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1. 发明授权

US5513590A Automatic trouser indexing method and apparatus for belt loop attachment with improved tension control and seam detection 失效
标题翻译：自动裤子分度方法和装置用于皮带环附件，具有改进的张力控制和接缝检测
公开(公告)号：US5513590A
公开(公告)日：1996-05-07
申请号：US259860
申请日：1994-06-15
申请人： Kenneth S. Allison , Yoichi Enomoto , Hideho Sasamoto
发明人： Kenneth S. Allison , Yoichi Enomoto , Hideho Sasamoto
IPC分类号： A41F9/00 , D05B33/00 , D05B35/06 , D05B19/00 , D05B3/12
CPC分类号： A41F9/007 , D05B33/003 , D05B35/068
摘要： A method and apparatus for indexing the waistband of trousers into belt loop attachment positions at the stitching station of a sewing machine is disclosed. A stepper motor is drivingly engaged to an indexer clamp, which engages the end portion of the waistband. The stepper motor drives the indexer clamp and pulls the waistband through the stitching station. A detector comprising dual rollers is pivotally connected to respective lever arms. Signal generators detect the presence of a waistband seam and signals a controller which correlates the position of the side seam as a reference point with the desired attachment positions of belt loops. The controller signals the stepper motor to stop when each of successive belt loop attachment positions move into the stitching station. The controller operates a belt loop delivery system which feeds a belt loop to the stitching station. Work holding clamps secure the belt loop onto the waistband. The belt loops are stitched onto the waistband as each successive belt loop attachment position enters the stitching station.
摘要翻译：公开了一种用于将裤子的腰带索引到缝纫机的缝合站处的带环安装位置的方法和装置。步进电机驱动地接合到与腰带的端部接合的分度器夹具。步进电机驱动分度器夹，并将腰带拉过缝合台。包括双辊的检测器枢转地连接到相应的杠杆臂。信号发生器检测腰带接缝的存在并发出一个控制器，该控制器将侧接缝的位置作为参考点与皮带环的所需连接位置相关联。当每个连续的带环安装位置移动到缝合台中时，控制器用信号通知步进电机停止。控制器操作皮带环传送系统，其将皮带环馈送到缝合台。工作夹具将腰带环固定在腰带上。随着每个连续的皮带环安装位置进入缝合台，皮带环缝合在腰带上。

2. 发明授权

US5417174A Automatic trouser indexing method and apparatus for belt loop attachment 失效
标题翻译：皮带环附件的自动裤子索引方法和装置
公开(公告)号：US5417174A
公开(公告)日：1995-05-23
申请号：US85336
申请日：1993-06-29
申请人： Kenneth S. Allison , Yoichi Enomoto , Hideho Sasamoto , David G. Thomason
发明人： Kenneth S. Allison , Yoichi Enomoto , Hideho Sasamoto , David G. Thomason
IPC分类号： A41F9/00 , D05B33/00 , D05B35/06 , D05B3/12 , D05B19/00
CPC分类号： D05B33/003 , A41F9/007 , D05B35/068
摘要： A method and apparatus for indexing the waistband of trousers into belt loop attachment positions at the stitching station of a sewing machine is disclosed. A stepper motor is drivingly engaged to an indexer clamp, which engages the end portion of the waistband. The stepper motor drives the indexer clamp and pulls the waistband through the stitching station. A detector detects the presence of a waistband seam and signals a controller which correlates the position of the side seam as a reference point with the desired attachment positions of belt loops. The controller signals the stepper motor to stop when each of successive belt loop attachment positions move into the stitching station. The controller operates a belt loop delivery system which feeds a belt loop to the stitching station. Work holding clamps secure the belt loop onto the waistband. The belt loops are stitched onto the waistband as each successive belt loop attachment position enters the stitching station.
摘要翻译：公开了一种用于将裤子的腰带索引到缝纫机的缝合站处的带环安装位置的方法和装置。步进电机驱动地接合到与腰带的端部接合的分度器夹具。步进电机驱动分度器夹，并将腰带拉过缝合台。检测器检测腰带接缝的存在并发出控制器信号，该控制器将侧接缝的位置作为参考点与带环的期望的附接位置相关联。当每个连续的带环安装位置移动到缝合台中时，控制器用信号通知步进电机停止。控制器操作皮带环传送系统，其将皮带环馈送到缝合台。工作夹具将腰带环固定在腰带上。随着每个连续的皮带环安装位置进入缝合台，皮带环缝合在腰带上。

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