EP1113100A3 - Needle thread guide device for double chain stitch sewing machine - Google Patents

Needle thread guide device for double chain stitch sewing machine Download PDF

Info

Publication number
EP1113100A3
EP1113100A3 EP00127921A EP00127921A EP1113100A3 EP 1113100 A3 EP1113100 A3 EP 1113100A3 EP 00127921 A EP00127921 A EP 00127921A EP 00127921 A EP00127921 A EP 00127921A EP 1113100 A3 EP1113100 A3 EP 1113100A3
Authority
EP
European Patent Office
Prior art keywords
needle thread
thread guide
looper
needle
guide device
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
EP00127921A
Other languages
German (de)
French (fr)
Other versions
EP1113100A2 (en
EP1113100B1 (en
Inventor
Katsuhiko Yamato Sewing Machine Seizo Co. Iwai
Takashi Yamato Sewing Machine Seizo Co. Mizusaki
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.)
Yamato Sewing Machine Mfg Co Ltd
Original Assignee
Yamato Sewing Machine Mfg 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 Yamato Sewing Machine Mfg Co Ltd filed Critical Yamato Sewing Machine Mfg Co Ltd
Publication of EP1113100A2 publication Critical patent/EP1113100A2/en
Publication of EP1113100A3 publication Critical patent/EP1113100A3/en
Application granted granted Critical
Publication of EP1113100B1 publication Critical patent/EP1113100B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B51/00—Applications of needle-thread guards; Thread-break detectors

Abstract

A needle thread guide device for double ring stitch sewing machine is used for the case that a double ring stitch is formed by forming a plurality of needle thread loops below a fabric and allowing a looper to successively enter these needle thread loops. The needle thread guide device has a cam (8c) which is formed at a location near a thread receiving surface (8a) of a needle thread guide (8), so as to be integral with the needle thread guide (8). The cam applies a tensile force, immediately before a looper enters, to a needle thread loop (6Lr) of a left needle thread (6L) which the looper enters finally in plural needle threads (6R, 6L) being received and supported on the thread receiving surface (8a) of the needle thread guide (8), as a movable needle thread take-up (3) rocks upward relative to rising movement of right and left needles (1R, 1L) from a bottom dead point. With this construction, it is avoided that the looper erroneously enters the plural needle thread loops, and a predetermined stitch is therefore formed reliably without causing skip-stitch.
EP20000127921 1999-12-30 2000-12-20 Needle thread guide device for double chain stitch sewing machine Expired - Lifetime EP1113100B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP37741199A JP4296560B2 (en) 1999-12-30 1999-12-30 Needle thread guide device for double chain stitch sewing machine
JP37741199 1999-12-30

Publications (3)

Publication Number Publication Date
EP1113100A2 EP1113100A2 (en) 2001-07-04
EP1113100A3 true EP1113100A3 (en) 2002-04-17
EP1113100B1 EP1113100B1 (en) 2005-09-28

Family

ID=18508768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000127921 Expired - Lifetime EP1113100B1 (en) 1999-12-30 2000-12-20 Needle thread guide device for double chain stitch sewing machine

Country Status (5)

Country Link
EP (1) EP1113100B1 (en)
JP (1) JP4296560B2 (en)
CN (1) CN1116462C (en)
DE (1) DE60022852T2 (en)
TW (1) TWI228161B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3766297B2 (en) * 2001-08-02 2006-04-12 ペガサスミシン製造株式会社 Multi-needle double chain stitch sewing machine needle thread controller
JP2003117271A (en) * 2001-10-17 2003-04-22 Yamato Sewing Mach Co Ltd Sewing machine
JP3834754B2 (en) * 2002-05-01 2006-10-18 ヤマトミシン製造株式会社 Sewing machine
CN100389236C (en) * 2002-05-10 2008-05-21 大和缝纫机制造株式会社 Thread tension device of sewing machine
JP2008220597A (en) * 2007-03-12 2008-09-25 Yamato Sewing Mach Co Ltd Driving device of sewing machine
CN102140738A (en) * 2010-11-12 2011-08-03 苏州市青田企业发展有限公司 Pressing and positioning device for twin-needle M/C
JP7371915B2 (en) 2020-03-26 2023-10-31 オルガン針株式会社 Sewing method using an interlock stitch sewing machine needle and interlock stitch sewing machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0796088A (en) * 1993-09-30 1995-04-11 Juki Corp Method for forming seam of double chain stitch sewing machine and device therefor
US5495816A (en) * 1993-09-10 1996-03-05 Rimoldi Necchi S.R.L. Multi-needle sewing machine with thread tension control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3489089B2 (en) * 1995-09-01 2004-01-19 ヤマトミシン製造株式会社 Looper threading device
JP3498480B2 (en) * 1996-04-11 2004-02-16 ヤマトミシン製造株式会社 Sewing machine with thread reeling device
JPH09285666A (en) * 1996-04-19 1997-11-04 Pegasus Sewing Mach Mfg Co Ltd Thread control device of multi-thread chain stitch sewing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495816A (en) * 1993-09-10 1996-03-05 Rimoldi Necchi S.R.L. Multi-needle sewing machine with thread tension control
JPH0796088A (en) * 1993-09-30 1995-04-11 Juki Corp Method for forming seam of double chain stitch sewing machine and device therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 07 31 August 1995 (1995-08-31) *

Also Published As

Publication number Publication date
EP1113100A2 (en) 2001-07-04
JP4296560B2 (en) 2009-07-15
JP2001187290A (en) 2001-07-10
EP1113100B1 (en) 2005-09-28
DE60022852D1 (en) 2006-02-09
TWI228161B (en) 2005-02-21
DE60022852T2 (en) 2006-06-22
CN1116462C (en) 2003-07-30
CN1301890A (en) 2001-07-04

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