Automatic alarm of empty loader. With automatic motor overload protection device.

缺料自动报警响蜂鸣示告，马达过载自动保护装置。

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Automatic speed regulating apparatus as defined in claim 1 in which the torsion spring is connected to the hub by means of a resilient portion constituting an overload protection and damping device.

自动调速装置所界定的要求，1其中扭转弹簧连接到集线器的方式有弹性的部分构成了过载保护和阻尼装置。

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Automatic stopping is available when the material boxing is not in place, and the main driving motor overload protection device is used, so that the machine is safer and more reliable.

采用物品进盒不到位自动停机和主传动电机过载保护装置，适用更安全可靠；

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