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2. Vibrating shuttle - Wikipedia

   en.wikipedia.org/wiki/Vibrating_shuttle

   In 1868, Stephen French, working at the Gold Medal Sewing Machine Company in Orange, Massachusetts, patented an improved method of driving the vibrating arm. He used this mechanism in his designs of both the "Home Shuttle" sewing machine (from Johnson, Clark & Co., a related enterprise) and the Gold Medal "Home" sewing machine.

3. Allen B. Wilson - Wikipedia

   en.wikipedia.org/wiki/Allen_B._Wilson

   Allen Benjamin Wilson (1823–1888) was an American inventor famous for designing, building and patenting some of the first successful sewing machines. [1] He invented both the vibrating and the rotating shuttle designs which, in turns, dominated all home lockstitch sewing machines. With various partners in the 19th century he manufactured ...

4. Rotary hook - Wikipedia

   en.wikipedia.org/wiki/Rotary_hook

   For this hybrid machine he received patent US 8296, issued 1851-Aug-12 , (reissued as RE914 on 28 February 1860). Knowing that such a machine would surely lead to patent litigation with his former partners who had bought out the patent for the vibrating shuttle, Wilson kept working, and developed a refined design which kept the bobbin ...

5. Lockstitch - Wikipedia

   en.wikipedia.org/wiki/Lockstitch

   sideways movements of the machine's needle; backwards movements of the machine's feed dogs; In older machines, the needle and feed motion are controlled by mechanical cams. Some modern household machines offer a slot for user-replaceable custom stitch cams. In more recent designs, the needle and feed motion are directly motorized.

6. Sewing machine needle - Wikipedia

   en.wikipedia.org/wiki/Sewing_machine_needle

   The majority of sewing machine needles are made of various grades of hardened steel coated with either nickel or chromium, though certain specialty needles are coated with titanium nitride on top of chromium. Titanium nitride is a reflective golden-colored ceramic material which reduces abrasion allowing the needle to stay sharper longer and ...

7. Wheeler & Wilson - Wikipedia

   en.wikipedia.org/wiki/Wheeler_&_Wilson

   Allen B. Wilson filed two important patents for Wheeler & Wilson's sewing machines: the rotating hook and the four-motion feed. [2] His first machine formed a lock stitch by means of a curved needle on a vibrating arm above the cloth plate, and a reciprocating two-pointed shuttle traveling in a curved race below the plate.