Matches 1 - 14 out of 14
Match Document Document Title
6968794 Presser foot control system  
A presser foot control system for a sewing station for sewing heavy gauge or thick materials includes an actuator for selectively applying and relieving an additional compression force to the...
5022334 Presser bar lifter in a button perforating sewing machine  
A stop lever fixing lever supported at a bed body of a sewing machine has one end to be contacted by a projection of a pattern wheel. A connecting member has one end connected to the other end of...
4704975 Upper and lower thread tension devices for sewing machine  
A lower thread tension device is provided in association with adjustment of an upper thread tension device in such a manner that when the tension of the upper thread tension device is strong within...
4364319 Controlled thread clamp device for needle threads  
In a double-needle lock-stitch sewing machine, an assembly for arresting threads being drawn from the needles by an uptake stroke of a thread lever, thereby ensuring predetermined lengths of thread...
3960098 Thread wiper and tension release mechanism for securing machines  
A mechanism is disclosed in which the main driving mechanism of a sewing machine is harnessed simultaneously to actuate a thread wiper and a tension release mechanism for the sewing machine....
3494314 PRESSER MECHANISM FOR SEWING MACHINES  
3420198 NEEDLE BAR AND PRESSER BAR SUBASSEMBLY  
3113539 Control mechanism for sewing machine thread tension device  
3077169 Portable free arm type sewing machine  
2962992 Control for electric sewing machines  
2902959 Thread tension mechanisms for sewing machines  
2848966 Thread tension releasing devices  
2833237 Thread tension release and presser bar lifter  
0081080 Title is not available  
Matches 1 - 14 out of 14