Keeping direction unchanged during motion 20

Input: pink gear-crank.
Red roller of the orange shaft moves along the grey runway.
Orange plate performs planar motion without rotation. Its upper surface is kept always horizontal thanks to a system of bevel gears.
Change the shape of the rectangular runway for different trajectories of the orange plate.

STEP files of this video:
https://www.mediafire.com/file/xypbpnieykju45z/KeepDirectionUnchanged20STEP.zip/file
Inventor files of this video:
https://www.mediafire.com/file/9jfz1tkxa3kj1bb/KeepDirectionUnchanged20Inv.zip/file

Видео Keeping direction unchanged during motion 20 канала thang010146