| 摘要 |
In a machine tool having a base member, a moveable member and a drive screw assembly for displacing the moveable member relative to the base member, an anti-whip device for the drive screw assembly generally consisting of a support member mounted on the base member and displaceable between a first position supporting an elongated drive screw, and in a path of travel of the moveable member and a second position not supporting the drive screw and out of the path of travel of the moveable member, yieldable means for biasing the support member into the first position and means disposed on the moveable member and engageable with the support member for camming the support member from the first position to the second position against the biasing action of the biasing means when the drive screw is driven and the moveable means is caused to traverse past the support member.
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