"Wild_Bill" wrote:

I don't know what this type of joint/capture device is called, but I
remember it being used to secure the handlebar stem on an old bicycle.
When the center bolt is tightened, the wedge-action locks the crank arbor in
the spindle ID.

A simple wedge clamp. I've repaired enough bicycles I should have come up
with that.

Thanks

Wes