US 12,722,274 B1 · Drill guide and method for using the same

Abstract

A portable drill guide apparatus and method enabling precise alignment of both entry and exit points when drilling through workpieces. The apparatus comprises U-shaped mounting brackets, polymer mounting blocks that attach to a portable power drill, and a clamping mechanism with alignment pointer. The invention reverses conventional drilling approaches by first establishing the desired exit point location before determining the entry point, ensuring perfect alignment throughout the drilling operation. Particularly valuable for applications involving cylindrical objects, irregular forms, or scenarios where visualization of both sides of the workpiece simultaneously is impractical, the invention provides bidirectional alignment control for through-hole drilling operations in marine construction, timber framing, utility pole modifications, furniture making, and similar applications where traditional drill presses cannot be practically employed.

Claims3

Dependent claims

A portable drill guide apparatus, comprising:

a pair of U-shaped mounting brackets, each U-shaped mounting bracket having two parallel elongated members joined at one end, said elongated members having partially threaded portions;
mounting blocks, each mounting block defining channels through which said parallel elongated members of said U-shaped mounting brackets pass, said mounting blocks attached to a portable power drill;
a rod having a hexagonal cross-section, said rod slidably received through hexagonal apertures in said mounting blocks;
an L-bracket indirectly and rigidly attached to said U-shaped mounting brackets and to said rod;
a ball-ended clamping handle attached to said L-bracket;
and
an alignment pointer extending from said L-bracket.

4 more elements

Dependencies are inferred from the claim text.

Drill guide and method for using the same

Life of this patent

Drill guide and method for using the same

Life of this patent

Abstract

Claims3