https://www.youtube.com/@thang010146I need a mechanism that works off a gear/wheel, but has a certain feature.At the beginning of it starting to turn it will have a little arm or cam that pushes something into a different position on the first about 180degs of turn, but then the arm/cam sort of "is no longer in the picture" and either retreats into the wheel/gear or "free-wheels" where it has no force.Any ideas or maybe link to nice big list of this sort of thing?
you can just attach another gear that only has say half of the teeth. on the face of the gear you can have your arm or whatnot.
