| 摘要 |
<p>PURPOSE: An operating device for a three-position switch is provided to prevent an operation error by using two driving rollers. CONSTITUTION: A circular convex part(7a,7b) is installed to a driving gear(4). A circular concave part(8a,8b,8c) is installed to a geneva gear(8). The circular concave part adjusts the idling speed on the shaft of the driving gear. A roller(6a,6b) is installed to the driving gear. A roller fitting groove is installed to the geneva gear.</p> |
