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2. 发明公开

EP0158708A2 Thread breakage or exhaustion detector for sewing machine 有权转让
标题翻译：用于缝纫机的断线或耗尽检测器
公开(公告)号：EP0158708A2
公开(公告)日：1985-10-23
申请号：EP84111647.8
申请日：1984-09-28
申请人： JUKI CORPORATION
发明人： Iimura, Ikurou , Sakuma, Kuniharu , Iwabuchi, Haruo
IPC分类号： D05B51/00
CPC分类号： D05B51/00
摘要： A drive control mechanism and a safety device in a sewing machine in which thread in a predetermined amount necessary for the formation of one seam each time a seam is to be formed. The drive control mechanism comprises a control circuit for allowing current to flow to a machine motor when no thread amount signal is produced though a position signal is produced at the start of the machine. The safety device comprises a thread paying-out detection circuit operable when a position signal is produced. but no thread amount signal is produced, an alarm for producing a sound or light warning in response to the operation of the thread paying-out detection circuit and a motor stop circuit for inturrupting flow of current to a machine motor.
摘要翻译：一种缝纫机中的驱动控制机构和安全装置，其中每次形成接缝时形成一个接缝所需的预定量的螺纹。驱动控制机构包括一个控制电路，当电机起动时产生一个位置信号时，当没有线量信号产生时允许电流流向机器马达。安全装置包括当产生位置信号时可操作的线程支出检测电路。但是不产生线量信号，响应于线送出检测电路的操作产生声音或灯警告的警报，以及用于促使电流流向机器电动机的电动机停止电路。

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