Patent ID: 7029212

Claim:
A corner cutting guide for a hand-held rotary hand tool having a grippable outer enclosure and a collet that is rotatable about an axis of the rotary tool and adapted for receiving a bit for engaging a work surface, the corner cutting guide comprising: a housing defining an axis of the housing and adapted for attachment of the rotary tool with the axis of the rotary tool extending through the housing along the axis of the housing and the outer enclosure of the rotary hand tool being exposed as the primary means for gripping and manipulating the rotary hand tool with the corner cutting guide attached thereto; and a sleeve adapted for coupling to the rotary tool; wherein the housing includes an opening for receiving the sleeve and is adapted for locking the sleeve in a plurality of longitudinal positions along the axis of the housing; the housing also having first and second substantially linear guide walls thereof for engaging abutting walls at a corner of the work surface; the first and second guide walls of the housing being disposed substantially perpendicular to one another, and having respective outer surfaces thereof which if projected would intersect to form a line lying in a common plane with the axis of the housing and oriented at an acute angle to the axis of the housing.