Grey fixed flexible fork enables axial gap for adjusting position of green lever. Pink cam is for clamping the lever after adjustment.
The mechanism can work in case without teeth (friction clamping).
STEP files of this video:
https://www.mediafire.com/file/u4o7ka4yf2hgf2b/AdjustAnglePositionSTEP.zip
Inventor files:
https://www.mediafire.com/file/0yajag0dj12h838/AdjustAnglePositionInv.zip
Post time: Jul-15-2017