Thread trimming mechanism of sewing machine upper thread

• Main Authors: LI HUI, SUN LINGJUN, LU KONGGUI, LOU QIAOJUN, YANG PEI, YI XIANGRUI
• Format: Patent
• Language: Chinese; English
• Published: 13.06.2017
• Subjects: EMBROIDERING; SEWING; TEXTILES; TUFTING

The utility model provides a thread trimming mechanism of sewing machine upper thread belongs to sewing machine technical field. The structure that it had solved current thread trimming mechanism of sewing machine upper thread is not compact when technical problem. This sewing machine includes faller and driving source, it has the pinhole to open on the faller, thread trimming mechanism includes that the stationary knife moves the sword under with, last blade upward has on the stationary knife, be fixed with the blade holder on the lower face of faller, it has guide through groove to open on the blade holder, go up the stationary knife and move the sword down and all set up in guide through groove and go up the stationary knife and move the sword under with and parallel the setting from top to bottom, under move the sword and be rectangular shape, the driving source can be used down to move to make on the sword and move sword along the guide through groove slip of making a round trip down, under move and be e