| 摘要 |
The invention concerns a sequence switch of the cylindrical break selector type comprising a break selector and a preselector for plus/minus or coarse/fine switching. Switching of the preselector is achieved using a star disc 8 which temporarily engages at the periphery of the disc in a hinged star arm 15, which arm is permanently engaged with a drive ring 6 which carries the movable contacts of the preselector. <IMAGE> |
