Patent ID: 7396190

Claim:
A retaining wall block comprising: a front portion having a front side presenting a block front surface, a back side, a top surface, a bottom surface, and a pair of rearwardly converging sides extending between the front side and the back side and a tail portion extending from the back side of the front portion intermediate the rearwardly converging sides, the tail portion having a rear side presenting a block rear surface, a top surface, a bottom surface, and a pair of opposing side surfaces, wherein the opposing side surfaces do not diverge as they extend rearwardly from the back side of the front portion and are substantially solid and uninterrupted by holes, recesses, or grooves the back side of the front portion presenting a pair of rearwardly facing shoulders that are substantially parallel with the front surface, each shoulder extending between a scoarate one of the opposing sides of the tail portion and a separate one of the rearwardly converging sides of the front portion, the top surface of the front portion and the top surface of the rear portion together defining a block top surface, the bottom surface of the front portion and the bottom surface of the rear portion together defining a block bottom surface, the block bottom surface comprising at least one projection configured and arranged such that when the front portion is engaged with a front portion of a laterally adjacent block in a multiple course wall structure, the projection abuttingly engages a rearwardly facing shoulder of a vertically adjacent block.