Plow cutter assembly
OwnerJohn M. Tipperinventor
Life of this patent
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Abstract
A plow cutter assembly to be used in the strip mining of coal, the assembly comprising a container having a plurality of steel spikes mounted at an angle on its lower face. A hoist pulls the assembly along the face of a coal vein and the spikes shave off layers of coal.
Claims9
An apparatus to be pulled in a direction of travel for scraping and conveying coal from a mining site to a point remote therefrom comprising, at least one hollow rectanguloid container having two open faces which are substantially parallel to the direction of travel of the container, and two closed faces also parallel to the direction of travel and disposed orthogonally to each other, and two end walls perpendicular to the direction of travel and connected to said closed faces provided with means for pulling said container along the face of a coal deposit, and means disposed on one of said closed faces within said container for attaching scraping means thereto so that said scraping means extends out from at least one of said open faces to provide a cutting surface.
Dependencies are inferred from the claim text.