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The upper thread runs from a spool kept on a spindle on top of or next to the machine, through a tension mechanism, through the take-up arm, and finally through the hole in the needle. Meanwhile, the lower thread is wound onto a bobbin, which is inserted into a case in the lower section of the machine below the material.
Tension of the bobbin thread is maintained with a bobbin case, a metal enclosure with a leaf spring which keeps the thread taut. The bobbin case has to be free-floating (not attached to an axle) in order to allow the top thread to pass around the bobbin completely and hook the bobbin thread. Bobbins vary in shape and size, depending on the ...
The first thread is entwined with the second thread to form a lock stitch. The front side thread, or embroidery yarn, is held on a spool, or rather a creel of spools. A boat-shaped (German: schiffli) shuttle carries the bobbin thread, which is also known as the schiffli yarn. There is one shuttle per needle. [3]
The threads run towards the centre, where the finished lace appears, rising upwards. The machine can only make one width at a time, and has a maximum width of about 120 threads. The lace is made as a cylinder. When finished, threads are removed to allow the flat strip to appear. [2]
1851 by Allen B. Wilson [8] Figures from Wilson's patent 9041, showing rotary hook and bobbin: Rotary hook machines hold their bobbin stationary, and continuously rotate the thread hook around it. The design was popularized in the White Sewing Machine Company's 'Family Rotary' sewing machine [9] and Singer's models 95 and 115. [10]
The bobbin winder is mounted high on the pedestal, where a small rubber tire occupying its pulley makes contact with the motor belt. The new mounting position solves the bobbin winder belt problem discussed later. Dedicated motor mounting lugs, cast into the rear of the pillar, standardize the position of the motor bracket.
An assortment of different colors of thread Red thread bobbin Multi-colored stranded embroidery floss. A thread is a long strand of material, often composed of several filaments or fibres, used for joining, creating or decorating textiles. Ancient Egyptians were known for creating thread using plant fibers, wool and hair. [1]
A pick stitched hem using thread that closely matches the colour of the fabric, appearing almost invisible on the outside of the garment. A pick stitch in sewing is a simple running stitch that catches only a few threads of the fabric, showing very little of the thread on the right side (outer side) of the garment. It is also sometimes known as ...
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