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Class Information
Number: 112/231
Name: Sewing > Elements > Revolving hooks > Bobbin holders and casings
Description: Casings are provided for bobbins with means to hold the casings in position.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7171914 |
Horizontal rotary hook for sewing machine |
Feb. 6, 2007 |
| 7080603 |
Sewing or embroidery machine |
Jul. 25, 2006 |
| 7036443 |
Needle guard |
May. 2, 2006 |
| 7036444 |
Locking device for a bobbin |
May. 2, 2006 |
| 6923130 |
Sewing machine |
Aug. 2, 2005 |
| 6776111 |
Bobbin case of rotary shuttle device for sewing machine |
Aug. 17, 2004 |
| 6745712 |
Fully rotatable shuttle |
Jun. 8, 2004 |
| 6725793 |
Bobbin for sewing machine |
Apr. 27, 2004 |
| 6112684 |
Magnetic revolving shuttle for double-stitch sewing machines |
Sep. 5, 2000 |
| 6082278 |
Bobbin case and bobbin of sewing machine |
Jul. 4, 2000 |
| 6076477 |
Hook system for sewing machine |
Jun. 20, 2000 |
| 6055919 |
Spool capsule for a sewing machine |
May. 2, 2000 |
| 5960728 |
Rotary hook for sewing machines |
Oct. 5, 1999 |
| 5921192 |
Bobbin assembly with structure for severing improperly routed thread |
Jul. 13, 1999 |
| 5762013 |
Bobbin casing assembly and sewing machine having same |
Jun. 9, 1998 |
| 5651323 |
Hook assembly with coated surfaces for sewing machine |
Jul. 29, 1997 |
| 5598799 |
Bobbin basket with thread grooving protection means |
Feb. 4, 1997 |
| 5433159 |
Horizontal rotating hook for sewing machine |
Jul. 18, 1995 |
| 5413058 |
Inner bobbin case holder of a fully rotating hook |
May. 9, 1995 |
| 5375544 |
Undercut and strengthened posts for polymeric bobbin basket |
Dec. 27, 1994 |
| 5351636 |
Fully rotating hook for a lockstitch sewing machine |
Oct. 4, 1994 |
| 5189973 |
Looper which rotates in a horizontal plane for a double lock-stitch sewing machine |
Mar. 2, 1993 |
| 5189972 |
Horizontal axis full rotary hook with a bobbin case holder having a needle guiding means |
Mar. 2, 1993 |
| 5189971 |
Electronic sewing machine |
Mar. 2, 1993 |
| 5188046 |
Plastic bobbin basket with damage resistant members |
Feb. 23, 1993 |
| 5152236 |
Bobbin holding structure |
Oct. 6, 1992 |
| 5109783 |
Full rotary hook with an increased amount of bobbin thread wound around the bobbin |
May. 5, 1992 |
| RE33879 |
Rotary hook assembly |
Apr. 14, 1992 |
| 5076182 |
Rotary hook |
Dec. 31, 1991 |
| 5048436 |
Rotary looper for a lockstitch sewing machine |
Sep. 17, 1991 |
| 4998490 |
Bobbin housing assembly in a sewing machine having at least one hook |
Mar. 12, 1991 |
| 4970975 |
Rotary looptaker |
Nov. 20, 1990 |
| 4884520 |
Loop taker and sewing machine |
Dec. 5, 1989 |
| 4858543 |
Plastic bobbin basket with needle guard plate |
Aug. 22, 1989 |
| 4805544 |
Sewing machine with thread monitor for the bobbin thread |
Feb. 21, 1989 |
| RE32809 |
Fully rotating hook for a lock stitch sewing machine |
Dec. 27, 1988 |
| 4732098 |
Thread monitor for the bottom thread in the bobbin of a sewing machine |
Mar. 22, 1988 |
| 4715303 |
Lubricating device for sewing and embroidering machines |
Dec. 29, 1987 |
| 4700643 |
Rotary hook |
Oct. 20, 1987 |
| 4693198 |
Adjusting device of slack amount of lower thread in zigzag sewing machine |
Sep. 15, 1987 |
| 4691650 |
Lockswitch sewing machine having a rotary hook |
Sep. 8, 1987 |
| 4679513 |
Thread-tensioning device for a bobbin housing |
Jul. 14, 1987 |
| 4676178 |
Rotary looptaker and bobbin case with magnetic repulsive force therebetween |
Jun. 30, 1987 |
| 4669401 |
Lockstitch sewing machine with a rotary hook |
Jun. 2, 1987 |
| 4665850 |
Rotary hook assembly |
May. 19, 1987 |
| 4646665 |
Cover for a loop catch mechanism of a sewing machine |
Mar. 3, 1987 |
| 4577572 |
Fully rotating hook for a lock stitch sewing machine |
Mar. 25, 1986 |
| 4572091 |
Freely revolving looper for double lockstitch sewing machines |
Feb. 25, 1986 |
| 4542706 |
Lower thread tension adjusting device of sewing machine |
Sep. 24, 1985 |
| 4537142 |
Shuttle stopper for lock stitch sewing machine |
Aug. 27, 1985 |
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