US3919952A - Looper or needle eccentric adjustment means for tufting machines - Google Patents

Looper or needle eccentric adjustment means for tufting machines Download PDF

Info

Publication number
US3919952A
US3919952A US487751A US48775174A US3919952A US 3919952 A US3919952 A US 3919952A US 487751 A US487751 A US 487751A US 48775174 A US48775174 A US 48775174A US 3919952 A US3919952 A US 3919952A
Authority
US
United States
Prior art keywords
lever
jack shaft
shaft
machine
levers
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
US487751A
Other languages
English (en)
Inventor
Ernest Kenneth Lund
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.)
Philips Road Engineering Ltd
Original Assignee
Philips Road Engineering 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 Philips Road Engineering Ltd filed Critical Philips Road Engineering Ltd
Application granted granted Critical
Publication of US3919952A publication Critical patent/US3919952A/en
Assigned to PICKERING BLACKBURN LIMITED reassignment PICKERING BLACKBURN LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: EDGAR PICKERING (BLACKBURN) LIMITED
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D05C15/20—Arrangements or devices, e.g. needles, for inserting loops; Driving mechanisms therefor
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D05C15/22—Loop-catching arrangements, e.g. loopers; Driving mechanisms therefor

Definitions

  • ABSTRACT A tufting machine which includes a rockable jack shaft carrying at one side of the machine a duplicated jack shaft lever coupled to impart operational movement to loopers or neeldes of the machine, the duplicated jack shaft lever consisting of two levers of different length disposed side by side, both levers being independently and detachably connected to the jack shaft, the longer lever being connected at its end remote from the jack shaft to means for rocking the jack shaft and the shorter lever being connected at its end remote from the jack shaft to the longer lever by an eccentric stud which is rotatable to effect relative angular adjustment of the levers.
  • Tufting machines for producing tufted fabrics include, as is well known, means for advancing a backing fabric through the machine, a vertically reciprocable needle bar extending transversely'to the direction of advance of the fabric and carrying needles which penetrate the fabric to produce loops of yarn extending downwardly from the undersurface of the fabric and loopers (sometimes called tufting hooks) which are positioned in line beneath the fabric and are given an oscillating movement with respect to the needles to pick up the loops of yarn from the needles.
  • the movements may be imparted to the loopers and also to the needles from jack shafts, to which a rocking motion is imparted from the machine drive shaft and carrying jack shaft levers by which motion is imparted to the loopers or to the needles as the case may be.
  • the invention provides a tufting machine which includes a rockable jack shaft carrying at one side of the machine a duplicated jack shaft lever coupled to impart operational movement to loopers or needles of the machine, the duplicated jack shaft lever consisting of two levers of different length disposed side by side, both levers being independently and detachably connected to the jack shaft, the longer lever being connected at its end remote from the jack shaft to means for rocking the jack shaft and the shorter lever being connected at its end remote from the jack shaft to the longer lever by an eccentric stud which is rotatable to effect relative angular adjustment of the levers.
  • FIG. 1 is a side elevation illustrating a looper actuating mechanism.
  • FIG. 2 is a side elevation, on a larger scale, of the jack shaft lever
  • FIG. 3 is a section on the line III-III in FIG. 2,
  • FIGS. 4 and 5 are diagrams showing a looper and a needle in alternative positions of relative adjustment
  • FIG. 6 is a side elevation illustrating a needle operating mechanism.
  • the tufting machine illustrated includes a bar 10 (FIG. 1) carrying a number of loopers 11, each of which coacts with one of the needles 12 (FIGS. 4 and 5) on the needle bar to pick up the loops of yarn which are projected through a backing fabric by reciprocation of the needle bar, the fabric travelling continuously through the machine in a direction transverse to the length of the needle bar in the well known manner.
  • the bar 10 is supported at each side of the machine by a bracket 13 on a shaft 14 to which oscillating movement is imparted by the mechanism shown in FIG. 1 and by a substantially identical mechanism at the other end of the machine.
  • the movement is derived from a continuously rotating drive shaft 15 carrying near each end an eccentric 16 surrounded by a ring 17 integral with a link 18 which can be coupled by a pin 19 to alternativeholes 20 in an arm 21 fixed to a rocker shaft 22 to vary the stroke imparted to the loopers 11.
  • each end of the rocker shaft 22 Fixed to each end of the rocker shaft 22 is an arm 23, having a slot 24 engaged by a pin 25 on the upper end of a link 26.
  • a jack shaft lever 27, attached'to a jack shaft 28, is connected by a pair of links 29 to the lower end of the link 26.
  • the jack shaft 28 carries an arm 30, connected by a link 31 to the bracket 13.
  • the jack shaft levers 27 have been made in one piece and the operation has been carried out manually when the needles 12 are in the backing fabric and the loopers 11 extend across the needles, as shown in FIGS. 4 and 5.
  • the jackshaft levers 27 are slackened on the jack shaft 28 and the whole looper bar assembly is physically levered from one end of the machine backwards and forwards by trial and error until the required setting is obtained.
  • the jack shaft levers 27 are then tightened on the jack shaft 28 to take up the drive.
  • the jack shaft lever 27 at one side of the machine is, as shown most clearly in FIGS. 2 and 3 made in two parts 27A, 278.
  • the part 27A is connected by a pin 32 to the links 29 and can be clamped to the jack shaft 28 by screws 33.
  • the lever 27B is coupled to the lever 27A by an eccentric stud 34 having a larger portion engaging a hole in the lever 27A and a smaller eccentric portion 34A engaging a slot 343 in the lever 27B, and can be clamped to the jack shaft 28 by screws 35.
  • this may be performed by slackening the lock nut 36 and the screws 35 to free the lever, 27B from the shaft 28, turning the stud 34 to the central position and retightening the lock nut 36 and the screws 35.
  • a scale 41 is provided to indicate the position of adjustment of the stud 34, the scale cooperating with an index mark 50 on a flange 42 on the stud 34.
  • the needles 12 are mounted on a neddle bar 50 carried by a push rod 51 which is reciprocated by a link 52 operated by an adjustable double lever 27 similar to that shown in FIG. 3 from a rocking shaft 28A which is rocked by an eccentric 43 on a drive shaft 44 by a linkage 45. Adjustment of the end positions of the needle stroke without alteration of the length of the stroke can be effected by adjustment of the double lever 27, in the manner already described by release of the connections of the portions thereof to the shaft 28A and rotation of the eccentric stud, the head whereof is shown at 37 in FIG. 6.
  • a tufting machine the combination of a machine element mounted for movement to and fro in a predetermined but adjustable stroke, a continuously rotatable drive shaft and an operating linkage for imparting said movement to said machine element from said drive shaft, said operating linkage including a rocking shaft, a duplicated lever comprising a first lever and a second lever each having a first and a second end, first releasable means connecting the first end of the first lever to the rocking shaft, independent second releasable means connecting the first end of the second lever to the rocking shaft, means connecting the second end of the first lever to a member of said operating linkage, and an eccentric stud and slot means interconnecting the second end of the second lever to the first lever, said eccentric stud being rotatable to effect relative angular adjustment of said levers upon release of said first releasable means.
  • a tufting machine according to claim 1, wherein said eccentric stud has a larger portion engaging a hole in said first lever and an eccentric similar portion engaging a slot in said second lever, said machine including a lock nut on the smaller portion of said stud.
  • a tufting machine which includes a shaft carrying said loopers, a bracket on said shaft, an arm on said rocking shaft and a link coupling said bracket to said arm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Looms (AREA)
US487751A 1973-07-11 1974-07-11 Looper or needle eccentric adjustment means for tufting machines Expired - Lifetime US3919952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3299573A GB1438033A (it) 1973-07-11 1973-07-11

Publications (1)

Publication Number Publication Date
US3919952A true US3919952A (en) 1975-11-18

Family

ID=10347113

Family Applications (1)

Application Number Title Priority Date Filing Date
US487751A Expired - Lifetime US3919952A (en) 1973-07-11 1974-07-11 Looper or needle eccentric adjustment means for tufting machines

Country Status (5)

Country Link
US (1) US3919952A (it)
JP (1) JPS5037559A (it)
AU (1) AU475362B2 (it)
DE (1) DE2430906A1 (it)
GB (1) GB1438033A (it)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108096A (en) * 1977-05-16 1978-08-22 The Singer Company Needle bar drive stabilizing arrangement
US4187788A (en) * 1978-10-26 1980-02-12 B & J Machinery Company, Inc. Tufting machine
US4419944A (en) * 1981-11-09 1983-12-13 Passons William E Multiple stroke looper mechanism for stitching machine
WO1986000098A1 (en) * 1984-06-13 1986-01-03 Boerkamp, Gerrit, Gohannes Pile forming apparatus
US4741571A (en) * 1986-12-15 1988-05-03 Dura Corporation Manually foldable top for automobile vehicles
US4786204A (en) * 1986-02-24 1988-11-22 The Eversman Mfg. Company Clamping apparatus with bi-directional clamping device
USRE34033E (en) * 1986-12-15 1992-08-18 Wickes Manufacturing Company Manually foldable top for automobile vehicles
US5186113A (en) * 1991-10-30 1993-02-16 Tuftco, Inc. Inverted tufting machine needle drive and stroke adjustment
US5528805A (en) * 1993-09-13 1996-06-25 Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft Cranking mechanism for a needle board for needling a nonwoven web
US5548881A (en) * 1994-04-28 1996-08-27 Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft Apparatus for needling a nonwoven web with a rocking needle board
US5706745A (en) * 1995-11-21 1998-01-13 Card-Monroe Corp. Tufting machine belt driven drive assembly
FR2799477A1 (fr) * 1999-10-08 2001-04-13 Fehrer Textilmasch Dispositif d'aiguillage d'un matelas de fibres
CN109001627A (zh) * 2018-05-23 2018-12-14 中车永济电机有限公司 一种电机试验拖动装置
US10233578B2 (en) 2016-03-17 2019-03-19 Card-Monroe Corp. Tufting machine and method of tufting
US11193225B2 (en) 2016-03-17 2021-12-07 Card-Monroe Corp. Tufting machine and method of tufting
US20220325456A1 (en) * 2019-10-01 2022-10-13 Vi.Be.Mac. S.P.A. Handling system for sewing machines
US11585029B2 (en) 2021-02-16 2023-02-21 Card-Monroe Corp. Tufting maching and method of tufting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214767A (en) * 1937-08-03 1940-09-17 Sr Walter Tibbs Kenner Tufting attachment for sewing machines
US3084644A (en) * 1960-03-23 1963-04-09 Singer Cobble Inc Apparatus for tufting skip-stitch patterns
US3626878A (en) * 1970-04-08 1971-12-14 B & J Machinery Co Tufting machine for forming shag-type pile fabric
US3749036A (en) * 1971-02-18 1973-07-31 Singer Co Hook bar adjustment means for tufting machines
US3830174A (en) * 1973-03-30 1974-08-20 Pickering Edgar Ltd Tufting machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214767A (en) * 1937-08-03 1940-09-17 Sr Walter Tibbs Kenner Tufting attachment for sewing machines
US3084644A (en) * 1960-03-23 1963-04-09 Singer Cobble Inc Apparatus for tufting skip-stitch patterns
US3626878A (en) * 1970-04-08 1971-12-14 B & J Machinery Co Tufting machine for forming shag-type pile fabric
US3749036A (en) * 1971-02-18 1973-07-31 Singer Co Hook bar adjustment means for tufting machines
US3830174A (en) * 1973-03-30 1974-08-20 Pickering Edgar Ltd Tufting machines

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108096A (en) * 1977-05-16 1978-08-22 The Singer Company Needle bar drive stabilizing arrangement
US4187788A (en) * 1978-10-26 1980-02-12 B & J Machinery Company, Inc. Tufting machine
US4419944A (en) * 1981-11-09 1983-12-13 Passons William E Multiple stroke looper mechanism for stitching machine
WO1986000098A1 (en) * 1984-06-13 1986-01-03 Boerkamp, Gerrit, Gohannes Pile forming apparatus
US4786204A (en) * 1986-02-24 1988-11-22 The Eversman Mfg. Company Clamping apparatus with bi-directional clamping device
US4741571A (en) * 1986-12-15 1988-05-03 Dura Corporation Manually foldable top for automobile vehicles
USRE34033E (en) * 1986-12-15 1992-08-18 Wickes Manufacturing Company Manually foldable top for automobile vehicles
US5186113A (en) * 1991-10-30 1993-02-16 Tuftco, Inc. Inverted tufting machine needle drive and stroke adjustment
US5528805A (en) * 1993-09-13 1996-06-25 Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft Cranking mechanism for a needle board for needling a nonwoven web
US5548881A (en) * 1994-04-28 1996-08-27 Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft Apparatus for needling a nonwoven web with a rocking needle board
US5706745A (en) * 1995-11-21 1998-01-13 Card-Monroe Corp. Tufting machine belt driven drive assembly
US5857422A (en) * 1995-11-21 1999-01-12 Card-Monroe Corp. Tufting machine belt driven drive assembly
FR2799477A1 (fr) * 1999-10-08 2001-04-13 Fehrer Textilmasch Dispositif d'aiguillage d'un matelas de fibres
US10233578B2 (en) 2016-03-17 2019-03-19 Card-Monroe Corp. Tufting machine and method of tufting
US10995440B2 (en) 2016-03-17 2021-05-04 Card-Monroe Corp. Tufting machine and method of tufting
US11193225B2 (en) 2016-03-17 2021-12-07 Card-Monroe Corp. Tufting machine and method of tufting
US11702782B2 (en) 2016-03-17 2023-07-18 Card-Monroe Corp. Tufting machine and method of tufting
US11708654B2 (en) 2016-03-17 2023-07-25 Card-Monroe Corp. Tufting machine and method of tufting
CN109001627A (zh) * 2018-05-23 2018-12-14 中车永济电机有限公司 一种电机试验拖动装置
CN109001627B (zh) * 2018-05-23 2020-08-21 中车永济电机有限公司 一种电机试验拖动装置
US20220325456A1 (en) * 2019-10-01 2022-10-13 Vi.Be.Mac. S.P.A. Handling system for sewing machines
US11585029B2 (en) 2021-02-16 2023-02-21 Card-Monroe Corp. Tufting maching and method of tufting

Also Published As

Publication number Publication date
DE2430906A1 (de) 1975-01-30
AU7031074A (en) 1976-01-08
AU475362B2 (en) 1976-08-19
GB1438033A (it) 1976-06-03
JPS5037559A (it) 1975-04-08

Similar Documents

Publication Publication Date Title
US3919952A (en) Looper or needle eccentric adjustment means for tufting machines
US4241675A (en) Modular gauge parts assembly for cut/loop tufting machines
US3368507A (en) Feeding mechanism for sewing machines
US3970018A (en) Work feeding mechanism for sewing machines
US3830174A (en) Tufting machines
US4624202A (en) Sewing machine differential feed
US3618544A (en) Convertible tufting machines
US3850120A (en) Narrow gauge tufting machine
US2046928A (en) Stitch forming mechanism for sewing machines
US3867891A (en) Multi-needle double chain-stitch quilting machine
US4067275A (en) Device for sewing machines for displacing sewn material for a short period of time
US2152766A (en) Sewing mechanism
US3096737A (en) Fabric feeder mechanism for sewing machine
US5447109A (en) Thread handling system for a sewing machine
US3460497A (en) Stitching control mechanism for chainstitch sewing machines
US2495069A (en) Article attaching machine
US3490401A (en) Sewing machine for forming intermittently locked stitches
US2189657A (en) Feed mechanism for sewing machines and the like
US3207108A (en) Devices for controlling the movement of the needles of embroidery machines
US3036534A (en) Apparatus for sewing on buttons
US2489513A (en) Machine for making pile fabrics
US1201084A (en) Overseaming sewing-machine.
US2009194A (en) Presser-foot lifting mechanism for sewing machines
US1573138A (en) Sewing machine
US1223564A (en) Sewing-machine.

Legal Events

Date Code Title Description
AS Assignment

Owner name: PICKERING BLACKBURN LIMITED

Free format text: CHANGE OF NAME;ASSIGNOR:EDGAR PICKERING (BLACKBURN) LIMITED;REEL/FRAME:003793/0722

Effective date: 19800801