Push-push button 2

Pink bar is pivoted on the base. The groove profile of blue slider ensures that the upper pink pin moves clockwise along heart-shaped groove when the blue button is pushed and released. Pay attention to the followings (the letters on the sketch denote corners of the profiles): a’ is on the right of a b’ is on the left of b c’ is on the right of c d’ is on the left of d See related videos: See another mechanism of the same working principle “Push-push button 1”: STEP files of this video: Inventor files: