I worked with a tool in Boulder Colorado that i haven't seen since. It was shaped like a soup bowl with 3 'planer' blades set into the bottom. It mounted on an angle grinder and we used it to mimic adze surfacing. The unit was made by Black & Decker, but when we called to try and locate replacement blades they claimed they had never made such a device.

I would love to be able to find one of these units, we have looked into manufacturing one and it would be pricey. I can't find a reference to one anywhere on the web, even searching the US Patent Office for Black & Decker patents turned up nothing.

Anybody else know what i'm talking about?? Ever seen one? What is it actually called and where could i find one??