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The rotary hook or rotating hook is a bobbin driver design used in lockstitch sewing machines since the 19th century. It triumphed over competing designs because it can run at higher speeds with less vibration. Rotary hooks and oscillating shuttles are the two most common bobbin drivers in use today.
Bobbin (right) and bobbin case for a shuttle hook sewing machine, introduced by Singer for the "Improved Family" model in 1895 The lockstitch sewing machine, invented and developed in the 18th and 19th centuries [ 10 ] [ 11 ] , forms a stitch with two threads: one passed through a needle and another from a bobbin.
Straight stitch – the basic stitch in hand-sewing and embroidery; Tacking stitch (UK, also baste or pin) – quick, temporary stitching intended to be removed; Tent stitch – diagonal embroidery stitch at a 45-degree angle; Topstitch – used on garment edges such as necklines and hems, helps facings stay in place and gives a crisp edge
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]
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. To make one stitch, the machine lowers the threaded needle through the cloth into the bobbin area, where a rotating hook (or other hooking mechanism ) catches the upper thread at the point just after it goes ...
A vibrating shuttle is a bobbin driver design used in home lockstitch sewing machines during the second half of the 19th century and the first half of the 20th century. It supplanted earlier transverse shuttle designs, but was itself supplanted by rotating shuttle designs.
Thus both the flyer and bobbin rotate to twist the yarn, and the difference in speed winds the yarn onto the bobbin when the spinner lets up tension on the newly spun yarn, and spins the bobbin and flyer together to add spin to the yarn when the spinner keeps the new yarn under tension (in this case, the drive band will slip slightly in the ...
Trade card, ca 1900. The White Sewing Machine was the first sewing machine from the White Sewing Machine Company. [1] It used a vibrating shuttle bobbin driver design. For that reason, and to differentiate it from the later White Family Rotary that used a rotary hook design instead, it came to be known as the "White Vibrating Shuttle" or "White VS".
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