发明名称 Sewing machine and spool device for operating such a sewing machine
摘要 <p>The machine (1) has a support (4), and an arm (3) including an arm shaft staying in drive-connection with a needle bar (5). A driven spinning device (8) rolls a thread spool of a thread reel (9), and has a spinner spindle to mount a spinning housing. The spinner spindle has an inner hollow space that includes an internal thread, and an expanding-screwing body that includes an external thread complementary to the internal thread. The inner diameter of the inner hollow space is reduced with increasing distance to a free end of the spinner spindle.</p>
申请公布号 EP2138621(A1) 申请公布日期 2009.12.30
申请号 EP20090006769 申请日期 2009.05.20
申请人 DUERKOPP ADLER AG 发明人 LANGRECK, GERD;NOELTGE, THOMAS
分类号 D05B43/00;D05B59/00 主分类号 D05B43/00
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