| 摘要 |
<p>The machine has needle bar (7) that is provided with sewing needle (8). The needle thread (9) is penetrated by pinhole of the sewing needle. The webbing appearance apparatus (24) is provided between needle thread main tone unit (22) and needle thread tension apparatus (21). The webbing appearance apparatus is provided to pass the thread through thread path between thread balance and needle thread main tone units in neutral position. The needle thread tension apparatus is positioned between webbing appearance apparatus and needle thread accumulation portion.</p> |
