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公开(公告)号：US5687660A
公开(公告)日：1997-11-18
申请号：US406794
申请日：1995-03-20
申请人： Hiroshi Honda , Nozomi Iwasaki
发明人： Hiroshi Honda , Nozomi Iwasaki
CPC分类号： D05B35/102
摘要： A cloth edge control device for a sewing machine includes a pair of rollers, an optical sensor, and controller. The pair of rollers are arranged near a needle location in such a manner that the rollers are rotating about an axis perpendicular to a direction in which a cloth material is fed, so as to be pushed against the cloth material. The optical sensor is adapted for detection of the cloth material at a plurality of points on a line along a direction intersecting with the feed direction before the needle location. The controller detects the position and curvature of the edge of the cloth material according to a light intercept signal from the optical sensor and rotates the rollers independently of each other according to the position and curvature thus detected.
摘要翻译： 用于缝纫机的布边控制装置包括一对辊，光传感器和控制器。 一对辊子以针位置附近布置成使得辊子绕垂直于布料输送方向的轴线旋转，以被推靠在织物上。 光学传感器适于在针位置之前沿着与进给方向交叉的方向在线上的多个点处检测布材料。 控制器根据来自光学传感器的遮光信号检测布料边缘的位置和曲率，并根据所检测的位置和曲率使滚子彼此独立地旋转。
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公开(公告)号：US5606927A
公开(公告)日：1997-03-04
申请号：US476643
申请日：1995-06-07
申请人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
发明人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
摘要： An under thread supply apparatus for a sewing machine comprises a bobbin case, a bobbin exchange device, a thread removal device and a winding device. The bobbin case is removably set to a shuttle of the sewing machine and accommodates a bobbin with the thread wound thereon. The bobbin exchange device takes the bobbin case out of the shuttle, and sets the bobbin case accommodating the bobbin with the thread wound anew therearound to the shuttle. The thread removal device removes the thread from the bobbin accommodated in the bobbin case which is taken out. The winding device winds a preset amount of thread around the bobbin after the thread is removed therefrom.
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公开(公告)号：US5582355A
公开(公告)日：1996-12-10
申请号：US388034
申请日：1995-02-14
申请人： Masao Nakamura , Sumio Goto , Nozomi Iwasaki
发明人： Masao Nakamura , Sumio Goto , Nozomi Iwasaki
CPC分类号： D05B59/00 , B65H63/086 , B65H2701/31 , D05B59/02
摘要： A bobbin thread removing device includes a bobbin rotatably supported on the bobbin thread removing device; pull-out apparatus for pulling out a thread wound on the bobbin; bobbin rotation detecting device for detecting the rotation of the bobbin from which the thread is being removed; and control device receiving a signal from the bobbin rotation detecting devices, for driving the pull-out apparatus to pull the thread out again when the control device detects that the bobbin is not turning in accordance with the signal from the bobbin rotation detecting devices.
摘要翻译： 底线去除装置包括可旋转地支撑在底线去除装置上的筒管; 拉出卷绕在筒管上的线的拉出装置; 线轴旋转检测装置，用于检测线从其被除去线的旋转; 以及控制装置，其从所述筒管旋转检测装置接收信号，用于当所述控制装置根据所述筒管旋转检测装置的信号检测到所述筒管不转动时，驱动所述拉出装置再次拉出所述纱线。
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公开(公告)号：US5694874A
公开(公告)日：1997-12-09
申请号：US753907
申请日：1996-12-03
申请人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
发明人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
摘要： An under thread supply apparatus for a sewing machine comprises a bobbin case, a bobbin exchange device, a thread removal device and a winding device. The bobbin case is removably set to a shuttle of the sewing machine and accommodates a bobbin with the thread wound thereon. The bobbin exchange device takes the bobbin case out of the shuttle, and set the bobbin case accommodating the bobbin with the thread wound anew therearound to the shuttle. The thread removal device removes the thread from the bobbin accommodated in the bobbin case which is taken out. The winding device winds a preset amount of thread around the bobbin after the thread is removed therefrom.
摘要翻译： 用于缝纫机的底线供给装置包括梭壳，筒管更换装置，脱线装置和卷绕装置。 梭芯可拆卸地设置在缝纫机的梭子上，并容纳线圈缠绕在其上的线轴。 线轴更换装置将梭壳从梭子中取出，并将绕线筒的绕线筒重新安装在绕线筒上。 脱线装置从收纳在被取出的梭壳的筒管中取出螺纹。 绕线装置在将线从其上取下之后绕着线轴缠绕预定量的线。
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公开(公告)号：US5603273A
公开(公告)日：1997-02-18
申请号：US474909
申请日：1995-06-07
申请人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
发明人： Masao Nakamura , Sumio Goto , Hiroyuki Tomioka , Takayoshi Mori , Nozomi Iwasaki
摘要： An under thread supply apparatus for a sewing machine comprises a bobbin case, a bobbin exchange device, a thread removal device and a winding device. The bobbin case is removably set to a shuttle of the sewing machine and accommodates a bobbin with the thread wound thereon. The bobbin exchange device takes the bobbin case out of the shuttle, and sets the bobbin case accommodating the bobbin with the thread wound anew therearound to the shuttle. The thread removal device removes the thread from the bobbin accommodated in the bobbin case which is taken out. The winding device winds a preset amount of thread around the bobbin after the thread is removed therefrom.
摘要翻译： 用于缝纫机的底线供给装置包括梭壳，筒管更换装置，脱线装置和卷绕装置。 梭芯可拆卸地设置在缝纫机的梭子上，并容纳线圈缠绕在其上的线轴。 线轴更换装置将梭壳从梭子中取出，并将绕线筒的绕线筒重新设置在梭子上。 脱线装置从收纳在被取出的梭壳的筒管中取出螺纹。 绕线装置在将线从其上取下之后绕着线轴缠绕预定量的线。
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