ATE230449T1 - SEWING MACHINE ACCESSORIES - Google Patents

SEWING MACHINE ACCESSORIES

Info

Publication number
ATE230449T1
ATE230449T1 AT98890320T AT98890320T ATE230449T1 AT E230449 T1 ATE230449 T1 AT E230449T1 AT 98890320 T AT98890320 T AT 98890320T AT 98890320 T AT98890320 T AT 98890320T AT E230449 T1 ATE230449 T1 AT E230449T1
Authority
AT
Austria
Prior art keywords
light
fabric
sewing machine
sensors
receivers
Prior art date
Application number
AT98890320T
Other languages
German (de)
Inventor
Johannes Sahl
Original Assignee
Johannes Sahl
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 Johannes Sahl filed Critical Johannes Sahl
Application granted granted Critical
Publication of ATE230449T1 publication Critical patent/ATE230449T1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/22—Devices for stopping drive when sewing tools have reached a predetermined position
    • D05B69/24—Applications of devices for indicating or ascertaining sewing-tool position

Abstract

The sewing machine attachment registers the end of a tubular fabric workpiece has a position monitor with light sensors linked to a control with light transmitters and receivers flanking fabric movement path. The sewing machine attachment registers the end of a tubular fabric workpiece (4) in the direction of travel. The light sensors are across the direction of fabric (W) movement, with light transmitters (84-86) and receivers (94-96) above and below the fabric movement path (7). The light sensors (6) register the intensity of the light passing through the fabric (W), to be assessed by the control. The control uses the data from the outermost light sensor (61) at the fabric side as reference data, for comparison with the light data from the other sensors. The change in the light value derived from the comparison at another sensor (6) indicates the end (F) of the fabric (W), and the sewing machine drive is controlled accordingly. The position monitor (3) has a number of light sensors (6) and preferably six. Their light transmitters (84-86) and receivers (94-96) are each assembled into installation units. The light transmission section forms a common light emitting beam.
AT98890320T 1998-10-30 1998-10-30 SEWING MACHINE ACCESSORIES ATE230449T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98890320A EP0997567B1 (en) 1998-10-30 1998-10-30 Accessory for a sewing machine

Publications (1)

Publication Number Publication Date
ATE230449T1 true ATE230449T1 (en) 2003-01-15

Family

ID=8237207

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98890320T ATE230449T1 (en) 1998-10-30 1998-10-30 SEWING MACHINE ACCESSORIES

Country Status (3)

Country Link
EP (1) EP0997567B1 (en)
AT (1) ATE230449T1 (en)
DE (1) DE59806827D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323158B3 (en) * 2003-05-22 2004-07-08 Dürkopp Adler AG Sewing machine with sensor determining material thickness, has ultrasonic transmitter and receiver mounted ahead of stitching station
CN103485081B (en) * 2013-09-30 2015-03-25 杰克缝纫机股份有限公司 Industrial sewing machine control system and method based on visible light detection
CN104988672A (en) * 2015-08-07 2015-10-21 雷建发 Sewing machine backstitching rod control structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125125C2 (en) * 1981-06-26 1985-05-09 Union Special Gmbh, 7000 Stuttgart Tensioning device for sewing machines
DE3323214C1 (en) * 1983-06-28 1984-10-11 Dürkoppwerke GmbH, 4800 Bielefeld Optoelectronic scanning device on a sewing machine
EP0216644B1 (en) * 1985-08-02 1989-09-27 Bertin & Cie Guiding device for sewing three-dimensional soft work pieces upon sewing machines
DE3528295A1 (en) * 1985-08-07 1987-02-19 Pfaff Ind Masch SEWING MACHINE WITH A SENSOR
DE3743281A1 (en) * 1987-12-19 1989-07-06 Union Special Gmbh SEWING MACHINE TO SEE A TAPE
DE4024635A1 (en) * 1989-08-16 1991-02-21 Quick Rotan Elektromotoren Sewing machine light box - has sliding diaphragm for adjustment according to material thickness for accurate edge detection
JPH0523468A (en) * 1991-07-25 1993-02-02 Pegasus Sewing Mach Mfg Co Ltd Method and device for sewing on tape in sewing machine

Also Published As

Publication number Publication date
DE59806827D1 (en) 2003-02-06
EP0997567B1 (en) 2003-01-02
EP0997567A1 (en) 2000-05-03

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Legal Events

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