发明授权
- 专利标题: Sewing machine having automatic feed control system
- 专利标题(中): 缝纫机具有自动进料控制系统
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申请号: US569030申请日: 1975-04-17
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公开(公告)号: US3980032A公开(公告)日: 1976-09-14
- 发明人: Johann Otto Kleinschmidt , Wolfgang Niem
- 申请人: Johann Otto Kleinschmidt , Wolfgang Niem
- 申请人地址: DT Stuttgart
- 专利权人: Union Special Maschinenfabrik G.m.b.H.
- 当前专利权人: Union Special Maschinenfabrik G.m.b.H.
- 当前专利权人地址: DT Stuttgart
- 主分类号: D05B27/08
- IPC分类号: D05B27/08
摘要:
Fabric lengths are monitored during and/or prior to sewing by sensing means in conjunction with a logic system. Differences in fabric ply lengths are compensated for by the logic systems control via stepping motors of the differential feed assembly located above and below the fabric plies.
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