Bi-folding gate 2A
Orange conrod, green and upper yellow cranks create a parallelogram mechanism.
There is a 4-bar linkage of the pink conrod that connect green and blue panels.
Free Download STEP files of Bi-folding gate 2A
https://adfly.okvector.com/Fk8IKBY
Inventor files:
https://adfly.okvector.com/yAYate3