EP2154282A3 - Corner knife mechanism of welting machine - Google Patents

Corner knife mechanism of welting machine Download PDF

Info

Publication number
EP2154282A3
EP2154282A3 EP09167124.8A EP09167124A EP2154282A3 EP 2154282 A3 EP2154282 A3 EP 2154282A3 EP 09167124 A EP09167124 A EP 09167124A EP 2154282 A3 EP2154282 A3 EP 2154282A3
Authority
EP
European Patent Office
Prior art keywords
corner
knife
knives
actuator
corner knife
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.)
Granted
Application number
EP09167124.8A
Other languages
German (de)
French (fr)
Other versions
EP2154282A2 (en
EP2154282B1 (en
Inventor
Yutaka Hirasawa
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.)
Juki Corp
Original Assignee
Juki Corp
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 Juki Corp filed Critical Juki Corp
Publication of EP2154282A2 publication Critical patent/EP2154282A2/en
Publication of EP2154282A3 publication Critical patent/EP2154282A3/en
Application granted granted Critical
Publication of EP2154282B1 publication Critical patent/EP2154282B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/10—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for making piped openings
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
    • D05B37/04—Cutting devices
    • D05B37/06—Cutting devices with oscillating tools
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2305/00—Operations on the work before or after sewing
    • D05D2305/08—Cutting the workpiece

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The invention relates to a corner knife mechanism (100A, 100B) of a welting machine (10). The corner knife mechanism (100A, 100B) includes a plurality of first corner knives (101, 102, 101A, 102A) having different cutting edge angles (θe1, θe2) or different mounting angles (θ1, θ2), a plurality of second corner knives (103, 104, 103A, 104A) having different cutting edge angles (θe3, θe4) or different mounting angles (θ3, θ4), a corner knife holder (105) on which the first and second corner knives are arranged, a knife selecting actuator (121) which moves the corner knife holder (105) in a direction (Y) along which of the first and second corner knives are arranged, a cutting actuator (131, 132) which selectively moves up and down the first and second corner knives; and an operation control means (80) which controls the knife selecting actuator (121) and the cutting actuator (131, 132) to select a combination of one of the first corner knives and one of the second corner knives and to form a corner cut. The first corner knife and the second corner knife of the combination are symmetrically oriented with respect to the cloth feeding direction (F) and have the same mounting angle (θ1, θ3; θ2, θ4) or the same cutting edge angle (θe1, θe3; θe2, θe4).
EP09167124.8A 2008-08-04 2009-08-04 Corner knife mechanism of welting machine Active EP2154282B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008200526A JP2010035736A (en) 2008-08-04 2008-08-04 Corner knife mechanism of welting machine

Publications (3)

Publication Number Publication Date
EP2154282A2 EP2154282A2 (en) 2010-02-17
EP2154282A3 true EP2154282A3 (en) 2015-02-11
EP2154282B1 EP2154282B1 (en) 2017-06-07

Family

ID=41328936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09167124.8A Active EP2154282B1 (en) 2008-08-04 2009-08-04 Corner knife mechanism of welting machine

Country Status (3)

Country Link
EP (1) EP2154282B1 (en)
JP (1) JP2010035736A (en)
CN (1) CN101643978B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847097A (en) * 1973-03-20 1974-11-12 Pfaff Ind Masch Device for making braid openings in cutout pieces of garments
DE4224034A1 (en) * 1991-07-25 1993-01-28 Brother Ind Ltd Sewing machine fabric pocket opening cutter - has blades with angled cutting edges to cut angled slits at ends of straight slit by given angle and length
DE19845624C1 (en) * 1998-10-05 2000-05-11 Duerkopp Adler Ag Sewing system for producing a piped pocket opening
DE102007014547A1 (en) * 2006-03-27 2007-10-11 Juki Corp., Chofu Facing machine has corner knife mounted below sewing machine table which can be moved from working position to maintenance position below corner of table, where stop system prevents it from moving outwards

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186891A (en) * 1986-02-13 1987-08-15 佐藤精器株式会社 Corner knife operation mechanism in automatic binding sewingmachine
JP4903598B2 (en) * 2007-02-16 2012-03-28 Ｊｕｋｉ株式会社 Sewing sewing machine
JP5241244B2 (en) * 2007-02-16 2013-07-17 Ｊｕｋｉ株式会社 Sewing sewing machine
JP5174423B2 (en) * 2007-10-24 2013-04-03 Ｊｕｋｉ株式会社 Sewing sewing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847097A (en) * 1973-03-20 1974-11-12 Pfaff Ind Masch Device for making braid openings in cutout pieces of garments
DE4224034A1 (en) * 1991-07-25 1993-01-28 Brother Ind Ltd Sewing machine fabric pocket opening cutter - has blades with angled cutting edges to cut angled slits at ends of straight slit by given angle and length
DE19845624C1 (en) * 1998-10-05 2000-05-11 Duerkopp Adler Ag Sewing system for producing a piped pocket opening
DE102007014547A1 (en) * 2006-03-27 2007-10-11 Juki Corp., Chofu Facing machine has corner knife mounted below sewing machine table which can be moved from working position to maintenance position below corner of table, where stop system prevents it from moving outwards

Also Published As

Publication number Publication date
EP2154282A2 (en) 2010-02-17
EP2154282B1 (en) 2017-06-07
CN101643978A (en) 2010-02-10
CN101643978B (en) 2013-05-01
JP2010035736A (en) 2010-02-18

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