ATE258244T1 - METHOD FOR STITCH FORMATION ON AN EMBROIDERY MACHINE AND EMBROIDERY MACHINE FOR PERFORMING THE METHOD - Google Patents

METHOD FOR STITCH FORMATION ON AN EMBROIDERY MACHINE AND EMBROIDERY MACHINE FOR PERFORMING THE METHOD

Info

Publication number
ATE258244T1
ATE258244T1 AT01811102T AT01811102T ATE258244T1 AT E258244 T1 ATE258244 T1 AT E258244T1 AT 01811102 T AT01811102 T AT 01811102T AT 01811102 T AT01811102 T AT 01811102T AT E258244 T1 ATE258244 T1 AT E258244T1
Authority
AT
Austria
Prior art keywords
roller
stitch
clutch
thread
embroidery machine
Prior art date
Application number
AT01811102T
Other languages
German (de)
Inventor
Franz Laesser
Original Assignee
Laesser Franz 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 Laesser Franz Ag filed Critical Laesser Franz Ag
Application granted granted Critical
Publication of ATE258244T1 publication Critical patent/ATE258244T1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/08—Thread-tensioning arrangements

Landscapes

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

Abstract

In a process to form a stitch, a sewing machine has a supply of thread (11) withdrawn over a roller (13) aided by a roller power drive. The torque applied to the roller is regulated especially in accordance with the stitching program data for each individual type of stitch. Also claimed is a sewing machine with a clutch (31) drive to the roller (13). The roller clutch is engaged by thread movement of the roller. The roller is powered by the needle plunger drive shaft (41), moving the swivel lever (43) and rod (42) synchronised with the needle action. When thread is static the clutch ensures that torque can only be applied in one direction via the gear (39,40) to the roller (13). Because the same time lapse for each cycle is always the same irrespective of the stitch length, the roller turns at higher speeds for longer stitches than shorter. The clutch is regulated in accordance with the type of stitch required and maintains the thread tension irrespective of the stitch length.
AT01811102T 2000-11-21 2001-11-16 METHOD FOR STITCH FORMATION ON AN EMBROIDERY MACHINE AND EMBROIDERY MACHINE FOR PERFORMING THE METHOD ATE258244T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH22632000 2000-11-21

Publications (1)

Publication Number Publication Date
ATE258244T1 true ATE258244T1 (en) 2004-02-15

Family

ID=4568278

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01811102T ATE258244T1 (en) 2000-11-21 2001-11-16 METHOD FOR STITCH FORMATION ON AN EMBROIDERY MACHINE AND EMBROIDERY MACHINE FOR PERFORMING THE METHOD

Country Status (4)

Country Link
EP (1) EP1209273B1 (en)
AT (1) ATE258244T1 (en)
DE (1) DE50101351D1 (en)
TR (1) TR200400548T4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295977B1 (en) * 2001-09-19 2008-01-02 Franz Lässer AG Embroidery machine, particularly of the Schiffli type

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177317A (en) * 1921-01-26 1922-03-30 Lionel Stephen Disney A new or improved thread control and thread feeding mechanism for embroidery and like machines
CH115089A (en) * 1925-04-22 1926-06-01 Alfred Hertenstein Device on shuttle embroidery machines to reduce the thread tension required to switch the thread roller.
AT370144B (en) * 1979-02-20 1983-03-10 August Heinzle DEVICE FOR FEEDING AND TOWING THE THREAD ON TEXTILE MACHINES
DE4403365A1 (en) * 1994-02-04 1995-08-10 Saurer Sticksysteme Ag Method and device for embroidery on a shuttle embroidery machine
EP0795638B1 (en) * 1996-03-15 1999-07-21 Franz Lässer AG Method and apparatus for forming the stitch in a Schiffli embroidery machine
JPH11107156A (en) * 1997-10-03 1999-04-20 Hiraoka Kogyo Kk Embroidery lace machine

Also Published As

Publication number Publication date
TR200400548T4 (en) 2004-06-21
DE50101351D1 (en) 2004-02-26
EP1209273A3 (en) 2003-01-02
EP1209273B1 (en) 2004-01-21
EP1209273A2 (en) 2002-05-29

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee