The fluteddisc on the connecting sleeve is gored and turned together with the straight face.
直面顶住联接套上的齿盘一起转动;
2
The fluteddisc on the connecting sleeve is contacted and glide with the diagonal face to form zero return stroke. The speed of tweaking screws is high.
斜面与联接套的齿盘接触可滑动,形成空回程,扭螺丝速度快。
3
The utility model discloses a mechanism that can exactly control the knotting teeth position when the fluteddisc with partial teeth disengages from the knotting teeth at fast running.