Feeding and needle swinging collaboration device of sewing machine

The utility model discloses a feeding and swing needle cooperation device of a sewing machine, which comprises a rack, an upper feeding device, an upper feeding motor used for driving the upper feeding device, a lower feeding device, a lower feeding motor used for driving the lower feeding device, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HONG ZITING, KE FUWEI, HONG GONGHUO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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