| Original document(5 pages) 中文版 |
This invention relates to a magnetic limit device for sewing machine. It is composed of limit frame, magnet and damping rubber. The magnet is made of Nd-Fe-B permanent-magnet material with a flux density of over 9.2 KGs. The invention features strong magnetic attraction, not displacing easily, small size, ensuring stitches parallel on seaming edge line, and convenient, practical and reliable use. |
Application Number
申请号 |
90102225 |
Application Date
申请日 |
1990.04.16 |
| Title 名称 |
Magnetic limit device for sewing |
Publication Number
公开号 |
1047353 |
Publication Date
公开日 |
1990.11.28 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
D05B35/10 |
Applicant(s) Name
申请人 |
Lishan Metallic Products Factory, Yuexiu District, Guangzhou City |
| Address 地址 |
510030 |
| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
LIANG JINXIANG HUANG HONG |
| More information 更 多 信 息 |
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