Ready-to-install road building apparatus and corresponding...

Details Ready-to-install road building apparatus and corresponding... Ready-to-install road building apparatus and corresponding...

2006-07-25

2006-07-25

Addie, Raymond W. (Department: 3671)

Road structure, process, or apparatus

Pavement

Vault cover-closure

C052S019000

Reexamination Certificate

active

07080954

ABSTRACT:
An apparatus for covering a ditch includes a cover and girders having rabbets with projecting edges and flat-lying edges, the cover being placed on the rabbets. The apparatus has, before it is set up, a configuration for installation including one or several bars passing through lower webs of the girders and fixed to the girders and to the cover to maintain their final configuration, and level adjusting screws in edges of the girders defining a polygon providing stable support.

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