US Patent 10906108 Blade accessory with guide

An accessory includes a blade, a coupling, and a guide. The blade includes a cutting edge. The coupling includes a first portion and a second portion. The first portion is attachable to and detachable from the power tool. The second portion is connected to the blade. The guide is structured to guide the blade along a work piece by interacting with a surface of the work piece as the blade moves in an advancing direction. The guide is structured to provide a locked state and an unlocked state. In the locked state, the guide is engaged with the coupling such that the guide is attached to the coupling. In the unlocked state, the guide is disengaged from the coupling such that the guide is detached from the coupling.