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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.
First Bernina long-arm quilting machine with 24-inch free arm, stitch regulation via integrated BSR sensors, 2.200 stitches per minute, designed for use on a quilt frame of 3,55x1,2 m (length x width), installation at the parent plant in Steckborn, until now, Bernina has only been producing household sewing machines with the Q 24 model and the ...
He eventually won a case for patent infringement in 1854 and was awarded the right to claim royalties from the manufacturers using ideas covered by his patent, including Singer. Singer had seen a rotary sewing machine being repaired in a Boston shop. As an engineer, he thought it was clumsy and decided to design a better one.
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.
The great wheel was one of the earlier types of spinning wheel. The fibre is held in the left hand and the wheel slowly turned with the right. Yarn is spun on a great wheel with the long-draw spinning technique, which requires only one active hand most of the time, thus freeing a hand to turn the wheel. The great wheel is usually used to spin ...
Doffer boys in Aragon Mills, Rock Hill, South Carolina, photographed by Lewis Hine on 13 May 1912 A doffer is someone who removes "doffs" (bobbins, pirns or spindles) holding spun fiber such as cotton or wool from a spinning frame and replaces them with empty ones.
Spinning is a twisting technique to form yarn from fibers.The fiber intended is drawn out, twisted, and wound onto a bobbin.A few popular fibers that are spun into yarn other than cotton, which is the most popular, are viscose (the most common form of rayon), animal fibers such as wool, and synthetic polyester. [1]
The Barmen machine was developed in the 1890s in Germany from a braiding machine. Its bobbins imitate the movements of the bobbins of the hand-made lace maker and it makes perfect copies of Torchon and the simpler hand-made laces. [6] It can only make one width at a time, and has a maximum width of about 120 threads. [11]