Translation table of changing direction possibility

It is an application of mechanism shown at

The two mechanisms are connected by yellow table.
Inputs: pink cranks that are connected together by red chain.
The table performs linear translation without runway. Motion direction of the table is changed when turning large green gears via orange worm drives.
The video shows how to change vertical translation to horizontal one. Red arrow points out the translation direction on yellow scale plate.
The process can be performed without stopping the mechanism.
This concept can be used for playground equipments.

Mechanism,Linkage,Gear,Translation,