Patent ID: 7185470

Claim:
A retaining wall block comprising: a body having a front, rear, bottom, top, and side surfaces; a central cavity extending vertically through said body and defining front, rear, and side walls, said walls having inner surfaces; a front corner at the intersection of each of said side walls and said front wall; said side walls diverging rearwardly from said front corner of said block; a stabilizing wing extending outwardly from each of said side walls adjacent said rear surface; each of said wings extending substantially less than a plane tangent to said front corner and perpendicular to said front surface; two positioning wedges extending from said bottom surface, said positioning wedges including flat forward surfaces; and said flat forward surface of said positioning wedge being located nearer said front surface than is said inner surface of said front wall; whereby a plurality of said blocks are formed into a retaining wall by placing a lower tier of blocks with said blocks in said lower tier in contact at said front corners and forming an upper tier of blocks by placing said flat forward surfaces of said positioning wedges of said blocks of said upper tier in engagement with said inner surface of said front wall of one or more of said blocks in said lower tier.