Patent ID: 6912823
Filing Date: 2005-07-05
Classification: E02D

Abstract:
1. A wall having a from surface and a rear surface, the wall comprising: at least a first lower course and a second upper course, each course comprising a plurality of blocks, each block having an upper surface spaced apart from an opposed lower surface, thereby defining a block thickness, opposed first and second faces, the first face having an area greater than the second face, opposed and non-parallel side surfaces, the first and second faces together with the upper, lower and side surfaces forming a block body, one of the side surfaces of at least one block having at least one elongate slot extending between the upper and lower surfaces, the other of the side surfaces of the at least one block having a projection shaped to mate with a slot on a side surface of an adjacent block in the wall; the blocks being positioned in the courses such that the front surface of the wall includes a plurality of the first faces of the blocks and a plurality of the second faces of the blocks; wherein the lower surface of the block further comprises first and second channels substantially parallel to the first and second faces; and wherein the blocks further comprise at least one pin receiving aperture, and the wall further comprises pins, each pin having a head portion and a body portion, the head portion being configured to be received within one of the at least two channels of the lower surface of the block in the second upper course of the wall and the body portion being configured to be received in the pin receiving aperture of the block in the first lower course of the wall.