TWI660086B

A sewing machine that can change a trajectory of a needle point without large-sizing a driving mechanism is provided. A needle bar 4 is supported by a needle bar supporter in a manner freely movable up and down relative to a frame. A crank 2 is fixed to an upper shaft 1, rotates with the upper shaft...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAFUNE, JUN, MORIMOTO, SHUZO
Format: Patent
Sprache:chi
Schlagworte:
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