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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]
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.
Elna's drop-in rotary hook runs with little movement or noise, unlike oscillating shuttle machines popular at the time, which require a bobbin case and vibrate at high speeds due to air resistance. Casas also recognized that "when a woman finishes sewing she wants to get the machine out of the way," [ 4 ] so Elna was designed to be portable and ...
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.
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".
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.