Welcome to Quilting Board, ddrn. Thank you for posting pictures. They sure don't look like any of the cams in the links I posted in #2 above.
Those cams look a lot like the cams for a Dressmaker, Elgin 2468 and some other machines. post # 60
The Cam Thread
and #54
The Cam Thread
Maybe it would be helpful to others if you posted a picture of the cams in "The Cam Thread"
The Cam Thread in the vintage antique section of this site.