发明名称 |
Programmed thread regulating apparatus for a sewing machine |
摘要 |
A thread regulating apparatus for a sewing machine having a plurality of thread regulators. Each regulator nips a thread between a pair of tension discs to apply tension to the thread. The tension applied to the thread is determined according to combination patterns of tension values stored in a memory.
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申请公布号 |
US4873931(A) |
申请公布日期 |
1989.10.17 |
申请号 |
US19880192093 |
申请日期 |
1988.05.10 |
申请人 |
PEGASUS SEWING MACHINE MFG. CO., LTD. |
发明人 |
TAKAGI, KATSUMI;NEGORO, TOSHIHITO;TAMAGAWA, ITARU |
分类号 |
D05B19/04;D05B19/12;D05B47/04 |
主分类号 |
D05B19/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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