Grate riser assembly for use with catch basins and the like

Details Grate riser assembly for use with catch basins and the like Grate riser assembly for use with catch basins and the like

1991-11-22

1994-06-14

Dorner, Kenneth J.

Road structure, process, or apparatus

Drain or gutter

With conduit support means

404 26, E01C 1122, E02D 2914

Patent

active

053204450

ABSTRACT:
An improved grate riser assembly for use with catch basins and the like comprising vertically open rectangular frames with two opposing frame sections carrying inwardly projecting horizontally grate support flanges. Cooperating grates have opposite end portions of parallel spaced apart grate members resting on the flanges. The grate riser assembly includes two or more grate risers having vertically open generally rectangular frames coextensive with a catch basin frame and with opposing vertical side and end wall sections of a height substantially equal to the depth of pavement overlay. The frame rests atop a catch basin frame with its top edge substantially level with the top surface of the pavement overlay. At least two horizontally spaced connectors depend from each of two opposing grate riser frame sections to support a pair of elevated horizontal grate support members. The connectors on one frame section are spaced widely apart and on the other frame section narrowly apart. The grate support members have notches therein for receiving vertically the connectors associated with the opposite support member. The second grate riser is rotated through 180.degree. so that the notches thereon receive the connectors of the grate riser therebeneath. The grate is disposed within the second grate riser so as to accommodate a second pavement overlay.

REFERENCES:
patent: 4121390 (1978-10-01), Hall et al.
patent: 4544302 (1985-10-01), Farrelly
patent: 4593714 (1986-06-01), Madded
patent: 4909660 (1990-03-01), Ferns
patent: 4955752 (1990-09-01), Ferns
patent: 4968170 (1990-11-01), Wilson et al.

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