Support for catch basin cover

Details Support for catch basin cover Support for catch basin cover

1990-07-31

1991-08-13

Britts, Ramon S.

Road structure, process, or apparatus

Pavement

Vault cover-closure

404 25, E02D 2914

Patent

active

050392484

ABSTRACT:
A peripherally adjustable insert is shown for raising the grade of a generally rectangular grating that previously was supported by the end sills of the frame and by the roadway-side longitudinal sill if the frame has one. The insert comprises a base having support elements, the base being adjustable in length and adapted to rest on said sills, and ledge and keeper elements supported by the base to seat the grating restrict its lateral movement. The support elements of the base comprise a pair of essentially parallel end elements and a pair of essentially parallel side elements, and the support elements being equipped with terminals that are joined to form these base elements generally into a rectangle. The rectangle includes spreader means such as turnbuckle bolts that form matched adjustable junctions between each terminal of at least one end support element and a terminal of each side support element for rendering said at least one end support element movable in the plane of the longer axis of the rectangular base.

REFERENCES:
patent: 4544302 (1985-10-01), Farrelly
patent: 4867600 (1989-09-01), Bowman
patent: 4963053 (1990-10-01), Bowman
patent: 4966489 (1990-10-01), Bowman

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