Brian nice machinework, but that's a given, you do real nice machinework as it is
However I would like to compliment you on your design work, taking a picture of a mechanism, and figuring out on your own the details to make it work.
That in itself adds to the craftsmanship of a build.
That's how I did my lifttable project, and simulator platform, looked at a picture, and tried to figure out the mechanics from there.
You did an excellent job in figuring the mechanicals from the picture.
Keep up the great craftsmanship.