Yellow rack is connected to the movable 50 percent mildew.
When the movable 50 percent mildew moves, the rack pinion drive and the screw drive (blue screw and orange mounted nut) make blue shaft carrying the pink thread core rotate and translate. Therefore the thread core is inserted into or taken off from the plastic injection element (not proven).
The blue gear will have to has ample duration to permit its meshing with the rack when the blue screw interprets.
Thread leads of thread core and the blue screw will have to be equal.
Step files of this video clip:
Post time: 03-27-2016