Some light hints that may point you in the right direction:
Hint 1
The assembly is a part of a larger machine.
Hint 2
Several assemblies are meant to move side by side in unison.
Hint 3
The square-ish shaped piece is plastic that will wear down and be replaced.
I don’t know what the right word is, but some sort of cam follower? The left part slides along the cam, raising and lowering the lever and applying torque to the right attachment point. There could be multiple cams and levers on the same shaft.
That’s actually getting pretty close. The main difference is that the roles are reversed: The attachment point controls where the assembly goes.
So some sort of latch? The attached mechanism pushes this thing to the left, where it ramps up over something, then falls down to hook into place? I can’t imagine what would need several of these working side by side in unison though.
Hmmm, no, the ramp is on the wrong side. Does it push something?
Pushing is correct :)