Patent ID: 7788812

Claim:
A carpet trimmer tool, comprising: a base plate; a handle mounted on said base plate; at least two posts extending from said base plate; a blade holder for holding one or more blades; a wall runner on said blade holder; a plurality of spacers for supporting said blade holder at a selective height above said base plate, each spacer having at least two holes for mounting to said at least two posts, including: a first spacer having an upper surface and a relieved area formed to at least one edge; and an upper spacer mountable with said first spacer on said posts, a lower surface of the upper spacer directly contacting said first spacer upper surface, the relieved area of the first spacer exposing, from beneath, an unrelieved area of the upper spacer lower surface, the relieved area and the unrelieved area defining a relieved zone; wherein the blade holder has a first thickness greater than a characteristic thickness of the first spacer and a thinner, second thickness at a back edge abutting region that is insertable beneath the unrelieved area of the upper spacer and into the relieved zone, the upper spacer being liftable thereby.