GB1119955A - Improvements in severing devices for the threads on double chain-stitch sewing machines - Google Patents

Improvements in severing devices for the threads on double chain-stitch sewing machines

Info

Publication number
GB1119955A
GB1119955A GB30257/67A GB3025767A GB1119955A GB 1119955 A GB1119955 A GB 1119955A GB 30257/67 A GB30257/67 A GB 30257/67A GB 3025767 A GB3025767 A GB 3025767A GB 1119955 A GB1119955 A GB 1119955A
Authority
GB
United Kingdom
Prior art keywords
looper
hook
loops
needle thread
threads
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
Application number
GB30257/67A
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.)
Union Special GmbH
Original Assignee
Union Special GmbH
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 Union Special GmbH filed Critical Union Special GmbH
Publication of GB1119955A publication Critical patent/GB1119955A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/02—Loop takers, e.g. loopers for chain-stitch sewing machines, e.g. oscillating

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

1,119,955. Sewing machines. UNION SPECIAL MASCHINENFABRIK G.m.b.H. 30 June, 1967 [6 Aug., 1966], No. 30257/67. Addition to 1071508. Heading DIG. In a sewing machine having a plurality of needles and a single threaded looper co-operating therewith, and in which needle thread loops are engaged with the looper when the needles are raised, a thread-catching member, movable between the looper and the throat plate to co-operate with a cutting blade and clamping spring for severing the needle and looper threads, is so arranged that its path of movement extends through said needle thread loops when the looper is located in its foremost end position. A thread-catching member 7 having hooks 8, 9, moves from a retracted position, as shown, to a forward position through the needle thread loops 1a, 2a engaged with the threaded looper blade 3. During the forward movement of member 7 the needle thread loops 1a, 2a are displaced laterally by the hooks 8, 9 and are finally positioned behind hook 9, while the loop 5a of the looper is displaced laterally by hook of the looper, is displace dlaterally by hook 8 to engage behind the latter. During the return movement of member 7, loops 1a, 2a are shifted by hook 9 into engagement with a cutting blade 10 and clamping spring 11, while hook 8 shifts loop 5a into engagement with said blade and spring.
GB30257/67A 1965-05-08 1967-06-30 Improvements in severing devices for the threads on double chain-stitch sewing machines Expired GB1119955A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEU0011705 1965-05-08
DEU0012259 1965-12-09
DEU0012972 1966-08-06

Publications (1)

Publication Number Publication Date
GB1119955A true GB1119955A (en) 1968-07-17

Family

ID=27213244

Family Applications (3)

Application Number Title Priority Date Filing Date
GB19999/66A Expired GB1071508A (en) 1965-05-08 1966-05-06 Improvements in severing devices for the threads on double chain stitch sewing machines
GB37654/66A Expired GB1142729A (en) 1965-05-08 1966-08-23 Improvements in severing devices for the threads of lock stitch sewing machines
GB30257/67A Expired GB1119955A (en) 1965-05-08 1967-06-30 Improvements in severing devices for the threads on double chain-stitch sewing machines

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB19999/66A Expired GB1071508A (en) 1965-05-08 1966-05-06 Improvements in severing devices for the threads on double chain stitch sewing machines
GB37654/66A Expired GB1142729A (en) 1965-05-08 1966-08-23 Improvements in severing devices for the threads of lock stitch sewing machines

Country Status (4)

Country Link
US (2) US3424117A (en)
DE (2) DE1485429C3 (en)
FR (3) FR1477318A (en)
GB (3) GB1071508A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200050A (en) * 1977-09-27 1980-04-29 Necchi Societa Per Azioni Thread cutting device for lockstitch sewing machines
US4834010A (en) * 1987-03-03 1989-05-30 Pegasus Sewing Machine Mfg. Co., Ltd. Reciprocating thread cutter for multi-needle looper thread type sewing machine
US4879960A (en) * 1988-07-22 1989-11-14 Kansai Special Usa Corp. Thread trimmer system for in-line chain stitch sewing machine
US5469798A (en) * 1993-07-14 1995-11-28 Union Special Gmbh Thread cutting device and method for a chain stitch sewing machine
US5664511A (en) * 1995-03-14 1997-09-09 Tokai Industrial Sewing Machine Co., Ltd. Thread cutter and drive unit for a chain stitch sewing machine

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES354872A1 (en) * 1967-07-07 1969-11-16 Rimoldi C Spa Virginio Device for simultaneously cutting the sewing threads in a sewing machine
US3602170A (en) * 1969-03-24 1971-08-31 Aisin Seiki Thread cutter in sewing machine
DE2013581B2 (en) * 1970-03-21 1974-09-26 Kochs Adler Ag, 4800 Bielefeld Thread cutting device on double chainstitch sewing machines
US3665878A (en) * 1970-12-18 1972-05-30 Teledyne Inc Thread trimmer for blind stitch sewing machine
US3871307A (en) * 1973-04-05 1975-03-18 Munsingwear Inc Placket forming machine
US3867892A (en) * 1974-05-09 1975-02-25 Singer Co Underbed thread trimmer for chainstitch sewing machines
DE2538916C2 (en) * 1975-09-02 1983-11-17 Union Special Gmbh, 7000 Stuttgart Thread cutting device for a chain stitch sewing machine
FR2322955A1 (en) * 1975-09-02 1977-04-01 Union Special Maschinenfab THREAD SEPARATOR DEVICE FOR CHAIN STITCH SEWING MACHINES
US4235179A (en) * 1979-07-19 1980-11-25 The Singer Company Underbed thread trimmer picking arm
US4683828A (en) * 1985-09-04 1987-08-04 Yamato Mishin Seizo Kabushiki Kaisha Ornamental thread automatic cutting device of flat plural-needles sewing machine
JPS62298393A (en) * 1986-06-19 1987-12-25 ペガサスミシン製造株式会社 Thread cutter for cylinder sewing machine
JPH0515916Y2 (en) * 1988-12-05 1993-04-26
US5127350A (en) * 1989-06-27 1992-07-07 Pegasus Sewing Machine Mfg. Co., Ltd. Method and apparatus for cutting cover thread in a multi-needle sewing machine
US5417173A (en) * 1991-10-24 1995-05-23 Yamato Mishin Seizo Kabushiki Kaisha Method of cutting threads in a sewing machine and device for performing the same
US5676077A (en) * 1995-02-16 1997-10-14 Landoni; Giannino Multi-needle chain stitch sewing machine with thread severing system
JP3318482B2 (en) * 1996-02-28 2002-08-26 ペガサスミシン製造株式会社 Method and apparatus for preventing seam fraying
US6119613A (en) * 1997-08-12 2000-09-19 Pegasus Sewing Machine Mfg. Co., Ltd. Method and apparatus for preventing a seam from raveling in double chain stitch sewing machine
JP3571576B2 (en) * 1999-05-06 2004-09-29 ペガサスミシン製造株式会社 Seam fraying prevention device
TW547505U (en) * 2002-07-25 2003-08-11 Shian-Chang Tzeng Thread hooking device for upper ring sewing hook claw of sewing machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1234258A (en) * 1913-09-06 1917-07-24 Singer Mfg Co Thread cutting and holding device for sewing-machines.
US1395274A (en) * 1914-08-17 1921-11-01 Reece Button Hole Machine Co Sewing-machine
US1883654A (en) * 1927-05-18 1932-10-18 Union Special Machine Co Thread cutter for sewing machines
US1879173A (en) * 1928-09-21 1932-09-27 Simmons Co Sewing machine
US2176836A (en) * 1938-03-18 1939-10-17 Singer Mfg Co Seam for sewed articles
US2335827A (en) * 1942-01-07 1943-11-30 Singer Mfg Co Article attaching machine
US2591447A (en) * 1950-06-03 1952-04-01 Fred H Loomis Sewing-machine thread cutter
DE1485265C2 (en) * 1962-09-18 1975-12-11 G. M. Pfaff Ag, 6750 Kaiserslautern Thread cutting device on sewing machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200050A (en) * 1977-09-27 1980-04-29 Necchi Societa Per Azioni Thread cutting device for lockstitch sewing machines
US4834010A (en) * 1987-03-03 1989-05-30 Pegasus Sewing Machine Mfg. Co., Ltd. Reciprocating thread cutter for multi-needle looper thread type sewing machine
US4879960A (en) * 1988-07-22 1989-11-14 Kansai Special Usa Corp. Thread trimmer system for in-line chain stitch sewing machine
US5469798A (en) * 1993-07-14 1995-11-28 Union Special Gmbh Thread cutting device and method for a chain stitch sewing machine
US5664511A (en) * 1995-03-14 1997-09-09 Tokai Industrial Sewing Machine Co., Ltd. Thread cutter and drive unit for a chain stitch sewing machine

Also Published As

Publication number Publication date
DE1485429C3 (en) 1973-09-20
GB1071508A (en) 1967-06-07
DE1485424A1 (en) 1969-07-17
FR92868E (en) 1969-01-10
GB1142729A (en) 1969-02-12
DE1685067C3 (en) 1974-01-31
US3424117A (en) 1969-01-28
FR1477318A (en) 1967-04-14
DE1685067B2 (en) 1973-06-14
DE1685067A1 (en) 1971-05-06
DE1485429B2 (en) 1973-02-15
US3424115A (en) 1969-01-28
DE1485429A1 (en) 1969-07-10
FR1490285A (en) 1967-07-28

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