| 摘要 |
A zigzag sewing machine including a needle bar having a sewing needle attached thereto, a needle swing mechanism that laterally swings the needle bar, a needle plate disposed on an upper surface of a sewing machine bed, and a feed dog constituted by a first to fourth teeth that feed a workpiece cloth by projecting/retracting from the needle plate. The zigzag sewing machine further includes a feed dog longitudinal transfer mechanism that longitudinally moves the feed dog, a feed dog lateral transfer mechanism that laterally moves the feed dog, and a control unit that controls the feed dog lateral transfer mechanism so that one of the teeth is associated with a needle drop point of the sewing needle.
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