US Patent 8449217 Trench paver attachment

A trench paver attachment which can be used to backfill a trench to varying grade heights, the attachment being designed primarily for use on paved roads. The attachment in one configuration is able to backfill a trench with crushed rock and cement or the like to a suitable height corresponding to the base of the adjacent pavement, and in another configuration it is able to apply base, binder and top in whatever lifts are called for. The attachment may be adjusted to allow for the paving of any trench from an 18″ width up to a 96″ width, which widths may be varied by the operator during the course of paving the trench.