US Patent 7416000 Apparatus for straight-lining construction material

An apparatus for straight-lining construction material comprises an extension coupled to a rip fence and a carrier assembly coupled to the top of the extension, in which the carrier assembly travels along the extension to deliver the material to a saw blade. The carrier assembly comprises a sled, a plurality of clamp assemblies and a guide, the sled and the plurality of adjustable clamp assemblies coupled to the guide. The guide has a recess receiving the extension. Each one of the plurality of clamp assemblies secures the material in position.