发明名称 |
Buttonhole foot and shank assembly |
摘要 |
A presser foot with a grooved sole plate for use in the formation of buttonholes on a sewing machine is pivotally mounted on a screw with which the foot can be moved laterally relative to the shank to position a groove dividing ridge with respect to a sewing needle.
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申请公布号 |
US4494471(A) |
申请公布日期 |
1985.01.22 |
申请号 |
US19840581832 |
申请日期 |
1984.02.21 |
申请人 |
THE SINGER COMPANY |
发明人 |
ZYLBERT, THADDEUS J. |
分类号 |
D05B29/08;D05B29/06;(IPC1-7):D05B29/08 |
主分类号 |
D05B29/08 |
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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