Patent ID: 6523317
Filing Date: 2003-02-25
Classification: E04B,E04C

Abstract:
A wall block arranged to be stacked vertically for creation of a retaining wall, said retaining wall block comprising:(a) a block body of generally trapezoidal configuration having a central axis extending between parallelly arranged front and rear surfaces, and having top and bottom surfaces and with mutually rearwardly converging lateral side walls; (b) said top surface having front and rear lips formed thereon with each of said lips having a root portion of trapezoidal configuration with mutually opposed triangular portions extending inwardly therefrom and defining opposed aligned front and rear apices, said opposed apices being spaced apart along said central axis by a first predetermined dimension; (c) said bottom surface comprising a central base with opposed notches formed along the front and rear edges thereof, said base having a trapezoidal configuration with oppositely disposed front and rear edges spaced apart by a distance which does not exceed said first predetermined dimension; (d) said triangular portions of each of said lips comprising first and second opposed leading edge surfaces intersecting to form said opposed front and rear apices; and (e) the root portions of each of said lips having a lateral depth dimension which is delineated by that plane which lies along a first of said lateral walls and which is included in the gap created between the plane of said block body front surface and an oblique plane which lies generally parallel to the plane of said first leading lip edge and which extends between a first edge of said front surface and the intersection of said second leading lip edge with said first lateral side wall.