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Class Information
Number: 112/300
Name: Sewing > Elements > Thread cutting, severing or breaking > Electrically actuated
Description: Devices wherein the thread parting means is actuated by electricity or by an electrically actuated mechanism.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7827923 Sewing machine having automatic thread cutting device Nov. 9, 2010
7603957 Thread cutting device of sewing machine Oct. 20, 2009
7380511 Automatic thread cutting device for sewing machine provided with horizontal loop taker Jun. 3, 2008
7093549 Wiper device for sewing machine Aug. 22, 2006
6814018 Automatic thread cutting apparatus for sewing machines Nov. 9, 2004
6422165 Apparatus for preventing raveling of seam Jul. 23, 2002
6164224 Buttonhole darning sewing machine Dec. 26, 2000
6123037 Multi-head embroidery machine with thread cutting function Sep. 26, 2000
6021727 Upper thread-hooking device for an industrial sewing machine Feb. 8, 2000
5967070 Process for shortening a fabric-side hook thread end in sewing machines with thread cutting device Oct. 19, 1999
5967069 Sewing machine cutting system having microprocessor controlled cutting blade Oct. 19, 1999
5947043 Sewing machine having multiple needles Sep. 7, 1999
5927221 Method and apparatus for join and sew application Jul. 27, 1999
5865134 Sewing data converting device for sewing machine Feb. 2, 1999
5803001 Sewing machine having thread cutting device Sep. 8, 1998
5784990 Sewing machine having spindle drive motor and rotary hook drive motor Jul. 28, 1998
5784989 Sewing machine having thread cutting mechanism Jul. 28, 1998
5771828 Sewing or embroidering machine with a thread-cutting device Jun. 30, 1998
5694874 Under thread supply apparatus and method of supplying under thread Dec. 9, 1997
5653186 Apparatus and method for controlling sewing machine Aug. 5, 1997
5623887 Thread cutting device in sewing machine Apr. 29, 1997
5606927 Under thread supply apparatus and method of supplying under thread Mar. 4, 1997
5603272 Two-needle type sewing machine Feb. 18, 1997
5571240 Apparatus and method for controlling sewing machine Nov. 5, 1996
5562059 Apparatus and method for controlling sewing machine Oct. 8, 1996
5520129 Method and apparatus for join and sew application May. 28, 1996
5477795 Thread trimming device for a lockstitch bar tacking sewing machine Dec. 26, 1995
5454334 Control apparatus for embroidery sewing machine Oct. 3, 1995
5433160 Sewing machine Jul. 18, 1995
5404824 Needle thread feed control apparatus for sewing machine Apr. 11, 1995
5367969 Upper thread holding device of sewing machine Nov. 29, 1994
5331909 Presser foot and needle drive device in an embroidery machine Jul. 26, 1994
5289791 Sewing machine with thread wiper and auxiliary cutter Mar. 1, 1994
5156106 Sewing machine with automatic thread cutter Oct. 20, 1992
5146862 Sewing machine-driving apparatus Sep. 15, 1992
5144900 Control device for sewing machine Sep. 8, 1992
5144902 Thread trimmer for a pattern sewing machine Sep. 8, 1992
5133272 Sewing machine having needle bar disconnecting mechanism and thread cutting mechanism Jul. 28, 1992
5105750 Pattern sewing machine provided with a control unit for thread delivery Apr. 21, 1992
5085160 Thread cutting device for use in a sewing machine Feb. 4, 1992
5080031 Needle thread holding device in sewing machine Jan. 14, 1992
5069149 Motor driving device for sewing machine Dec. 3, 1991
5042408 Sewing machine having thread cutting mechanism and method for minimizing length of leading end portion of needle thread Aug. 27, 1991
5009177 Thread cutting unit having a rotatably driveable cutting knife and loop spreading plate for a sewing machine Apr. 23, 1991
4955306 Sewing machine Sep. 11, 1990
4683828 Ornamental thread automatic cutting device of flat plural-needles sewing machine Aug. 4, 1987
4658742 Electronic controlling equipment for driving systems with electromagnetic couplings for industrial sewing and/or overcasting machines Apr. 21, 1987
4589362 Thread cutting device in lockstitch sewing machines May. 20, 1986
4589360 Sewing control system for a sewing machine May. 20, 1986
4586449 Thread cutting devices for double lockstitch sewing machines May. 6, 1986

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