PROBLEM TO BE SOLVED: To thread a needle in a short period of time by providing a magnetic material in a bobbin case so that, when a bobbin is put into the bobbin case, magnetic force are uniformly applied to one of the flanges of the bobbin about the center axis of the bobbin....
A sewing machine which may employ a loop-making hook rotating about a vertical axis employs a one-way bobbin and bobbin case. A bobbin can have a larger flange and a smaller flange so as to fit in a suitably configured bobbin case in only one way. The bobbin may have a blind axial ...
Some reported bobbin issues A bit noisy 5. SINGER Heavy Duty 4411 Sewing Machine (Strongest Sewing Machine) Shop now at Amazon If you are looking for a heavy-duty sewing machine at a lovely, low price, this Singer is for you. It is incredibly cheap for the strength it offers. You won...
“Portable with adequate functions – a perfect option for new-entry sewers to just “sew and go”” Best Largest Working Area: Bernina 830 Embroidery & Sewing Machine“Tackle big projects by providing you 50% larger working space and a great size bobbin, high-quality graphics of stitch ...
Sewing Machine Bobbin For JUKI 1850 B1827-280-000 Bobbin Product sellpoints Compatibility: JUKI 1850,Designed specifically for JUKI 1850 sewing machines, ensuring a perfect fit and optimal performance. Mechanical Configuration: Flat-Bed,Engineered for flat-bed sewing, this bobbin ensures stability and...
This sewing thread tension control device is fixed to one end portion of the sewing machine body and having a wire binding clip spool, the spool is ... 山崎彻 被引量: 3发表: 2003年 Sewing machine bobbin thread supply device PROBLEM TO BE SOLVED: To facilitate adjustment of tension of a...
Bobbin winder for sewing machines This invention relates to a sewing machine and more particularly to a bobbin-winding device therefor. In sewing machines it is generally recognized that, in addition to the sewing mechanism proper, means must be provided for winding the ... NE Colegrove 被引量...
e. sewing machine speed, drawing tension of bobbin thread and stitch length, of the lock-stitch sewing machine for industrial use on the needle thread tension have been investigated under the ... M Onoue - 《Fiber》 被引量: 5发表: 1984年 A Study on the sewing yarn sensing detector ...
THREAD CUTTER FOR SEWING MACHINE The thread cutter for a sewing machine has a knife (24) which moves through a space between a stitch plate (12) and a shuttle (14) located under the stitch plate (12). A bobbin thread withdrawal lever (50) can be moved out of a waiting p... KARITA...
Henry developed a solution. She designed a bobbinless sewing machine that eliminated the need for constant pauses and strengthened seams via double-chain stitches, making the machine far more suitable for use in mass production. In herpatent from the United States Patent and Trademark Office, she...