoupled, i.e., withdrawn, from the parts of the needle lock.
  • Uncoupling of the needle butt 14 is effected by the jack [5 which, at its leading end, is pivotally connected to a slide 19 provided at its free end with a bevel of a bar 21 disposed at the same level, this bar extending above the needle shanks 13, over the complete length of that part of the needle bed 10 which is formed with needle tricks or grooves 11.
  • the slide 19 runs under the bar 21, the needle shank 13 is latched in its bent condition.
  • the latching is performed by the action, hereinafter to be described, of a control butt 22 associated with the jack 15.
  • the restoration of a jack 15 to its idle position seen in FIG. 1 is brought about by action of restoring cams on a restoring butt 151 at the leading end of the said jack.
  • each jack 15 is integral with a slide 23 which is of the same thickness as the said jack and is displaceably mounted in a longitudinal groove 152 fonned in the latter.
  • Each control butt 22 projects through an upper opening which has a leading abutment edge 153 and a rear abutment edge 154. The said butt is thus able to move freely in the longitudinal direction within jack between the two abutment edges 153 and 154.
  • FIG. 3 shows the more important needle operating cams of the knitting lock and the transfer lock of the illustrated flat knitting machine.
  • the important cams of the knitting lock are indicated by the numerals 26, 27, 28 and 29.
  • the lock channel is designated 30.
  • the transfer lock is defined by the cams 31, 32, 33, 34, and 35. Depressions 291 and 331 in the lock parts 29 and 33 may serve to correct the disposition of the needles l2 uncoupled by the needle operating butts 14.
  • the locks have a number of restoring cams 36, 37, 38, 39, 40 and 41 for action on the restoring butts 151 of the jacks 15.
  • the earns 36 and 38 of the knitting lock are pivotable in the bed of the lock against spring action because they are only required to be effective in the direction of travel of the carriage.
  • the depression takes place automatically when the restoring butts 151 of the jacks 15 run on to the bevels 361 and 381.
  • This control passageway 42 has a number of branches by virtue of it being divided by a plurality of deflector elements or switch lock parts 43 into runthrough branches such as 421 and jack advancing branches such as 422.
  • runthrough branches such as 421
  • jack advancing branches such as 422.
  • permanent magnets 44 having in advance thereof in the runthrough direction thin control magnets 45 which are energised in accordance with the intended pattern.
  • the control passageway 42 consists of an extension of one of the runthrough branches 421.
  • the permanent magnets 44 are arranged to attract the control butts 22 of the jacks 15 and hold them at that side of the lock passageway 42 to which they have been brought by the energised control magents 45. If a control butt 22 is conducted into a runthrough branch 421, this butt is positioned between and clear of the abutment edges 153 and 154 of the opening in the jack through which said butt protrudes: as a result, the jack is held in its idle position as seen in FIG. 1 and the shank 13 of the associated needle is not bowed. Consequently, the needle operating butt 14 remains coupled in the cam passageway 30 or 30a of the knitting lock or the transfer lock respectively so that the needle is affected by relevant ones of the earns 26 to 35.
  • the deflection zones of the control lock passageway 42 equipped with the permanent magnets 44 and the control magnets 45 which latter are energisable as determined by the pattern, are disclosed at the pertinent parts of the needle lock channel 30. These pertinent parts are indicated as hatched areas A, B, C, D, E and F in the channel 30 or 30a. Thus, in these areas uncoupling and arrest of the needles 12 can take place selectively in accordance with the programmed energisation of the control magnets 45.
  • a flat knitting machine according to claim 1, wherein there are provided in the control lock passageway selection zones at which the needle channels are varied for knitting and non-knitting, knitting and tucking, stitch transfer and non-transfer and stitch acceptance and non-acceptance.
  • a links-links flat knitting machine according to claim 2, wherein additional selector zones for the following phases of a knitting program are provided: transfer or non-transfer of needles and acceptance or non-acceptance of needles.
  • control lock passageway includes, disposed along its length, at least one branch passageway departing from and rejoining the main control lock passageway such that each jack control butt can move through said branch passageway or the main passageway to selectively effect, or not, displacement of said jack into a latching position, the maximum distance be- 6 permit said magnetic influence to move said jack control butt, independently of said jack, sufficiently to ensure movement of said jack through the selected one of said branch passageway or said main passageway, the displacement of said jack control butt and its jack thereafter being governed substantially by cam surfaces in said control lock passageway.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US454904A 1973-03-28 1974-03-26 Knitting machine, and in particular flat knitting machine Expired - Lifetime US3892108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2315334A DE2315334A1 (de) 1973-03-28 1973-03-28 Strickmaschine, insbesondere flachstrickmaschine

Publications (1)

Publication Number Publication Date
US3892108A true US3892108A (en) 1975-07-01

Family

ID=5876121

Family Applications (1)

Application Number Title Priority Date Filing Date
US454904A Expired - Lifetime US3892108A (en) 1973-03-28 1974-03-26 Knitting machine, and in particular flat knitting machine

Country Status (8)

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US (1) US3892108A (en))
JP (1) JPS5230623B2 (en))
CH (1) CH563484A5 (en))
DE (1) DE2315334A1 (en))
ES (1) ES423317A1 (en))
FR (1) FR2223494B1 (en))
GB (1) GB1452797A (en))
IT (1) IT1006305B (en))

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154066A (en) * 1977-10-06 1979-05-15 Empisal Knitmaster Luxembourg S.A. Needle selection unit for a hand knitter
US4180992A (en) * 1977-06-23 1980-01-01 Universall Maschinenfabrik Dr. Rudolf Schieber GmbH & Co., KG Pattern setting arrangement of knitting machine
US4214460A (en) * 1977-11-08 1980-07-29 Shima Idea Center Co., Ltd. Flat knitting machine
US4287727A (en) * 1979-06-18 1981-09-08 Tatsumi Seiki Co., Ltd. Flat bed knitting machine
US4481793A (en) * 1981-09-08 1984-11-13 Edouard Dubied & Cie. (Societe Anonyme) Knitting machine
US4584850A (en) * 1984-03-03 1986-04-29 H. Stoll Gmbh & Co. Flat-bed knitting machine
US4662192A (en) * 1985-07-04 1987-05-05 Universal Maschinenfabrik Dr. Robert Schieber GmbH & Co. KG Flat knitting machine
US4686839A (en) * 1985-11-21 1987-08-18 H. Stoll Gmbh & Co. Flat knitting machine with needle selection device
US4827740A (en) * 1987-03-06 1989-05-09 Sipra Device for controlling the knitting positions of the needles in a knitting machine
US4838048A (en) * 1987-01-22 1989-06-13 Terrot Strickmaschinen Gmbh Knitting machine
US5255537A (en) * 1988-10-28 1993-10-26 Reinhold Schimko Flat-bed knitting machine
US5836178A (en) * 1996-08-01 1998-11-17 Matec S.R.L. Modified needle with associated actuation elements for knitting the heel in circular stocking machines
EP4130367A4 (en) * 2020-04-21 2024-02-14 Jialin Feng Needle plate and knitting needle combination for flat knitting machine, and knitting needle selection mechanism

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH618484A5 (en)) * 1978-02-03 1980-07-31 Dubied & Cie Sa E
DD204719A1 (de) * 1982-04-13 1983-12-07 Textima Veb K Flachstrickmaschine
DE102010056425B3 (de) * 2010-12-28 2012-04-05 H. Stoll Gmbh & Co. Kg Strickmaschine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240421A (en) * 1940-03-27 1941-04-29 Scott & Williams Inc Circular knitting machine
US3097510A (en) * 1959-12-14 1963-07-16 M brown
US3678710A (en) * 1969-02-25 1972-07-25 Bentley Mach Dev Co Needle operating means in knitting machines
US3715897A (en) * 1970-03-09 1973-02-13 Stoll & Co H Flat bed knitting machine
US3717014A (en) * 1971-09-13 1973-02-20 Dubied & Cie Sa E Jacquard rectilinear knitting machines
US3771326A (en) * 1970-03-24 1973-11-13 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3818726A (en) * 1973-02-27 1974-06-25 Stoll & Co H Needle selecting mechanism for flat knitting machines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240421A (en) * 1940-03-27 1941-04-29 Scott & Williams Inc Circular knitting machine
US3097510A (en) * 1959-12-14 1963-07-16 M brown
US3678710A (en) * 1969-02-25 1972-07-25 Bentley Mach Dev Co Needle operating means in knitting machines
US3715897A (en) * 1970-03-09 1973-02-13 Stoll & Co H Flat bed knitting machine
US3771326A (en) * 1970-03-24 1973-11-13 Wildt Mellor Bromley Ltd Patterning mechanism for circular knitting machines
US3717014A (en) * 1971-09-13 1973-02-20 Dubied & Cie Sa E Jacquard rectilinear knitting machines
US3818726A (en) * 1973-02-27 1974-06-25 Stoll & Co H Needle selecting mechanism for flat knitting machines

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180992A (en) * 1977-06-23 1980-01-01 Universall Maschinenfabrik Dr. Rudolf Schieber GmbH & Co., KG Pattern setting arrangement of knitting machine
US4154066A (en) * 1977-10-06 1979-05-15 Empisal Knitmaster Luxembourg S.A. Needle selection unit for a hand knitter
US4214460A (en) * 1977-11-08 1980-07-29 Shima Idea Center Co., Ltd. Flat knitting machine
US4287727A (en) * 1979-06-18 1981-09-08 Tatsumi Seiki Co., Ltd. Flat bed knitting machine
US4481793A (en) * 1981-09-08 1984-11-13 Edouard Dubied & Cie. (Societe Anonyme) Knitting machine
US4584850A (en) * 1984-03-03 1986-04-29 H. Stoll Gmbh & Co. Flat-bed knitting machine
US4662192A (en) * 1985-07-04 1987-05-05 Universal Maschinenfabrik Dr. Robert Schieber GmbH & Co. KG Flat knitting machine
US4686839A (en) * 1985-11-21 1987-08-18 H. Stoll Gmbh & Co. Flat knitting machine with needle selection device
US4838048A (en) * 1987-01-22 1989-06-13 Terrot Strickmaschinen Gmbh Knitting machine
US4827740A (en) * 1987-03-06 1989-05-09 Sipra Device for controlling the knitting positions of the needles in a knitting machine
US5255537A (en) * 1988-10-28 1993-10-26 Reinhold Schimko Flat-bed knitting machine
US5836178A (en) * 1996-08-01 1998-11-17 Matec S.R.L. Modified needle with associated actuation elements for knitting the heel in circular stocking machines
EP4130367A4 (en) * 2020-04-21 2024-02-14 Jialin Feng Needle plate and knitting needle combination for flat knitting machine, and knitting needle selection mechanism

Also Published As

Publication number Publication date
JPS5230623B2 (en)) 1977-08-09
CH563484A5 (en)) 1975-06-30
FR2223494B1 (en)) 1977-09-30
GB1452797A (en) 1976-10-13
ES423317A1 (es) 1976-04-16
FR2223494A1 (en)) 1974-10-25
IT1006305B (it) 1976-09-30
DE2315334A1 (de) 1974-10-10
JPS49125657A (en)) 1974-12-02

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