Push-push button mechanism 4

Pink bar is pivoted on the base.
The groove profile of the yellow slider ensures that the end of the pink bar moves counterclockwise along the ring portion of the groove profile when the yellow button is pressed and released.
The button travel can be very long.
This design is taken from:
https://www.tanerxun.com/push-to-release-mechanism-design-plan/.html
See how to use this mechanism:
https://youtu.be/rx6P55quy-w

STEP files of this video:
https://www.mediafire.com/file/kbjr0azfkxv3g42/PushPushButton4STEP.zip/file
Inventor files of this video:
https://www.mediafire.com/file/u4knnyi3jxv9dln/PushPushButton4Inv.zip/file

Видео Push-push button mechanism 4 канала thang010146