Quote:
Originally posted by PMGRACER
My Dad had a device simialr to what you are talking about that was a Craftsman. It works simlar to how you describe. There is a flat round "base" with a clearance hole through it for the drill chuck. Attached perpendicular to the base is 2 parallell shafts. A "slider" moves freely up and down the shafts. Attached to the slider, is a std issue electric or cordless drill motor.
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I have one of these. The "sliders" are actually like a dual bar vise and the chuck needs to be removed from the drill and attached to the chuck device that comes as part of the kit. You then attach the drill shaft to the other side of the "follower". The drill, follower and chuck then can move up and down the parallel bars. There is also a depth stop collar so you can repeat the depth of drilling from one hole to another. Additionally, the base has some "v" jaws so that you can drill round stock as well. It does not work with most adjustable torque or hammer drills, though, as these interact with the drill chuck. My Skill hammer drill does not work at all with this setup.
The device is called a "Portalign".
ed. Al