Patent ID: 7228631

Claim:
A hand tool, comprising: a housing, comprising a handle portion and a working portion; a blade rigidly mounted in and protruding from the working portion of the housing, said blade having a sharp cutting edge at the protruding end, said cutting edge being visible while making a cut; and a regulating post both rigidly and adjustably mounted in and protruding from the working portion of the housing, said regulating post being located between said blade and said handle portion, said regulating post having a non-cutting workpiece-engaging surface at its outer protruding end that is proximate to the blade relative to the handle portion but spaced apart from and generally aligned with said cutting edge of said blade, said blade being angled toward the workpiece-engaging surface of the regulating post such that an included angle between the blade and a vertical axis of the regulating post is acute, said regulating post limiting the maximum depth of a cut of said blade, and wherein, only said blade and said regulating post contact the workpiece surface when material from said surface is being removed.