US3742880A - Double chain stitch sewing machine having compound feeding means - Google Patents

Double chain stitch sewing machine having compound feeding means Download PDF

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Publication number
US3742880A
US3742880A US00227137A US3742880DA US3742880A US 3742880 A US3742880 A US 3742880A US 00227137 A US00227137 A US 00227137A US 3742880D A US3742880D A US 3742880DA US 3742880 A US3742880 A US 3742880A
Authority
US
United States
Prior art keywords
needle
shaft
hook
stitch
rocking
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
US00227137A
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English (en)
Inventor
L Franz
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.)
Pfaff Industriemaschinen GmbH
Original Assignee
Pfaff Industriemaschinen 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 Pfaff Industriemaschinen GmbH filed Critical Pfaff Industriemaschinen GmbH
Application granted granted Critical
Publication of US3742880A publication Critical patent/US3742880A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements

Definitions

  • the drive of the double chain stitch book 72 which is secured on a hook support 73 and whose point is oriented in the direction opposite to the direction of the forward feed (arrow V) is derived from an eccentric 74 secured to the rocking shaft 59 and transmitted by an eccentric bar 75 to the hook carrier 73 which is pivotable about pin 76.
  • a loop spreader 77 cooperates with the hook 72 and is secured to a slide bar 78 movably guided in the work plate 30.
  • the slide bar 78 has imparted to it feed movements in a direction vertically to the direction of feed (arrow V) by an eccentric 79 se cured on the shaft 59 by way of an eccentric bar 80, a bell crank lever 82 pivotable about a stationary pin 81 and a link 83.
US00227137A 1971-02-22 1972-02-17 Double chain stitch sewing machine having compound feeding means Expired - Lifetime US3742880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2108309 1971-02-22

Publications (1)

Publication Number Publication Date
US3742880A true US3742880A (en) 1973-07-03

Family

ID=5799438

Family Applications (1)

Application Number Title Priority Date Filing Date
US00227137A Expired - Lifetime US3742880A (en) 1971-02-22 1972-02-17 Double chain stitch sewing machine having compound feeding means

Country Status (5)

Country Link
US (1) US3742880A (de)
JP (1) JPS5338647B1 (de)
DE (1) DE2108309B1 (de)
GB (1) GB1361550A (de)
IT (1) IT949023B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599957A (en) * 1982-04-21 1986-07-15 Rockwell-Rimoldi S.P.A. Looper actuating device for sewing machines
US4643113A (en) * 1984-03-27 1987-02-17 Kochs Adler, Ag Chain stitch sewing machine
US5765493A (en) * 1995-11-20 1998-06-16 Brother Kogyo Kabushiki Kaisha Sewing machine with detachable loop taker module
US5791272A (en) * 1995-11-20 1998-08-11 Brother Kogyo Kabushiki Kaisha Sewing machine with detachable and independently driven loop taker module
CN113293535A (zh) * 2021-06-24 2021-08-24 东莞创辉缝纫机有限公司 一种锁式链式互换一体的辘脚机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819061C1 (de) * 1988-06-04 1989-11-23 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern, De

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285210A (en) * 1962-10-13 1966-11-15 Pfaff Ag G M Looper drive for chain stitch sewing machines
US3301206A (en) * 1963-02-21 1967-01-31 Duerkoppwerke Chain-stitch sewing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285210A (en) * 1962-10-13 1966-11-15 Pfaff Ag G M Looper drive for chain stitch sewing machines
US3301206A (en) * 1963-02-21 1967-01-31 Duerkoppwerke Chain-stitch sewing machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599957A (en) * 1982-04-21 1986-07-15 Rockwell-Rimoldi S.P.A. Looper actuating device for sewing machines
US4643113A (en) * 1984-03-27 1987-02-17 Kochs Adler, Ag Chain stitch sewing machine
US5765493A (en) * 1995-11-20 1998-06-16 Brother Kogyo Kabushiki Kaisha Sewing machine with detachable loop taker module
US5791272A (en) * 1995-11-20 1998-08-11 Brother Kogyo Kabushiki Kaisha Sewing machine with detachable and independently driven loop taker module
CN113293535A (zh) * 2021-06-24 2021-08-24 东莞创辉缝纫机有限公司 一种锁式链式互换一体的辘脚机

Also Published As

Publication number Publication date
IT949023B (it) 1973-06-11
DE2108309B1 (de) 1972-05-25
JPS5338647B1 (de) 1978-10-17
GB1361550A (en) 1974-07-24

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