Portable drill press
OwnerClaude Ernest Nowlandinventor
Life of this patent
Estimating the term…
Abstract
A drill press comprises a hollow pillar with a base, a holder for a drill slidably mounted on the pillar and a clamp integral to the pillar for clamping the base to a work piece so that the drill is guided to the work piece. The clamp is a G clamp with a jaw held by an arm which engages a screw thread shaft housed in the pillar so that rotating the shaft raises and lowers the arm and the jaw.
Claims24
A drill press comprising a hollow pillar with a base, a holder for a drill slidably mounted on the pillar and a clamp with a jaw held by an arm which engages a threaded shaft housed in the pillar and configured to raise and lower the arm and the jaw accordingly, wherein the clamp is used for clamping the base to a work piece so that the drill is guided to the work piece.
The drill press of claim 24, wherein the arm has an internal thread which engages a screw thread of the shaft located within the pillar of the drill press so that rotating the screw thread raises the arm and the jaw accordingly.
The drill press of claim 24 wherein the threaded shaft is moved by rotating a handle protruding at the top of the pillar to allow the arm to move up and down to secure the clamp with a jaw to a work piece.
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Dependencies are inferred from the claim text.