Free flow grating

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating

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Details

52177, E04C 242

Patent

active

040274519

ABSTRACT:
A grating having a plurality of grating strips in rigid spaced relationship. The upper and lower edges of each strip are relieved to define spaced recesses. Recesses in the lower edges are deeper than those in the upper edges and adjacent strips are longitudinally staggered to cause misalignment of the lower recesses.

REFERENCES:
patent: 1134032 (1915-03-01), Clarke
patent: 1180953 (1916-04-01), Steckenreiter
patent: 2384303 (1945-09-01), Heath
patent: 2645985 (1953-07-01), Beebe et al.
patent: 2668484 (1954-02-01), Bustin
"Bustin Steel Products," Catalog, Nov. 1967, p. 51.

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