Sewing machine

There is provided a needle thread tension controller that can control a magnitude of tension on a needle thread for each stitch, that can draw the needle thread with a slim chance of occurrence of a thread break, that easily, accurately detects occurrence of the thread break when the thread break ha...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ONO MASAYOSHI, TAKIZAWA YOSHICHIKA, KURASHIMA TATSUHIRO
Format: Patent
Sprache:eng
Schlagworte:
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