Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent
1982-08-16
1984-12-25
Kundrat, Andrew V.
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
405286, 52567, E02D 2902, E04C 104
Patent
active
044900759
ABSTRACT:
An interlocking block and a retaining wall system derived from such blocks wherein the blocks when arranged to extend in horizontal courses in end to end relation and one upon the other in interlocking overlapping wall defining relation automatically uniformly incline to the vertical, such interlocking block having an axis terminating in spaced apart end walls and bounded by generally flat top and bottom walls arranged in parallel relation to each other and by front and rear facings extending from end wall to end wall and so spaced apart as to provide a substantially uniform cross-section throughout the axial extent of same, the block having an axially extending projection upstanding from the top wall and the bottom wall having an axially extending recess formation of a configuration and extent to match the projection, the projection being spaced inwardly from the front facing to present an uninterrupted flat top wall portion therebetween and rearwardly in relation to the axis a selected extent exceeding that of the recess whereby when such blocks are disposed in horizontal courses one upon the other to present the projection upwardly each overlying horizontal course is automatically uniformly set back from the next below horizontal course and thereby define a uniformly inclined wall structure.
REFERENCES:
patent: 1733790 (1929-10-01), Gilman
patent: 1907053 (1933-05-01), Flath
patent: 2094167 (1937-09-01), Evers
patent: 2197960 (1940-04-01), Alexander
patent: 2371201 (1945-03-01), Wells
patent: 4314431 (1982-02-01), Rabassa
Risi Angelo
Risi Antonio
Green Weldon F.
Kundrat Andrew V.
Stodola Nancy J.
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