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Class Information
Number: 112/255
Name: Sewing > Elements > Tensioning > Intermittent
Description: Variable during stitch formation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7124697 |
Apparatus for monitoring and controlling thread tensioning force in a sewing machine |
Oct. 24, 2006 |
| 6101961 |
Thread feeding apparatus for sewing machine |
Aug. 15, 2000 |
| 5983818 |
Sewing machine with thread tensioning and take up levers |
Nov. 16, 1999 |
| 5934211 |
Thread feeding apparatus for sewing machine |
Aug. 10, 1999 |
| 5860376 |
Thread tension device for sewing machine |
Jan. 19, 1999 |
| 5799599 |
Chain-stitch sewing machine with yarn feed adjusting |
Sep. 1, 1998 |
| 5752642 |
Thread clamping apparatus |
May. 19, 1998 |
| 5711238 |
Overlock sewing machine |
Jan. 27, 1998 |
| 5680827 |
Sewing machine having lower-thread tension changing device |
Oct. 28, 1997 |
| 5471941 |
Incrementally rotatable thread feeding device for sewing machines |
Dec. 5, 1995 |
| 5381745 |
Method of sewing a seam and a sewing unit therefor |
Jan. 17, 1995 |
| 5363786 |
Thread tensioning device having an electromagnet for applying a variable force opposing rotation of a tensioning element |
Nov. 15, 1994 |
| 5345887 |
Thread manipulations at the beginning and end of a seam |
Sep. 13, 1994 |
| 5315945 |
Apparatus and method for thread supplying in a chain stitch sewing machine |
May. 31, 1994 |
| 5307750 |
Method and apparatus for chaining in sewing machine |
May. 3, 1994 |
| 5249538 |
Sewing apparatus equipped with an automatic thread supply device |
Oct. 5, 1993 |
| 5179980 |
Weft yarn brake with logic circuit control |
Jan. 19, 1993 |
| 5138961 |
Thread supply device used in a sewing apparatus with a plurality of needles |
Aug. 18, 1992 |
| 5056446 |
Automatic thread supply device |
Oct. 15, 1991 |
| 5048438 |
Sewing machine bobbin thread tension control device |
Sep. 17, 1991 |
| 5042407 |
Device having adjacent plates with thread gripping surfaces for controlling thread tension therebetween |
Aug. 27, 1991 |
| 5022335 |
Upper thread supplying device in sewing machine |
Jun. 11, 1991 |
| 5003900 |
Thread securing device in a sewing machine |
Apr. 2, 1991 |
| 5001997 |
Sewing mechanism for quilting machine |
Mar. 26, 1991 |
| 5002098 |
Device for braking a weft thread in a weaving machine |
Mar. 26, 1991 |
| 4998491 |
Method of automatically controlling upper thread tension in a sewing machine |
Mar. 12, 1991 |
| 4967679 |
Automatic thread tension control sewing machine |
Nov. 6, 1990 |
| 4960062 |
Sewing machine automatic thread tension device with thread elongation detector |
Oct. 2, 1990 |
| 4938158 |
Lower thread supplying mechanism for a sewing machine |
Jul. 3, 1990 |
| 4920903 |
Device for adjusting a lower thread in a sewing machine |
May. 1, 1990 |
| 4886005 |
Thread undercut attachment for a multi-needle sewing machine |
Dec. 12, 1989 |
| 4886004 |
Needle thread tension control including separate stopping and adjustable pre-tension devices |
Dec. 12, 1989 |
| 4873931 |
Programmed thread regulating apparatus for a sewing machine |
Oct. 17, 1989 |
| 4869186 |
Needle thread tension control system with differential clamping |
Sep. 26, 1989 |
| 4867083 |
Modular sewing machine arranged to control auxiliary devices |
Sep. 19, 1989 |
| 4825786 |
Sewing method and apparatus |
May. 2, 1989 |
| 4825785 |
Latch tacker |
May. 2, 1989 |
| 4815404 |
Servo device for a multineedle sewing machine with engageable and disengageable needle bars |
Mar. 28, 1989 |
| 4791876 |
Automatic needle thread supply control system |
Dec. 20, 1988 |
| 4700644 |
Sewing machine having an automatic lower thread tension device |
Oct. 20, 1987 |
| 4693198 |
Adjusting device of slack amount of lower thread in zigzag sewing machine |
Sep. 15, 1987 |
| 4662294 |
Device at a sewing machine for applying a tensile stress in a material to be fed in a sewing process |
May. 5, 1987 |
| 4658752 |
Method and apparatus for drawing a needle thread through a workpiece |
Apr. 21, 1987 |
| 4632048 |
Method of controlling upper thread in sewing machine |
Dec. 30, 1986 |
| 4520743 |
Needle thread tensioning device for a sewing machine |
Jun. 4, 1985 |
| 4461229 |
Device for pulling out and cutting off threads in a sewing machine |
Jul. 24, 1984 |
| 4458613 |
Sewing machine with bobbin thread tension adjusting device |
Jul. 10, 1984 |
| 4452156 |
Variable thread tensioner for embroidery machines |
Jun. 5, 1984 |
| 4426947 |
Sewing machines |
Jan. 24, 1984 |
| 4356781 |
Thread handling arrangement for sewing machines |
Nov. 2, 1982 |
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