Grating

Details Grating Grating

1978-03-15

1978-11-21

Byers, Jr., Nile C.

Road structure, process, or apparatus

Drain or gutter

Street or curb inlet for surface drainage

52664, 210163, 404 2, E01C 1122

Patent

active

041264045

ABSTRACT:
A grating to cover a drain for a paved surface such as a road comprises a set of parallel bars interconnected by spacers. In the central part of the grating, adjacent pairs of bars each have only one spacer therebetween, the spacers being positioned alternately at opposite ends of the bars. This allows the grating to be compressed during insertion into a support frame so that, when the force causing such a compression is removed after insertion, lugs on the grating move into locking engagement with the frame.

REFERENCES:
patent: 699269 (1902-05-01), Wheeler
patent: 1360630 (1920-11-01), Fairtrace
patent: 2305955 (1942-12-01), Dudley
patent: 2473279 (1949-06-01), Crocker
patent: 2607455 (1952-08-01), Yellin
patent: 2938437 (1960-05-01), Daley
patent: 3797188 (1974-03-01), Mansfeld

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