| 摘要 |
Signal actuator device, comprising a support structure; a bottom drive shaft, turnable seated in a seat of the support structure; first torsional coupling means, integral to said bottom drive shaft and fully extending around said shaft; at least a first control cam torsionally coupled to said first torsional coupling means in a selective manner for adjusting the angular position thereof relative to said bottom drive shaft; said at least one first cam being suitable for actuating an electrical device supported by said support structure; a top drive shaft, torsionally coupled to said bottom drive shaft in a selectively removable manner; second torsional coupling means, integral to said top drive shaft and fully extending around said shaft; at least a second control cam torsionally coupled to said second torsional coupling means in a selective manner for adjusting the angular position thereof relative to said removable top drive shaft; said at least one second cam being suitable for actuating an electrical device supported by said support structure. <IMAGE> |
