A buttonholer is an attachment for a sewing machine which automates the side-to-side and forwards-and-backwards motions involved in sewing a buttonhole. Older machines and straight-stitch-only models cannot make the zigzag stitches a buttonhole needs, and a buttonholer attachment solves that limitation, letting any machine capable of lock stitching produce a buttonhole; it works by manipulating the fabric itself, using a toothed cloth clamp to secure the material while it carries out the necessary motions, rather than by repositioning the needle.
Facts
Introduced When (Circa)The earliest dedicated buttonholer attachment, the Peerless Buttonholer for Singer VS machines, was patented in 1887. 1 OriginSinger contracted outside manufacturers, including The Sackett Mf'g Co and later Greist Mfg Co, to produce the buttonholer attachments it branded and sold under its own name. 1 Sources
1. Buttonholer (Wikipedia)
Wikimedia FoundationSinger buttonholers section, second sentence
The Peerless Buttonholer for use on Singer VS machines was patented in 1887 and made by The Sackett Mf'g Co.
Singer buttonholers section, first sentence
The Singer Manufacturing Company, (often abbreviated by Singer as Simanco), contracted several manufactures to produce buttonholers branded as Singer, in an evolving series of buttonholers that fit Singer machines.
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