Retaining wall building block

Static structures (e.g. – buildings) – Module or panel having discrete edgewise or face-to-face... – Having integral key

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52608, E04C 300

Patent

active

052770125

ABSTRACT:
A retaining wall building block comprises a face wall and two side walls extending rearwardly from the face wall from the opposite ends thereof with the face wall and two side walls being shaped and arranged such that the block has a generally C-shaped configuration as viewed from above. An ear projects outwardly from one of the side walls. A notch is provided in the other of the side walls for receiving the ear of a second building block of identical construction when the blocks are placed in side-by-side relation. The blocks may pivot relative to one another about a generally vertical axis such that a plurality of blocks of substantially identical construction may be selectively arranged in a variety of configurations ranging from a generally straight-line configuration, a generally convex configuration and a generally concave configuration.

REFERENCES:
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Seagren Industries, Inc., St. Louis, Mo., Loffelstein Retaining Walls, pp. 1-4 and insert, Circa. 1990.
Kiltie Corporation, North St. Paul, Mn., Versa-Lok Retaining Wall Systems, Foldable insert, 1989.
Keystone Retaining Wall Systems, Inc., Minneapolis, Mn., Compac Unit, pp. 1 and 2, 1990.
Keystone Retaining Wall Systems, Inc., Minneapolis, Mn., Keystone Retaining Wall Systems, Foldable insert, 1991.
Allan Block Corporation, Bloomington, Mn., Allan Block Retaining Walls, pp. 1-4 and two inserts, 1990.
Stone Wall, Lanscape Retaining Wall System, pp. 1-4 and one insert, Circa. 1990.

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