发明授权
- 专利标题: Automatic thread tensioning device for sewing machines
- 专利标题(中): 缝纫机自动线张紧装置
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申请号: US156636申请日: 1980-06-04
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公开(公告)号: US4377980A公开(公告)日: 1983-03-29
- 发明人: Susumu Hanyu , Yoshinobu Tonomura
- 申请人: Susumu Hanyu , Yoshinobu Tonomura
- 申请人地址: JPX Tokyo
- 专利权人: Janome Sewing Machine Co. Ltd.
- 当前专利权人: Janome Sewing Machine Co. Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX54/69920 19790606
- 主分类号: D05B3/02
- IPC分类号: D05B3/02 ; D05B19/12 ; D05B47/04 ; D05B57/14 ; D05B57/26 ; D05B63/00
摘要:
An automatic thread setting device for electronically controlled material and needle position type sewing machines. The device has pattern selecting means, cloth thickness designating means, upper and lower thread tension adjusting means, and electronic memory means. Selection of a pattern automatically sets the thread tension. Selection of a different pattern automatically resets the tension.
公开/授权文献
- US5364155A Car cover 公开/授权日:1994-11-15
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