发明名称 |
UNDERBED THREAD TRIMMING MECHANISM FOR SEWING MACHINES |
摘要 |
An underbed thread trimmer for both the needle and bobbin threads of a lockstitch sewing machine is disclosed in which a thread pick-up finger is moved across the path of the threads to be severed, and in which during return of the thread pick-up finger a cam associated therewith effects the opening and closing of a scissor type thread cutter.
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申请公布号 |
US3709176(A) |
申请公布日期 |
1973.01.09 |
申请号 |
USD3709176 |
申请日期 |
1971.10.08 |
申请人 |
SINGER CO,US |
发明人 |
PAPAJEWSKI R,DT;GILLESSEN E,DT |
分类号 |
D05B57/00;D05B65/00;(IPC1-7):D05B65/00 |
主分类号 |
D05B57/00 |
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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