mechanism

I'm designing a mechanism including a small R/C servo actuating some kind of trigger : The red hook rotates freely around the bolt at the end of one of its arms and the horn rotates around the servo output axis. No problem for modeling the related mates. But hat I'd like to model is the mate between the horn and the hook,…

Hi All, Does anyone know the name of this mechanism? Its used inside mechanical windup toys. The hexagonal axle can rotate clockwise but not counterclockwise due to the interaction of the purple part and the orange gear housing. The purple part can deform to accommodate motion clockwise but not counterclockwise. I've been…