发明名称 |
Clutching arrangement for a sewing machine bobbin |
摘要 |
A clutch which is engaged to rotate and wind thread on a sewing machine bobbin is provided with clutch parts that include a single bladed paddle, and a member with a pair of crossed paddle receiving through slots, one of which has a chamfered upper edge that substantially widens the mouth of the slot and the other of which is without such chamfered edge.
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申请公布号 |
US4481897(A) |
申请公布日期 |
1984.11.13 |
申请号 |
US19830505009 |
申请日期 |
1983.06.16 |
申请人 |
THE SINGER COMPANY |
发明人 |
ODERMANN, CHARLES R.;LARSEN, ROBERT H. |
分类号 |
D05B57/14;D05B59/00;(IPC1-7):D05B57/26 |
主分类号 |
D05B57/14 |
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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