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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.
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]
Bernina International AG is a privately owned international manufacturer of sewing and embroidery systems. The company was founded in Steckborn, Switzerland, and develops, manufactures, and sells goods and services for the textile market, primarily household sewing-related products in the fields of embroidery, quilting, home textiles, garment sewing, and crafting.
Diagram of a modern sewing machine Animation of a modern sewing machine as it stitches. A sewing machine is a machine used to sew fabric and materials together with thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount of manual sewing work performed in clothing companies.
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.
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. Each thread stays on the same side of the material being sewn, interlacing with the other thread at each needle hole thanks to the machine's movement. [ 12 ]
A single drive wheel set up in Scotch tension has one drive band connecting the drive wheel to the flyer. The spinning drive wheel turns the flyer and, via friction with the flyer shaft, the bobbin. A short tension band, or brake band, adds drag to the bobbin such that when the spinner loosens their tension on the newly spun yarn, the bobbin ...
Fritz Gegauf (1893-1980) was a Swiss inventor and founder of the Bernina International, an international manufacturer of sewing and embroidery systems. He was the son of Karl Friedrich Gegauf (1860-1926), inventor of the hemstitch sewing machine.