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    • 3. 发明授权
    • Automatic sewing machine system
    • 自动缝纫机系统
    • US5259329A
    • 1993-11-09
    • US849046
    • 1992-04-23
    • David C. ReedmanAndrew G. N. WalterIan JolliffeDavid L. SmithGaynor E. TaylorPaul M. Taylor
    • David C. ReedmanAndrew G. N. WalterIan JolliffeDavid L. SmithGaynor E. TaylorPaul M. Taylor
    • D05B21/00D05B69/00D05C5/06G05B19/408
    • G05B19/4083D05B21/00D05C5/06D05D2209/04G05B2219/36503G05B2219/37572G05B2219/45195G05B2219/50151
    • A workpiece is supported by work support means (40; 40'; 40"; 44'; 142, 144) for movement in a first direction by co-operating workpiece clamping and feeding means (46; 142, 144), both said means being supported on a carriage (16) for movement in a second direction normal to the first to move a workpiece relative to a sewing machine head. Both of said means are arranged on both sides of an elongated aperture (42) extending in the second direction in alignment with a needle penetration point (N). Stepping motors (24; 60) are provided for moving the carriage (16) and operating the workpiece clamping and feeding means (46; 142, 144) under programmed control. A camera (70) is also provided aligned with the aperture 42, for detecting the peripheral outline of a workpiece fed therebeneath. Computer means is effective, in response to the detected outline, to identify the workpiece type and its orientation and location on the workpiece support means and accesses an appropriate stitch pattern data file and modifies the data to take account of the workpiece orientation and location. The workpiece is then sewn according to the thus modified data.
    • PCT No.PCT / GB91 / 01449 Sec。 371日期:1992年4月23日 102(e)日期1992年4月23日PCT 1991年8月28日PCT公布。 出版物WO92 / 04493 工件由工件支撑装置(40; 40'; 40“; 44'; 142,144)支撑,用于通过协调工件夹紧和进给装置(46; 两个所述装置都被支撑在滑架16上,用于沿垂直于第一方向的第二方向运动,以相对于缝纫机头移动工件。 所述装置都布置在沿着第二方向延伸的细长孔(42)的两侧,与针刺​​入点(N)对齐。 提供步进电动机(24; 60),用于移动滑架(16)并在编程控制下操作工件夹紧和进给装置(46; 142,144)。 还设置有与孔42对准的照相机(70),用于检测在其附近馈送的工件的周边轮廓。 计算机装置响应于检测到的轮廓,有效地识别工件类型及其在工件支撑装置上的取向和位置,并访问适当的针迹图案数据文件并修改数据以考虑到工件的取向和位置。 然后根据如此修改的数据缝制工件。