FR2416968A1 - DEVICE FOR LOOPER SEWING MACHINE AND LOOPER CONTROL MECHANISM - Google Patents

DEVICE FOR LOOPER SEWING MACHINE AND LOOPER CONTROL MECHANISM

Info

Publication number
FR2416968A1
FR2416968A1 FR7903366A FR7903366A FR2416968A1 FR 2416968 A1 FR2416968 A1 FR 2416968A1 FR 7903366 A FR7903366 A FR 7903366A FR 7903366 A FR7903366 A FR 7903366A FR 2416968 A1 FR2416968 A1 FR 2416968A1
Authority
FR
France
Prior art keywords
looper
movement
sewing machine
control mechanism
crankpin
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
FR7903366A
Other languages
French (fr)
Other versions
FR2416968B1 (en
Inventor
Yoichiro Ishikawa
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 Corp
Original Assignee
Union Special 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 Union Special Corp filed Critical Union Special Corp
Publication of FR2416968A1 publication Critical patent/FR2416968A1/en
Application granted granted Critical
Publication of FR2416968B1 publication Critical patent/FR2416968B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Abstract

Machines à coudre. Le dispositif comprend des moyens de commande pour transmettre un mouvement audit boucleur et qui comprennent un maneton de manivelle oblique; des moyens de transfert de mouvement en vue de supporter de façon pivotante et coulissante ledit boucleur sur un axe fixe, et par rapport audit châssis; des moyens pour relier les moyens de transfert de mouvement et ledit maneton de manière que, lorsque le maneton effectue un mouvement, le boucleur soit déplacé selon un parcours de forme générale elliptique; et des moyens coopérant avec les moyens de commande pour décaler sélectivement la position desdits moyens de liaison relativement à l'axe longitudinal des moyens d'entraînement, changeant de ce fait le parcours elliptique transmis au boucleur. Machines à coudre à boucleur et mécanisme de commande du boucleur.Sewing machine. The device comprises control means for transmitting movement to said looper and which comprise an oblique crank pin; movement transfer means for pivotally and slidably supporting said looper on a fixed axis, and relative to said frame; means for connecting the movement transfer means and said crankpin so that, when the crankpin performs a movement, the looper is moved along a path of generally elliptical shape; and means cooperating with the control means for selectively shifting the position of said connecting means relative to the longitudinal axis of the drive means, thereby changing the elliptical path transmitted to the looper. Sewing machines with looper and looper control mechanism.

FR7903366A 1978-02-13 1979-02-09 DEVICE FOR LOOPER SEWING MACHINE AND LOOPER CONTROL MECHANISM Expired FR2416968B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87706578A 1978-02-13 1978-02-13

Publications (2)

Publication Number Publication Date
FR2416968A1 true FR2416968A1 (en) 1979-09-07
FR2416968B1 FR2416968B1 (en) 1986-05-09

Family

ID=25369175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903366A Expired FR2416968B1 (en) 1978-02-13 1979-02-09 DEVICE FOR LOOPER SEWING MACHINE AND LOOPER CONTROL MECHANISM

Country Status (6)

Country Link
JP (1) JPS54117265A (en)
CA (1) CA1099993A (en)
DE (1) DE2901582C2 (en)
FR (1) FR2416968B1 (en)
GB (1) GB2014623B (en)
IT (1) IT1118340B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314149Y2 (en) * 1985-10-16 1991-03-29
DE102019219814A1 (en) 2019-12-17 2021-06-17 Pfaff Industriesysteme Und Maschinen Gmbh Stitch forming tool assembly for a sewing system and sewing system with such an assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE126710C (en) *
US1569912A (en) * 1922-03-14 1926-01-19 Singer Mfg Co Sewing-machine looper mechanism
US2160355A (en) * 1938-09-29 1939-05-30 Singer Mfg Co Looper mechanism for sewing machines
US2998787A (en) * 1959-06-22 1961-09-05 Duerkoppwerke Loop taker mechanism for chainstitch sewing machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1079435B (en) * 1958-07-02 1960-04-07 Duerkoppwerke Ag Gripper drive for chain stitch sewing machines
DE1949523U (en) * 1963-03-14 1966-11-10 Kochs Adler Naehmaschinenwerke LOOK DRIVE FOR A CHAIN SEWING MACHINE.
JPS4910760B1 (en) * 1969-07-24 1974-03-12

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE126710C (en) *
US1569912A (en) * 1922-03-14 1926-01-19 Singer Mfg Co Sewing-machine looper mechanism
US2160355A (en) * 1938-09-29 1939-05-30 Singer Mfg Co Looper mechanism for sewing machines
US2998787A (en) * 1959-06-22 1961-09-05 Duerkoppwerke Loop taker mechanism for chainstitch sewing machines

Also Published As

Publication number Publication date
CA1099993A (en) 1981-04-28
FR2416968B1 (en) 1986-05-09
GB2014623A (en) 1979-08-30
IT7967301A0 (en) 1979-02-12
DE2901582A1 (en) 1979-08-16
JPS54117265A (en) 1979-09-12
IT1118340B (en) 1986-02-24
GB2014623B (en) 1982-07-21
DE2901582C2 (en) 1983-01-05

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Legal Events

Date Code Title Description
ST Notification of lapse