EP1052322A3 - Actuating device for an oscillating looper of a sewing machine - Google Patents

Actuating device for an oscillating looper of a sewing machine Download PDF

Info

Publication number
EP1052322A3
EP1052322A3 EP00810086A EP00810086A EP1052322A3 EP 1052322 A3 EP1052322 A3 EP 1052322A3 EP 00810086 A EP00810086 A EP 00810086A EP 00810086 A EP00810086 A EP 00810086A EP 1052322 A3 EP1052322 A3 EP 1052322A3
Authority
EP
European Patent Office
Prior art keywords
sewing machine
actuating device
gripper
oscillating looper
looper
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
EP00810086A
Other languages
German (de)
French (fr)
Other versions
EP1052322A2 (en
EP1052322B1 (en
Inventor
Christian Anderegg
Andre Stucki
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.)
Fritz Gegauf AG
Original Assignee
Fritz Gegauf AG
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 Fritz Gegauf AG filed Critical Fritz Gegauf AG
Publication of EP1052322A2 publication Critical patent/EP1052322A2/en
Publication of EP1052322A3 publication Critical patent/EP1052322A3/en
Application granted granted Critical
Publication of EP1052322B1 publication Critical patent/EP1052322B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/30—Driving-gear for loop takers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

Zur Erhöhung der Drehgeschwindigkeit des Greifers (21) beim Erfassen der Fadenschlinge ist das Zahnritzel (17) zum Antrieb des Greifers (21) exzentrisch zur Drehachse (A) der Antriebswelle (19) für den Greifer (21) angeordnet. Eine entsprechend ausgebildete Führung hält die Zahnstange (15) jederzeit in sicherem Eingriff mit den Zähnen (27) des Zahnrads (17).

Figure 00000001
To increase the rotational speed of the gripper (21) when gripping the thread loop, the pinion (17) for driving the gripper (21) is arranged eccentrically to the axis of rotation (A) of the drive shaft (19) for the gripper (21). A correspondingly designed guide keeps the rack (15) in secure engagement with the teeth (27) of the gear (17) at all times.
Figure 00000001
EP00810086A 1999-05-07 2000-01-31 Actuating device for an oscillating looper of a sewing machine Expired - Lifetime EP1052322B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH85999 1999-05-07
CH85999 1999-05-07
CH227299 1999-12-10
CH227299 1999-12-10

Publications (3)

Publication Number Publication Date
EP1052322A2 EP1052322A2 (en) 2000-11-15
EP1052322A3 true EP1052322A3 (en) 2001-10-04
EP1052322B1 EP1052322B1 (en) 2003-05-28

Family

ID=25685917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810086A Expired - Lifetime EP1052322B1 (en) 1999-05-07 2000-01-31 Actuating device for an oscillating looper of a sewing machine

Country Status (6)

Country Link
US (1) US6182589B1 (en)
EP (1) EP1052322B1 (en)
JP (1) JP4381561B2 (en)
CN (1) CN1096518C (en)
DE (1) DE50002325D1 (en)
TW (1) TW573694U (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6269760B1 (en) * 1999-10-08 2001-08-07 Robert A. Moore Wide needle swing oscillating hook system for sewing machines
CN105624928B (en) * 2016-03-30 2019-05-21 王雪松 Portable sewing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325467A (en) * 1940-05-24 1943-07-27 Beyer Werner Kurt Rudolf Sewing machine
US3954070A (en) * 1975-05-28 1976-05-04 The Singer Company Adjustable loop taker support for sewing machines
DE2938802A1 (en) * 1979-09-25 1981-04-02 The Singer Co., 06904 Stamford, Conn. Zigzag sewing machine - has looper slide and looper shaft to allow use of variety of looper sizes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1613605A (en) * 1924-03-26 1927-01-11 Singer Mfg Co Looper mechanism for sewing machines
US3029762A (en) * 1960-09-23 1962-04-17 Singer Mfg Co Shuttle mechanism for sewing machines
US5396853A (en) * 1994-03-04 1995-03-14 Huang; Dennis Double-thread hand sewing machine transmission mechanism
US6032597A (en) * 1997-09-30 2000-03-07 Brother Kogyo Kabushiki Kaisha Shuttle hook driver for sewing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325467A (en) * 1940-05-24 1943-07-27 Beyer Werner Kurt Rudolf Sewing machine
US3954070A (en) * 1975-05-28 1976-05-04 The Singer Company Adjustable loop taker support for sewing machines
DE2938802A1 (en) * 1979-09-25 1981-04-02 The Singer Co., 06904 Stamford, Conn. Zigzag sewing machine - has looper slide and looper shaft to allow use of variety of looper sizes

Also Published As

Publication number Publication date
US6182589B1 (en) 2001-02-06
TW573694U (en) 2004-01-21
CN1273296A (en) 2000-11-15
EP1052322A2 (en) 2000-11-15
EP1052322B1 (en) 2003-05-28
JP4381561B2 (en) 2009-12-09
DE50002325D1 (en) 2003-07-03
JP2000342875A (en) 2000-12-12
CN1096518C (en) 2002-12-18

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