| 摘要 |
<p>A switching mechanism has an operating arm pivotably movable in selected directions about an intermediate pivot point and the arm drives at least one camming member for operating a second cam in a cam-actuated self-restoring contact module. Mechanisms are provided for momentarily or maintained switching operations for up to nine positions for four contact modules, for mastered control of a fifth contact module in each position, and for a latched central position.</p> |
