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Class Information
Number: 112/288
Name: Sewing > Elements > Thread cutting, severing or breaking > Thread chain
Description: Devices for parting the chain of thread which links adjacent articles or an article and the needle of the sewing machine.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6637357 Overlock sewing machine Oct. 28, 2003
6286445 Unitary double-acting piston thread cutter assembly Sep. 11, 2001
6123041 Automated sewing system and method for sewing a knit glove cuff edge Sep. 26, 2000
6009819 Auxiliary device for sewing up the starting end of a thread chain in a chain stitch sewing machine Jan. 4, 2000
5884573 Apparatus for sewing a thread chain into a seam by an overlock sewing machine Mar. 23, 1999
5803002 Method and apparatus for latchtacking Sep. 8, 1998
5613454 Vacuum latchtack throat plate with a vacuum generating apparatus Mar. 25, 1997
5609117 Thread cutter for sewing machine Mar. 11, 1997
5582121 Apparatus for sewing a thread chain in a chain stitch sewing machine Dec. 10, 1996
5513588 Overlock sewing machine and thread chain back-tacker therefor May. 7, 1996
5505147 Latch taking knife and thread clamp Apr. 9, 1996
5311831 Device for reversal of an end-of-stitching chain in a two-needle overedging trimming machine May. 17, 1994
5269238 Quilting machine loopers with linkage/piston driven thread cutters Dec. 14, 1993
5203270 Sewing machine with latch back device Apr. 20, 1993
5176084 Knife assembly for automatic sewing machines Jan. 5, 1993
5159889 Sewing machine with automatic latch back device and method of sewing a portion of a thread chain Nov. 3, 1992
5134947 Method and apparatus for forming and everting a work product Aug. 4, 1992
5134948 Overlocking sewing machine and method for performing overlock sewing in overlocking sewing machine Aug. 4, 1992
5125351 Thread trimmer system for in-line chain stitch cylinder bed sewing machine Jun. 30, 1992
5123365 Taped chaining thread sewing device Jun. 23, 1992
5119747 Chaining thread sew in device Jun. 9, 1992
5090343 Chaining thread sew-in device Feb. 25, 1992
5052318 Adjustable stitch chain cutting assembly inlet Oct. 1, 1991
5027733 Sewing machine with automatic separation of pieces of sewing material Jul. 2, 1991
4984526 Thread chain guiding device for overedge sewing machines Jan. 15, 1991
4967677 Composite sewing machine with single needle for lock and overlock stitches Nov. 6, 1990
RE33382 Self-oiling portable bag-closing sewing machine with pump Oct. 16, 1990
4938157 Computerized numerical control automatic sewing device Jul. 3, 1990
4934293 Chaining thread sew-in device Jun. 19, 1990
4903623 Hemmer seamer assembly Feb. 27, 1990
4883010 Thread chain cutting device Nov. 28, 1989
4858546 Hemmer seamer assembly Aug. 22, 1989
4834009 Sleeve backtack May. 30, 1989
4834010 Reciprocating thread cutter for multi-needle looper thread type sewing machine May. 30, 1989
4829920 Method and apparatus for positioning and holding a thread chain May. 16, 1989
4800830 Hemmer seamer assembly Jan. 31, 1989
4774900 Apparatus for backtacking thread chain for use with a two-needle overedge sewing machine Oct. 4, 1988
4763590 Residual thread chain back tacking device for overlock stitch machines Aug. 16, 1988
4738210 Backlatch attachment with a rotatable thread catcher Apr. 19, 1988
4735160 Cutting device for a sewing machine Apr. 5, 1988
4685408 Cloth stitching apparatus and method Aug. 11, 1987
4679515 Process and apparatus for stitching excess thread chain on a sewing machine Jul. 14, 1987
4674425 Thread-chain separating head for a double chainstitch sewing machine Jun. 23, 1987
4649840 Automatic removal and stacking of sewn garments Mar. 17, 1987
4644884 Thread chain sewing apparatus for use in overedge sewing machine Feb. 24, 1987
4607583 Cutting device in a sewing machine for cutting at least one thread chain or a sewn-on tape Aug. 26, 1986
4523535 Stitch chain cutter for sewing machines Jun. 18, 1985
4453481 Method and apparatus for cutting and tacking stitches Jun. 12, 1984
4441442 Self-oiling portable bag-closing sewing machine with pump Apr. 10, 1984
4421045 Automated thread trimming apparatus for use for sewing machines Dec. 20, 1983

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