Patent ID: 7331113

Claim:
A tool alignment device for aligning the tool at a preselected angle to a target surface, said tool having a functional axis, said device comprising: a light source emitting a narrow light beam on a path toward said target surface and substantially parallel to said functional axis of the tool, an alignment indicator including a light guide mounted coaxially with said light beam path, said light guide made from a transparent material surrounded by reflective side walls, said light guide terminating with a back end equipped with a light diffuser, and a reflector positioned on said target surface at said preselected angle thereto and in the path of the beam so as to intercept said beam and reflect it therefrom and toward said alignment indicator, whereby when said tool is aligned with said target surface at said preselected angle, said reflected light beam travels through said light guide causing said back end thereof to glow, indicating the proper alignment of said tool.