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Class Information
Number: 112/295
Name: Sewing > Elements > Thread cutting, severing or breaking > Upper thread > Single blade cutter
Description: Devices wherein the cutter comprises a single blade or sharpened surface.










Patents under this class:

Patent Number Title Of Patent Date Issued
7021226 Sewing machine having a lower thread cutter Apr. 4, 2006
5755170 Thread cutting device in a sewing machine May. 26, 1998
5676077 Multi-needle chain stitch sewing machine with thread severing system Oct. 14, 1997
5522331 Thread cut-off mechanism for a sewing machine Jun. 4, 1996
5477793 Cutting and nipping apparatus for the front yarn for embroidery machines Dec. 26, 1995
5367969 Upper thread holding device of sewing machine Nov. 29, 1994
5269238 Quilting machine loopers with linkage/piston driven thread cutters Dec. 14, 1993
5131340 Selective thread cutting device in a sewing machine Jul. 21, 1992
5127350 Method and apparatus for cutting cover thread in a multi-needle sewing machine Jul. 7, 1992
5009177 Thread cutting unit having a rotatably driveable cutting knife and loop spreading plate for a sewing machine Apr. 23, 1991
5005504 Thread cutting device having a translatably slidable knife and catcher, being driven for forming uniformly short stitch thread ends in a zig zag sewing machine Apr. 9, 1991
4913073 Cloth presser in a sewing machine stitching in zigzag and provided with thread end holder Apr. 3, 1990
4834010 Reciprocating thread cutter for multi-needle looper thread type sewing machine May. 30, 1989
4606289 Sewing thread cutting device Aug. 19, 1986
4461229 Device for pulling out and cutting off threads in a sewing machine Jul. 24, 1984
4365568 Underbed thread trimmer and controlled single-operation cam mechanism therefor Dec. 28, 1982
4352333 Sewing machine having thread cutting device Oct. 5, 1982
4108098 Thread cutter Aug. 22, 1978











 
 
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