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US6053387A Strap driving device for looping machines 失效
循环机的带驱动装置

Strap driving device for looping machines
摘要:
A strap driving device for looping machines has with a strap guiding channel for a looping strap and two pairs of drive rollers engaging in the strap guiding channel. Each pair of drive rollers has a driving roller driven in rotation and a pressing roller to be set to the latter for free running. For being set to the driving roller, the pressing roller is mounted on a rocker.
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