Quote Originally Posted by BlasterBob View Post
Just looked up the patent number and although it reads as follows, I still don't understand how it functions.
A tool for setting nails or like linear fasteners in hard wood, concrete or other hard surfaces. The tool is usable in conjunction with a power implement having a rotary working portion, such as an electric drill, and is adapted to be secured in the rotary portion of the power implement for rotation therewith. The tool includes a first means to grip the nail head to effect rotation of the nail with the tool. The first means can include a novel wrench according to the invention. A second means engages the nail shank to axially align the nail with the axis of rotation of the working portion of the power implement. Manual pressure exerted through the power implement advances the rotating nail into the surface.
Sounds like its to be used with a hammer drill, down force on the drill and the hammer drill action drive the nail.