EP1486601B1 - Torchon lace machine - Google Patents

Torchon lace machine Download PDF

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Publication number
EP1486601B1
EP1486601B1 EP04011294A EP04011294A EP1486601B1 EP 1486601 B1 EP1486601 B1 EP 1486601B1 EP 04011294 A EP04011294 A EP 04011294A EP 04011294 A EP04011294 A EP 04011294A EP 1486601 B1 EP1486601 B1 EP 1486601B1
Authority
EP
European Patent Office
Prior art keywords
drive shaft
cam
shaft
vertical shaft
slide
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
EP04011294A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1486601A1 (en
Inventor
Michihiro Ichikawa
Takeo c/o Ichikawa Tekko Co. Ltd. Ichikawa
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.)
Ichikawa Iron Works Co Ltd
Original Assignee
Ichikawa Iron Works Co Ltd
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 Ichikawa Iron Works Co Ltd filed Critical Ichikawa Iron Works Co Ltd
Publication of EP1486601A1 publication Critical patent/EP1486601A1/en
Application granted granted Critical
Publication of EP1486601B1 publication Critical patent/EP1486601B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00—Braiding or lacing machines
    • D04C3/02—Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively
    • D04C3/24—Devices for controlling spool carriers to obtain patterns, e.g. devices on guides or track plates
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00—Braiding or lacing machines
    • D04C3/02—Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively
    • D04C3/38—Driving-gear; Starting or stopping mechanisms

Definitions

  • the present invention relates to a torchon lace machine in which a rotor metal for moving a spindle runner (bobbin) is mechanically rotatable alternately in forward and reverse directions as desired.
  • a conventional torchon lace machine like the one of GB 178,390 A has rotor metals arranged on a same circle to face at their bay portions each other, and a spindle runner is interposed between the facing bay portions. Adjacent rotor metals are gear linked mutually, resulting in that odd numbered rotor metals and even numbered rotor metal are rotated in the opposite directions. Therefore, if one rotor metal is rotated 180 degrees through the space between the bay portions of its adjacent two rotor metals, spindle runners on both sides of the rotating rotor metal will be moved by one step, switching their positions.
  • a spindle runner at the position a is moved by one step to the position a' passing through the path indicated by the broken line (outbound) by rotating a first rotor metal A clockwise (in the direction of the arrow) 180 degrees.
  • the spindle runner S' originally at the position a' is moved to the position a in exchange with the spindle runner S.
  • a second rotor metal B is rotated anticlockwise 180 degrees, and the spindle runner S is thereby moved by one step from the position a' to the position b passing through the path indicated by the alternate long and short dash line (inbound).
  • a third rotor metal C is subsequently rotated clockwise through 180 degrees, the spindle runner S is further moved by one step from the position b to the position c passing through the path indicated by the broken line (outbound).
  • an object of the present invention is to provide a torchon lace machine of a simple structure capable of moving a desired spindle runner rapidly by a short stroke to a target position several steps ahead without tangles of yarns even with every spindle runner carrying a bobbin thereon, as well as capable of forming an embossed pattern on a knitted ground or creating braid over braid as desired.
  • a torchon lace machine is structured according to claim 1 to rotate each of the rotor metals forwardly and reversely as desired.
  • the torchon lace machine includes: a vertical shaft supported by a fixed shaft so as to be rotatable integrally with a rotor metal; a drive shaft supported so as to be slidable in an orthogonal direction relative to the vertical shaft and capable of driving the vertical shaft to rotate forwardly or reversely from a neutral position according a sliding position of the drive shaft; slide biasing means for sliding the drive shaft; and stopper means for forcibly stopping the rotor metal when the slide biasing means holds the drive shaft in a neutral position relative to the vertical shaft.
  • the torchon lace machine of the present invention With the torchon lace machine of the present invention, adjacent rotor metals can be rotated successively in the same direction such as clockwise or anticlockwise, therefore a certain spindle runner can be moved through either an outbound or inbound line.
  • the present invention provides beneficial effects that even with every spindle runner carrying a bobbin thereon, it is possible to move a desired spindle runner to a target position several steps ahead rapidly by a short stroke without tangles of yarns, as well as to create complicated lace patterns such as embossed patterns or braid over braid with easiness.
  • the vertical shaft may be integrated with a bevel gear
  • the drive shaft may be integrated with two intermittent bevel gears having no tooth in a 180 degree range, facing to each other to sandwich the bevel gear of the vertical shaft.
  • the slide biasing means of the torchon lace machine may include: a solid cam fixed to one end of the drive shaft; a fixed cam follower acting on a narrowed portion of a grooved cam to slide the drive shaft to its neutral point, the grooved cam provided at the center of a width of the solid cam in a rotation direction; two projecting cam followers acting on right and left edges of the solid cam to slide the drive shaft to either forward or reverse driving position; and solenoids for causing the two projecting cam followers to project into their operation range against the force of return springs when energized.
  • the torchon lace machine according to the present invention may be structured to control the sliding position of the drive shaft with accuracy by selecting the mechanical control by the cams or the electrical control by the solenoids.
  • the present invention provides a beneficial effect that it is possible to control the sliding position of the drive shaft accurately by selecting the mechanical control by the cams or the electrical control by the solenoids.
  • the torchon lace machine may be structured to rotate or stop rotating the rotor metals every 180 degrees always with a correct timing by provision of the stopper means including: a fork member biased downwards by a spring and engaged with a pawl of the rotor metal while not in operation; and an eccentric cam fixed to the drive shaft and pushing up the fork member against the spring at a timing when the drive shaft is slid to a position where the vertical shaft is driven to rotate forwardly or reversely.
  • the stopper means including: a fork member biased downwards by a spring and engaged with a pawl of the rotor metal while not in operation; and an eccentric cam fixed to the drive shaft and pushing up the fork member against the spring at a timing when the drive shaft is slid to a position where the vertical shaft is driven to rotate forwardly or reversely.
  • the present invention provides a beneficial effect that the rotor metals can be rotated and stopped rotating every 180 degrees always with a correct timing.
  • Fig. 1 is a partial plan view showing the arrangement of rotor metals and spindle runners according to an embodiment of the present invention.
  • Fig. 2 is a side cross sectional view of a drive mechanism for a rotor metal according to an embodiment of the present invention.
  • Fig. 3 is a perspective view showing the configuration of slide biasing means according to an embodiment of the present invention.
  • Fig. 4 is a perspective view showing the configuration of stopper means according to an embodiment of the present invention.
  • Figs. 5(a) and 5(b) are side cross sectional views showing the operational state of a drive mechanism for a rotor metal according to an embodiment of the present invention, Fig.
  • Fig. 5(a) showing that a drive shaft is held in a neutral position with respect to a vertical shaft
  • Fig. 5(b) showing that the drive shaft is held in a drive position with respect to the vertical shaft
  • Fig. 6 is a partial sectional view showing another configuration of slide biasing means according to an embodiment of the present invention.
  • a rotor metal 1 includes a top flange having flat circular arc bay portions 2 and peninsula portions 3 disposed back to back.
  • a number of rotor metals (64 or 96, for example) are arranged such that the bay portions 2 face to each other in a continuous circular arc groove defined between an inner annular guide plate 4 and an outer annular guide plate 4'.
  • a boat-shaped spindle runner 5 having a bobbin mounting member 5' is disposed between the bay portions 2 of each pair of adjacent rotor metals 1
  • the rotor metal 1 rotates 180 degrees in the space between the bay portions 2 of adjacent rotor metals 1 so as to move the spindle runners 5 residing in the spaces between the bay portions 2, switching their positions with each other.
  • a lace forming portion (not shown) forms a lace stitch by entwining yarns 7 from the respective bobbins 6.
  • the shaft 1' of the rotor metal 1 is hollow as shown in Fig. 2, and is provided with pawls 8, at the lower part thereof, protruding in the same direction as the peninsula portions 3 of the top flange.
  • a fork member 30 is lowered by the action of a spring 29, and these pawls 8 are fitted in (engaged with) a recess in the lower face of the fork member 30, thereby ensuring that the rotor metal 1 stops rotating at a rotation angle of 180 degrees.
  • the rotor metal 1 is integrally connected to the upper end of a vertical shaft 11 that is fitted in a fixed shaft 10 erected on a base 9 and is rotatable in a horizontal direction.
  • the integral connection herein may refer to the rotor metal 1 and the vertical shaft 11 formed as a single entity, or the rotor metal 1 and the vertical shaft 11 separately formed but connected by means of a connecting member.
  • a drive shaft 12 for driving the vertical shaft 1 is rotatably inserted into a space between inner and outer walls 9' and 9" of the base 9 in the horizontal direction.
  • the drive shaft 12 is inserted through a through hole 13 formed at the proximal end of the fixed shaft 10 supporting the vertical shaft 11.
  • the drive shaft 12 has a drive gear 14 fixed at its end outside the inner wall 9' of the base 9 and receiving linked rotation from a drive source (not shown).
  • the drive gear 14 may be engaged or may not be engaged with an adjacent drive gear.
  • the drive shaft 12 is connected to the inner wall 9' of the base 9 by means of a sliding connection part 15, so that it is able to slide to the inner wall 9' side from the outer wall 9" side thereof.
  • the sliding connection part 1 5 can have any construction so far as it is capable of transferring rotation of the drive shaft 12 transmitted from the drive gear 14 from the inner wall 9' side to the outer wall 9" side, and the drive shaft 12 is slidable freely in the axial direction on the outer wall 9" side.
  • the term "drive shaft” refers to the sliding-side drive shaft (on the outer wall 9" side).
  • a bevel gear 16 is provided integrally to the lower end of the vertical shaft 11.
  • Two intermittent bevel gears 17, 17' having no tooth in a 180 degree range (having teeth in the other 180 degree range) are provided integrally to the drive shaft 12 so as to face to each other, sandwiching the bevel gear 16 on the vertical shaft 11.
  • these intermittent bevel gears 17, 17' are separated from the bevel gear 16 on the vertical shaft 1 1 (neutral state) or alternatively engaged with the bevel gear 16 on the vertical shaft 11 (driving state).
  • the vertical shaft 11 and the rotor metal 1 can be driven alternatively forwardly or reversely in accordance with a sliding position of the drive shaft 12.
  • Slide biasing means 18 adjusts the sliding position of the drive shaft 12.
  • the slide biasing means 18 includes, as shown in Fig. 3; a solid cam 19, a fixed cam follower 21, two projecting cam followers 22, 22', and solenoids 24, 24'.
  • the solid cam 19 is fixed to the outer end of the drive shaft 12.
  • the fixed cam follower 21 acts on a narrowed portion 20' of a grooved cam 20 formed at the center of the width of the solid cam 19 in the rotational direction, so as to hold the drive shaft 12 in the neutral position (where both of the intermittent bevel gears 17, 17' are separated from the bevel gear 16).
  • the two projecting cam followers 22, 22' act respectively on the left and right edges L and R in the width direction of the solid cam 19 so as to hold the drive shaft 12 in the forward or reverse driving position (where one of the intermittent bevel gears 17, 17' is engaged with the bevel gear 16).
  • the solenoids 24, 24' cause the projecting cam followers 22, 22' to project against return springs 23, 23, respectively, when energized.
  • the fixed cam follower 21 is disposed on the top face of a projecting table 25 projecting outwards from the lower part of the outer wall 9" of the base 9 and acts on the narrowed portion 20' of the grooved cam 20 of the solid cam 19 so that, as shown in Fig. 2, the solid cam 19 and the drive shaft 12 are able to slide to the neutral position.
  • the two solenoids 24, 24' are arranged side by side on a platform 27 such that plungers P face downwards.
  • the platform 27 is fixed to the upper part of the outer wall 9" of the base 9 at its proximal end by means of fixing means 26.
  • the projecting cam followers 22, 22' are supported rotatably at the ends of the respective plungers P. It should be noted that the two solenoids 24, 24' are energized selectively, and the plungers P are projected when energized, and returned to the original positions by the spring force of the return spring 23 when not energized.
  • the rotor metal 1 is forcibly stopped rotating by the action of stopper means 28 at the time when the rotor metal 1 has rotated exactly 180 degrees and when the drive shaft 12 has slid to the neutral position and is held therein as described above.
  • the stopper means 28 includes, as shown in Fig. 4, a fork member 30 having a recess in its lower face that is fitted over (engaged with) the pawls 8 of the rotor metal 1 when lowered by the spring force of the spring 29, and an eccentric cam 31 for elevating the fork member 30 against the force of the spring 29.
  • a roller 33 is slidably in contact with the top face of the eccentric cam 31, and it is rotatably supported at the lower end of a shaft 32 which passes perpendicularly and slidably through the outer annular guide plate 4' and holds (secures) the base 30' of the fork member 30. Therefore, the shaft 32 is pushed up against the spring 29 by the action of the enlarged diameter portion of the eccentric cam 31, thereby separating (disengaging) the lower face recess of the fork member 30 from the pawls 8 of rotor metals 1.
  • the eccentric cam 31 pushes up the roller 33 of the shaft 32 at a timing when the drive shaft 12 is in the position where the vertical shaft 11 is driven to rotate forwardly or reversely.
  • the roller 33 of the shaft 32 is pushed up by the eccentric cam 31
  • one of the intermittent bevel gears 17, 17' fixed to the drive shaft 12 is inevitably meshed with the bevel gear 16 on the vertical shaft 11.
  • the enlarged diameter portion of the eccentric cam 31 is provided with convex ribs 34 in parallel with each other in the circumferential direction, to prevent the roller 33 from sliding transversely to accidentally disengage the bevel gears.
  • Fig. 5(b) shows that the roller 33 abuts against convex rib 34 from its inner side to maintain the intermeshed state between the bevel gear 16 and the intermittent bevel gear 17.
  • a spindle runner 5 is interposed between each pair of rotor metals 1 arranged on the same circle to face to each other at their bay portions, and it is moved by sequential rotations of the rotor metals 1 in either clockwise or anticlockwise direction, since the rotor metals 1 are capable of rotating 180 degrees both clockwise and anticlockwise as desired.
  • the present embodiment unlike the prior arts, makes it possible to move any desired spindle runner 5 quickly to a target position several steps ahead without causing the tangles of yarns. Also, the present embodiment makes it possible to form an embossed pattern on a knitted ground with every spindle runner 5 carrying a bobbin 6 thereon.
  • the solenoids 24, 24' constituting the slide biasing means 18 as described in the embodiment above can also be arranged side by side on the base 9 such that the plungers face upwards, rotatably supporting the projecting cam followers 22, 22' with their top ends, so that the projecting cam followers 22, 22' act on the solid cam 19 fixed to the outer end of the drive shaft 12. This makes it possible to utilize the space below the base 9 for wiring to energizing the solenoids 24, 24'.
  • the present embodiment can be configured to have the eccentric cam 31, which is included in the stopper means 28 for the rotor metal 1, on the drive shaft 12 outside the outer wall of the base 9 (in the vicinity of the solid cam 19) and to cover the peripheral mechanism including the eccentric cam 31 and the solid cam 19 with an open/close outer cover 35. This makes it possible to conduct timing adjustment or other operations easily by opening the outer cover 35.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
EP04011294A 2003-06-10 2004-05-12 Torchon lace machine Expired - Lifetime EP1486601B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003165745A JP4106308B2 (ja) 2003-06-10 2003-06-10 トーションレース機
JP2003165745 2003-06-10

Publications (2)

Publication Number Publication Date
EP1486601A1 EP1486601A1 (en) 2004-12-15
EP1486601B1 true EP1486601B1 (en) 2007-09-05

Family

ID=33296825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04011294A Expired - Lifetime EP1486601B1 (en) 2003-06-10 2004-05-12 Torchon lace machine

Country Status (6)

Country Link
EP (1) EP1486601B1 (ja)
JP (1) JP4106308B2 (ja)
KR (1) KR100540024B1 (ja)
CN (1) CN100422418C (ja)
DE (1) DE602004008699T2 (ja)
HK (1) HK1074230A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11457685B2 (en) 2017-05-30 2022-10-04 Nike, Inc. Double layer, single tube braid for footwear upper
US11547171B2 (en) 2017-05-30 2023-01-10 Nike, Inc. Mechanical lock sole structure for braided footwear

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5089351B2 (ja) * 2007-11-28 2012-12-05 株式会社市川鉄工 トーションレース機
JP5652821B2 (ja) * 2010-12-22 2015-01-14 株式会社市川鉄工 トーションレース機
JP6304635B2 (ja) 2013-06-25 2018-04-04 ナイキ イノヴェイト シーヴィーＮｉｋｅ Ｉｎｎｏｖａｔｅ Ｃ．Ｖ． 編み込みアッパーを有する履物製品
US10863794B2 (en) 2013-06-25 2020-12-15 Nike, Inc. Article of footwear having multiple braided structures
US9839253B2 (en) 2014-12-10 2017-12-12 Nike, Inc. Last system for braiding footwear
US9668544B2 (en) 2014-12-10 2017-06-06 Nike, Inc. Last system for articles with braided components
US10674791B2 (en) 2014-12-10 2020-06-09 Nike, Inc. Braided article with internal midsole structure
US20160345675A1 (en) 2015-05-26 2016-12-01 Nike, Inc. Hybrid Braided Article
US10238176B2 (en) 2015-05-26 2019-03-26 Nike, Inc. Braiding machine and method of forming a braided article using such braiding machine
US10280538B2 (en) 2015-05-26 2019-05-07 Nike, Inc. Braiding machine and method of forming an article incorporating a moving object
US10060057B2 (en) 2015-05-26 2018-08-28 Nike, Inc. Braiding machine with non-circular geometry
US10555581B2 (en) 2015-05-26 2020-02-11 Nike, Inc. Braided upper with multiple materials
US9920462B2 (en) 2015-08-07 2018-03-20 Nike, Inc. Braiding machine with multiple rings of spools
US11103028B2 (en) 2015-08-07 2021-08-31 Nike, Inc. Multi-layered braided article and method of making
WO2018071880A1 (en) * 2016-10-14 2018-04-19 Inceptus Medical, Llc Braiding machine and methods of use
US20180343958A1 (en) 2017-05-30 2018-12-06 Nike, Inc. Braided upper for footwear with finished heel axis
US10806210B2 (en) 2017-05-31 2020-10-20 Nike, Inc. Braided articles and methods for their manufacture
US10905189B2 (en) 2017-05-31 2021-02-02 Nike, Inc. Braided article of footwear incorporating flat yarn
US11051573B2 (en) 2017-05-31 2021-07-06 Nike, Inc. Braided articles and methods for their manufacture
US11202483B2 (en) 2017-05-31 2021-12-21 Nike, Inc. Braided articles and methods for their manufacture
US20180343960A1 (en) 2017-05-31 2018-12-06 Nike, Inc. Method of manufacturing a bi-axial braided article of footwear
US20190150552A1 (en) 2017-11-20 2019-05-23 Nike, Inc. Multi-layer braided upper
CN112292486B (zh) 2018-06-07 2022-04-26 耐克创新有限合伙公司 具有一体式系带的编织鞋类及其制造方法

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GB178390A (en) * 1922-01-19 1922-04-20 Gustav Krenzler Improvements in lace braiding machines
DE460091C (de) * 1926-12-24 1928-05-22 Robert Muenz Spitzenkloeppelmaschine mit einer Jacquardmaschine mit zwei Messern
PL182249B1 (pl) * 1995-06-14 2001-11-30 Nippon Mayer Co Ltd Urzadzenie sterujace wyborem funkcji przesuwnych widelek maszyny koronkarskiej PL
JPH09176943A (ja) * 1995-12-25 1997-07-08 Ichikawa Tekko:Kk トーションレース機における柄崩れ監視装置
CN1255598C (zh) * 2001-11-23 2006-05-10 张宝香 弹簧锭子

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11457685B2 (en) 2017-05-30 2022-10-04 Nike, Inc. Double layer, single tube braid for footwear upper
US11547171B2 (en) 2017-05-30 2023-01-10 Nike, Inc. Mechanical lock sole structure for braided footwear
US11877617B2 (en) 2017-05-30 2024-01-23 Nike, Inc. Mechanical lock sole structure for braided footwear

Also Published As

Publication number Publication date
EP1486601A1 (en) 2004-12-15
DE602004008699D1 (de) 2007-10-18
KR100540024B1 (ko) 2005-12-29
CN1572945A (zh) 2005-02-02
DE602004008699T2 (de) 2008-01-24
CN100422418C (zh) 2008-10-01
JP2005002491A (ja) 2005-01-06
HK1074230A1 (en) 2005-11-04
KR20040108550A (ko) 2004-12-24
JP4106308B2 (ja) 2008-06-25

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