| 摘要 |
A touch lever closing mechanism does not employ an actuator and a sensor but employs first and second touch levers provided with first and second arms and a shaft for opening and closing the first and second arms. The touch lever closing mechanism comprises first and second position detectors which are provided with the first and second touch levers and disposed at the side of a fixed receiver wherein a work is clamped by the first and second touch levers and the outer diameter of the work is measured based on the position where the work is clamped by the first and second touch levers, characterized in that the first touch lever has the first arm which is attached thereto and forms an inversed T-shape together with the first arm, the first touch lever is connected to a connecting bar of the first position detector, the second touch lever has the second arm which is attached thereto and forms an inversed T-shape together with the second arm, the second touch lever is connected to the connecting bar of the second position detector, the shaft disposed under the first and second arms and in parallel with the work and a spring attached to the fixed receiver for raising the shaft.
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