The invention provides an automatic double helix turning and setting device of side row stand seat with the advantages of simple structure, high transmission accuracy, and low failure rate.

本发明提供一种结构简单、传动精度高、故障率低的双螺旋副整排看台座椅自动翻放装置。

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The invention provides a tooth row with a swinging device, which is characterized by comprising a tooth row, a cam bit and a swinging device.

一种有摆动装置的牙排，其特征在于它包括牙排、凸轮块和摆动装置；

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Shedding device: cam shedding mechanism, four pieces of double-row heald frame.

开口装置：采用凸轮开口机构， 四片双列综框。

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This allows for an extra row of icons, but of course fitting the device into your pocket might not fly anymore.

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At first glance I was struck by the amount of CCTV equipment for what is a tiny row of shops, and just below the cameras I am pretty sure I can see a Mosquito device.

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