Patent ID: 7159323

Claim:
A power saw for facilitating straight line cuts on a workpiece, the saw comprising a body, a blade, and a workpiece interface plate, the workpiece interface plate having a first face for contacting a surface of the workpiece, a second face facing the body, a front, and a rear, the workpiece interface plate comprising: at least two sets of wheels connected to the workpiece interface plate, each set of wheels comprising an axle having at least two wheels fixed thereto in a configuration that prevents rotation of the wheels relative to the axle, each wheel comprising a non-slip feature for minimizing slippage of the wheel on the workpiece; wherein the sets of wheels have a first configuration relative to the workpiece interface plate in which the wheels extend past the first face of the workpiece interface plate a sufficient distance to contact the workpiece, and a second configuration relative to the workpiece interface plate in which the wheels do not extend past the first face of the workpiece interface plate.