发明名称 |
Hemmer attachment for a sewing machine |
摘要 |
Hemmer attachment comprises guiding walls arranged to fold a margin of a body of material to form a hem. The guiding walls include a stationary outer portion and a movable inner portion mating with the outer portion. The device includes means for translating the inner portion away from its mating position with the outer portion and then rotating the inner portion away from the outer portion.
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申请公布号 |
US4120252(A) |
申请公布日期 |
1978.10.17 |
申请号 |
US19770831190 |
申请日期 |
1977.09.07 |
申请人 |
PENNSYLVANIA SEWING RESEARCH CORP. |
发明人 |
GLASSMAN, AARON |
分类号 |
D05B35/02;(IPC1-7):D05B35/04 |
主分类号 |
D05B35/02 |
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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