Static structures (e.g. – buildings) – Intersection of wall to floor – ceiling – roof – or another wall – Block type or modular panel type
Patent
1985-09-11
1987-03-24
Perham, Alfred C.
Static structures (e.g., buildings)
Intersection of wall to floor, ceiling, roof, or another wall
Block type or modular panel type
52220, 52591, 52594, E04C 110
Patent
active
046514856
ABSTRACT:
An interlocking building block system comprises a plurality of rectangular building blocks, each with longitudinal side surfaces, upper and lower longitudinal faces, and vertical end walls normal to the side surfaces and longitudinal faces. The upper longitudinal face of the blocks has a central longitudinal arcuate rib and a pair of transverse spaced arcuate ribs thereon. The transverse ribs extend laterally from the longitudinal rib to one of the side surfaces. Corresponding longitudinal and lateral transverse concave arcuate recesses in the lower longitudinal face mate with the ribs of an adjacent block when assembled. A pair of spaced vertical slots extend through the block inwardly of each end wall opposite to the transverse ribs and terminate tangentially to the longitudinal rib. One block may be placed on the intersection of two abutting blocks with one transverse rib from each lower block received in each transverse recess of the upper block and one vertical slot from each lower block in vertical alignment with the slots of the upper block. Corner blocks have a single vertical slot and a third transverse rib and recess opposite and coextensive with one of the pair of transverse ribs and recesses formed on the longitudinal faces.
REFERENCES:
patent: 1516473 (1924-11-01), Davis
patent: 3416276 (1968-12-01), Caputo et al.
patent: 3534518 (1970-10-01), Zagray
patent: 3818656 (1974-06-01), Vigliotti
patent: 3956862 (1976-05-01), Alexandre, Jr.
patent: 4314431 (1982-02-01), Rabassa
Mosely Neal J.
Perham Alfred C.
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