Cover for in-ground meter enclosures used in traffic loading con

Details Cover for in-ground meter enclosures used in traffic loading con Cover for in-ground meter enclosures used in traffic loading con

1999-08-17

2000-09-12

Lisehora, James A.

Road structure, process, or apparatus

Pavement

Vault cover-closure

52 19, 137364, E02D 2914

Patent

active

061168130

ABSTRACT:
A cover for in-ground meter enclosures used in traffic loading conditions employs a relatively thin plate member formed of a ductile iron alloy and is dimensioned to extend laterally across a top opening of an in-ground meter enclosure. A plurality of relatively thick rib members of the ductile iron alloy are formed with and extend generally normal from the bottom side of the plate member. The plate member and the rib members together have sufficient strength and ductility to withstand total loads on the order of at least about 20,000 pounds on the top side of the plate member.

REFERENCES:
patent: 945753 (1910-01-01), Chamberlain et al.
patent: 1923481 (1933-08-01), Ford
patent: 3501874 (1970-03-01), Hahne
patent: 3920347 (1975-11-01), Sauriol et al.
patent: 5130016 (1992-07-01), Gavin
patent: 5282339 (1994-02-01), Devlin et al.
patent: 5864990 (1999-02-01), Tu

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