Throughout history,
lockstitch
A lockstitch is the most common mechanical stitch made by a sewing machine. The term "single needle stitching", often found on dress shirt labels, refers to lockstitch.
Structure
The lockstitch uses two threads, an upper and a lower. Locksti ...
sewing machines have used a variety of methods to drive their
bobbins so as to create the lockstitch.
"Rotating shuttle"
The term rotating shuttle is ambiguous. Sometimes it refers to a bobbin case, and sometimes it refers to a rotary hook design.
[See e.g. (ironically filed by Wheeler & Wilson), or ]
References
{{sewing
Sewing machines