The riving knife was gone. So i had to make a new one. But also the mounting plate was gone. I first started making a mounting plate. I made the plate adjustable so it is possible to make the riving knife in line with the sawblade. You can see it at the picture below. For good understanding there are 2 screws on each corner (you can,t see al the screws on the picture), one for pushing and one for pulling.
I also made a poor mans riving knife. And this is the way I did it with an angle grinder:
Thank you for looking and reading
-- My englisch is bad but how is your dutch?