US3715897A - Flat bed knitting machine - Google Patents

Flat bed knitting machine Download PDF

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Publication number
US3715897A
US3715897A US00120836A US3715897DA US3715897A US 3715897 A US3715897 A US 3715897A US 00120836 A US00120836 A US 00120836A US 3715897D A US3715897D A US 3715897DA US 3715897 A US3715897 A US 3715897A
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United States
Prior art keywords
patterning
lock
selector
jack
needle
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Expired - Lifetime
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US00120836A
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English (en)
Inventor
W Hadam
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H Stoll GmbH and Co KG
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H Stoll GmbH and Co KG
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Application filed by H Stoll GmbH and Co KG filed Critical H Stoll GmbH and Co KG
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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
    • 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
    • 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

Definitions

  • ABSTRACT [30] Foreign Application Priority Data A flat bed knitting machine of the type in which needles are movable in tricks under the action of selector March 9, 1970 Germany ..P 2O 10 973.3 jacks, wherein the Selector jacks have butts which operatively engage knitting, transfer and re-setting if 5" 8: Egg locks and wherein movement of the selector jacks is d l controlled by a patterning lock.
  • the patterning butt of l 1 1e catch- 7 154 A the selector jack is adjustable relative to the body of the selector jack.
  • This adjustable patterning butt is in [56] References cued the form of a bridge element pivotably connected to UNITED STATES PATENTS the selector jack and movable between two end positrons by a spring and an electrically operated device. 1,718,295 6/1929 Kuhne ..66/75 Elements fixed to the patterning lock advance and 3,534,566 10/1970 Farmer et 211....
  • the invention relates to a flat bed knitting machine of the type having needle actuating jacks for controlling the needle movements, these needle actuating jacks being mounted in the needle tricks of the needle beds and controlled by selector jacks according to the desired pattern.
  • the object of the invention is to provide pattern locks and needle beds of a flat bed knitting machine such that the needles, during the stroke of the carriage of the machine, can be selected for every operating position and change in width of the knitting, utilizing electrical selector mechanisms, whereby all control possibilities existing in the case of a latch needle can be fully utilized.
  • the present invention relates to an arrangement for selecting needles which permits a simplification of the patterning lock and an even easier controllability of the needles.
  • the flatbed knitting machine is characterized by the fact that every selector jack has patterning butts adjustable in relation to the body of the selector jack, either in or out of engagement with a fixed patterning lock part, whereby the patterning butts of selector jacks succeeding each other in the needle bed can be staggered, and whereby each patterning lock of the machine for each stage of the adjustable patterning butts and in front of each definite position of the needles, determined by the knitting locks or knitting and transfer locks for links/links machines, and resetting locks, has selector elements acting upon the adjustable patterning butts and controllable or operable electrically in the case of advance and delivery, in such a way that the pertinent needles can be made to engage with or disengage from the operating luck at definite positions upon passage through the lock.
  • pressure parts, advancing elements and fixed return elements have been disposed firmly to act on the adjustable selector jack butts each time in front of the patterning lock elements in the direction of the advance of the carriage
  • the selector jack patterning butts are movable to be controlled, while the advancing elements are attached firmly in the patterning lock.
  • needles constituting tucking hooks can be withdrawn from the control of the following drawing off lock elements in the knitting lock.
  • the patterning lock comprises all lock elements controlling the selector jacks; and all lock elements which control the needles, or in the present case the needle actuating jacks firmly coupled with the needles, are designated by the term operating lock".
  • the operating lock is divided into knitting locks (or knitting and transfer locks for links/links machines) and into resetting locks.
  • the adjustable patterning butt of the selector jacks may be constructed as a bridge element being under the unilateral influence of a spring tension and swivelably mounted in the body of the selector jack, which bridge element preferably is of the same strength as the body of the selector jacks.
  • This bridge element is constructed, for practical purposes, as a two-armed bridge, or lever, which is mounted with a central part shaped in the manner of the head of a joint and located in a recess in the body of the selector jacks in the manner of a seat of a joint.
  • One arm of the bridge constitutes the adjustable patterning but and the other arm constitutes a magnet.
  • a prestressing leaf spring can be clamped unilaterally in the recess of the selector jack, in the shape of a seat of a joint, such that it presses against the arm of the bridge element carrying the patterning butt, acting to urge the patterning butt into its patterning lock engaging position.
  • the legs of the spring fit against the central part of the bridge element and are shaped as a head of the joint under the elastic centering force of the bridge element.
  • the arm of the bridge element constituting the magnet armature can be developed resiliently.
  • electromagnets energized according to the pattern, especially electro-magnets coupled with permanent magnets, socalled holding magnets, which are offered the resilient arm constituting the magnet armature.
  • each needle of the needle bed can be controlled according to the pattern with the assistance of electrically operated or controlled adjusting elements from the machine carriage and, to be sure, in every operating position, including their rest position, and both in the case of its driving out movement as well asin the case of its drawing off movement it can be disengaged from the needle controlling parts of the operating lock.
  • FIG. 1 shows a cross section through a needle bed andthe lock parts of a carriage located above the said elements taken along the line I-I in FIG. 2.
  • FIG. 2 shows a partial top view of the needle bed and a partial presentation of the parts of the knitting lock in a plane along line II-II in FIG. 1.
  • FIGS. 3 and 4 show on an enlarged scale, a portion of a FIG. 1, showing the bridge element bearing the patterning butt of the selector jack, in two different positions, respectively. 7
  • FIG. is a schematic top view of a knitting lock and a re-setting lock, as well as the assigned patterning lock of the carriage of a flat bed knitting machine, into which the bridge elements of the selector jacks as well as the areas of action of the electro-magnetic selector elements have been inserted.
  • a needle actuating jack 13 has been mounted beside a latch needle 12 in every needle trick 11 of a needle bed 10.
  • Jack 13 has been developed as an elastically pliable beam, which is supported by the bottom of the needle trick 11 with one end section 14 bent in the shape of a hairpin, and which is coupled positively but not integrally with needle 12 by its other end 15 constructed as the head of a joint.
  • the jack 13 is provided with an operating butt 16 in the area of its greatest pliability, which butt normally engages with the channels of the operating lock. Le.
  • a knitting lock (plus a transfer lock in the case of a links/links knitting machine) and a resetting lock, which are laterally limited by way of parts of the operating lock disposed on a lock plate 17 of the carriage.
  • part 36 of the knitting lock In the sectional view of FIG. 1 is shown part 36 of the knitting lock.
  • the elastically pliable jack 13 is controlled by a slide 18 acting as a pressure element, which rests on the pliable center part of the jack 13 and is firmly coupled with a selector jack 20.
  • Slide 18 at its front end is provided with a slanting surface 19, which can run up on a counter oblique surface located at the same level of a strip 21, which extends over the entire length of the needle bed 10 above the jacks 13.
  • selector jack 20 has a patterning butt 26 which cooperates according to choice with fixed advancing parts, for example, advancing element 57 of the patterning lock of the machine carriage.
  • This patterning butt 26 is provided at one end of an arm of a two-armed bridge element 28, the other arm of which ends in a magnet armature plate 29.
  • This bridge element 28 is shown in detail in FIGS. 3 and 4.
  • Bridge element 28 which has the same strength as selector jack 20, is provided at its center part with a projection 30 in the shape of the head of a joint, which can be laterally inserted into a recess 31 in the selector jack 20, which has the shape of a seat of a joint.
  • a leaf spring 32 has also been achored in this recess 31, for which purpose one end section thereof has been bent U-shaped and has been inserted into recess 31 such that the two legs 33 and 34 of the leaf spring are placed between projection 30, which is in the manner of a head of a joint, and the edges of recess 31 of the selector jack 20, which is in the shape of the seat of a joint.
  • This arrangement provides a resilient centering of the bridge element 28.
  • leaf spring 32 fits against the bottom side of the arm of bridge element 28 carrying the patterning butt 26 and, whereby the bridge element 28 is urged into a rest position, as shown in FIG. 4, in which patterning butt 26 protrudes from the needle trick into the area of the parts of the patterning lock and the arm of bridge element 28 bearing armature plate 29 strikes against the selector jack 20.
  • Armature plate 29 of bridge element 28 is bent from the plane of the bridge 28 and the selector jack 20, and this plate 29 will be designed for practical purposes in such a way, in regard to its dimension, that it will be elastic.
  • the armature plates 29 of the bridge elements of selector jack 20 cooperate with selector magnets and holding magnets 35, which can be energized according to desired pattem and which have been attached exchangeably in the machine carriage at several select places.
  • selector magnets and holding magnets 35 are provided at each selecting place in the machine carriage, each one for one of the three areas of selection A, B and C, which are shown in dash-dot lines in FIGS. 2 and 5.
  • the selecting magnets 35 are permanent magnets and have an energizing winding which, during the flow therethrough of current either produces a counter field canceling out the permanent magnetic field, or increasing the effect of the permanent holding magnets so that a counter field canceling out the permanent magnetic field will be produced only through energization of the winding according to pattern in the reverse sense.
  • the patterning butts 26 of the bridge elements 28 are acted upon by fixed pressure parts 51-56 of the patterning lock (FIGS. 2 and 5) of the machine carriage and thus bridge element 28 is shifted from its rest position shown in FIG. 4 into the position of FIG. 3 counter to the force. of leaf spring 32, whereby armature plates 29 are swung upwards and are offered to holding magnets 35.
  • FIG. 5 shows schematically a partial top view of the operating lock of the carriage with a knitting lock formed essentially by lock parts 36 to 38- inclusive of lock element 38 of the stitch cam and a resetting lock formed essentially by lock elements 43 to 49, inclusive of a part 43 of the drawing offlock.
  • patterning butts 26 then will remain in the position of FIG. 3, in which they are removed from the area of action of the advancing elements 57, 58, 59, 60, 61, 62 or 63 of the patterning lock, which elements follow pressure parts 51 to 56. If, however, the energizer windings of the selector magnets 35 are energized oppositely in sections D of face strip D, armature plates 29 held at these moments by the selector magnets 35 are repelled, so that the assigned patterning butt 26 is again swung by the force of leaf spring 32 into the position shown in FIG.
  • all advanced selector jacks are again returned into the starting position through a fixed return element of the patterning lock and all armature plates 29 are again offered by pressure parts 53 to the next following group of selector magnets for reselection concerning a take over of loops or a passing on of loops in the succeeding resetting lock.
  • the operation of the advancing ele ments 61 to 63 is the same here as the operation of advancing elements 57 to 60.
  • the return of the selector jacks is then accomplished each time by means of fixed return elements 66 to 68.
  • a selector jack mounted in each needle trick and operatively connected to the needle therein to move it within the trick, the selector jacks having operating butts, adapted to engagean operating lock of the machine carriage to determine needle movement, and a patterning lock for controlling movements of the selector jacks in accordance with a pattern, in turn determining the movement of the needles
  • the improvement comprising: a patterning butt mounted on each selector jack and adjustable in relation to the body of the selector jack into or out of engagement with elements fixed on the patterning lock for moving the patterning butts, each said adjustable patterning butt being in the form of a bridge element pivotably connected to its respective selector jack, and including-electrically operable means for acting on the adjustable patterning butts-as the patterning lock passes thereover.
  • said bridge having two arms extending along the selector jack from said pivot connection, a first arm having a magnetic armature plate such that when the said first arm is raised it engages the armature plate and the second arm positioned such that when it is raised it is positioned to be engaged by the advancing element of the patterning lock, rocking of the bridge element about the said pivot connection causing one or the other of the said arms to be raised.
  • the invention of claim 8 including spring means urging the bridge element to normally raise the said second arm, and the magnet beingloperable to hold the first arm in a raised position to t us lower the second arm out of engagement with the advancing element of the patterning lock.
  • connection of the bridge to the selector jack comprises a central element on the bridge element engaged in a recess in the top of the selector jack.
  • the spring means is a leaf spring clamped down unilaterally in the body of the said recess of the selector jack, said leaf spring pressing against the arm of the bridge element bearing the patterning butt to urge the patterning butt into its engaging position with the advancing element of the patterning lock, and wherein the legs of the spring fit against the central element of the bridge under elastic centering by the said head of the bridge element.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US00120836A 1970-03-09 1971-03-04 Flat bed knitting machine Expired - Lifetime US3715897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2010973A DE2010973C3 (de) 1970-03-09 1970-03-09 Strickmaschine, insbesondere Flachstrickmaschine

Publications (1)

Publication Number Publication Date
US3715897A true US3715897A (en) 1973-02-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00120836A Expired - Lifetime US3715897A (en) 1970-03-09 1971-03-04 Flat bed knitting machine

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US (1) US3715897A (es)
JP (1) JPS5214343B1 (es)
CH (1) CH522767A (es)
DE (1) DE2010973C3 (es)
FR (1) FR2084231A5 (es)
GB (1) GB1301425A (es)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818726A (en) * 1973-02-27 1974-06-25 Stoll & Co H Needle selecting mechanism for flat knitting machines
US3892108A (en) * 1973-03-28 1975-07-01 Stoll & Co H Knitting machine, and in particular flat knitting machine
US3910070A (en) * 1972-06-08 1975-10-07 Elitex Zavody Textilniho Apparatus for controlling the needle selectors in a circular knitting machine
US3913354A (en) * 1972-12-14 1975-10-21 Dubied & Cie Sa E Design knitting machine with stitch transfer
US3948063A (en) * 1974-10-21 1976-04-06 Scott And Williams, Inc. Pattern mechanism
US3955381A (en) * 1973-07-13 1976-05-11 Edouard Dubied Et Cie (Societe Anonyme) Straight-line knitting machine, for preselection of the needles, with stitch forwarding
US3972206A (en) * 1970-06-25 1976-08-03 VVU Zavodu vseobecneho strojirenstvi Pattern selector
US4041732A (en) * 1975-04-08 1977-08-16 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Straight and circular knitting machine
US4100767A (en) * 1976-10-14 1978-07-18 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Knitting machine pattern mechanism
US4141228A (en) * 1976-12-15 1979-02-27 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Pattern mechanism for a flat bed knitting machine
DE2939639A1 (de) * 1978-10-03 1980-04-24 Bentley Alemannia Ltd Flachstrickmaschine
US4214460A (en) * 1977-11-08 1980-07-29 Shima Idea Center Co., Ltd. Flat 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
US4819455A (en) * 1987-05-07 1989-04-11 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Flat knitting machine
US4827740A (en) * 1987-03-06 1989-05-09 Sipra Device for controlling the knitting positions of the needles in a knitting machine
US5403036A (en) * 1991-09-05 1995-04-04 Trw Inc. Igniter for an air bag inflator
US5559495A (en) * 1995-01-17 1996-09-24 Cochran; Danny M. Sleep-preventing alarm operable in conjunction with a motor vehicle
US20140076001A1 (en) * 2012-09-19 2014-03-20 Showa Glove Co. Knitting machine and method for manufacturing glove
US20200224760A1 (en) * 2019-01-10 2020-07-16 GM Global Technology Operations LLC Vehicle including a knit element connecting a first vehicle member to a second vehicle member

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496243A (es) * 1972-05-10 1974-01-19
FR2212830A5 (es) * 1972-07-28 1974-07-26 Superba Sa
CH618484A5 (es) * 1978-02-03 1980-07-31 Dubied & Cie Sa E
DE3614220C1 (de) * 1986-04-26 1987-10-01 Stoll & Co H Steuermagnetanordnung fuer eine Mustervorrichtung an Strickmaschinen zur elektrisch gesteuerten Nadelauswahl
DE4225655A1 (de) * 1992-08-03 1994-02-10 Schieber Universal Maschf Textilmaschine
CZ281720B6 (cs) * 1992-11-16 1996-12-11 Milan Fučík Volící zařízení jehel
DE19508755C1 (de) * 1995-03-10 1996-06-27 Schieber Universal Maschf Flachstrickmaschine
DE19743814B4 (de) * 1997-10-05 2009-01-08 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Strickmaschine
DE10111930C2 (de) * 2001-03-13 2003-02-27 Groz Beckert Kg Systemteil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD24031A (es) *
BE646782A (es) * 1963-04-20
US3365916A (en) * 1965-03-02 1968-01-30 Morat Kg Franz Selector magnetic arrangement for knitting machines
DE1585224A1 (de) * 1965-10-29 1970-05-21 Morat Kg Franz Vorrichtung,die insbesondere zum Steuern von Platinen,Strick-Wirknadeln u.dgl. bei Textilmaschinen dient
CH466487A (de) * 1966-11-15 1968-12-15 Flad Karl Strickmaschine mit einer Vorrichtung zum Auswählen der Nadeln
GB1160100A (en) * 1967-07-28 1969-07-30 Wildt Mellor Bromley Ltd Improved Patterning Mechanism for Circular Knitting Machines

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972206A (en) * 1970-06-25 1976-08-03 VVU Zavodu vseobecneho strojirenstvi Pattern selector
US3910070A (en) * 1972-06-08 1975-10-07 Elitex Zavody Textilniho Apparatus for controlling the needle selectors in a circular knitting machine
US3913354A (en) * 1972-12-14 1975-10-21 Dubied & Cie Sa E Design knitting machine with stitch transfer
US3818726A (en) * 1973-02-27 1974-06-25 Stoll & Co H Needle selecting mechanism for flat knitting machines
US3892108A (en) * 1973-03-28 1975-07-01 Stoll & Co H Knitting machine, and in particular flat knitting machine
US3955381A (en) * 1973-07-13 1976-05-11 Edouard Dubied Et Cie (Societe Anonyme) Straight-line knitting machine, for preselection of the needles, with stitch forwarding
US3948063A (en) * 1974-10-21 1976-04-06 Scott And Williams, Inc. Pattern mechanism
US4041732A (en) * 1975-04-08 1977-08-16 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Straight and circular knitting machine
US4100767A (en) * 1976-10-14 1978-07-18 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Knitting machine pattern mechanism
US4141228A (en) * 1976-12-15 1979-02-27 Universal Maschinenfabrik Dr. Rudolf Schieber Kg Pattern mechanism for a flat bed knitting machine
US4214460A (en) * 1977-11-08 1980-07-29 Shima Idea Center Co., Ltd. Flat knitting machine
DE2939639A1 (de) * 1978-10-03 1980-04-24 Bentley Alemannia Ltd Flachstrickmaschine
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
US4827740A (en) * 1987-03-06 1989-05-09 Sipra Device for controlling the knitting positions of the needles in a knitting machine
US4819455A (en) * 1987-05-07 1989-04-11 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Flat knitting machine
US5403036A (en) * 1991-09-05 1995-04-04 Trw Inc. Igniter for an air bag inflator
US5559495A (en) * 1995-01-17 1996-09-24 Cochran; Danny M. Sleep-preventing alarm operable in conjunction with a motor vehicle
US20140076001A1 (en) * 2012-09-19 2014-03-20 Showa Glove Co. Knitting machine and method for manufacturing glove
US9663880B2 (en) * 2012-09-19 2017-05-30 Showa Glove Co. Method for manufacturing knitted glove
US20200224760A1 (en) * 2019-01-10 2020-07-16 GM Global Technology Operations LLC Vehicle including a knit element connecting a first vehicle member to a second vehicle member

Also Published As

Publication number Publication date
DE2010973A1 (de) 1972-01-27
JPS5214343B1 (es) 1977-04-21
DE2010973B2 (de) 1974-01-24
GB1301425A (es) 1972-12-29
DE2010973C3 (de) 1982-05-27
CH522767A (de) 1972-06-30
FR2084231A5 (es) 1971-12-17

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