Patent ID: 6598366
Filing Date: 2003-07-29
Classification: E04F,H02G

Abstract:
A modular raised floor system comprising:a plurality of rectangular floor panels arranged in rows along first and second directions that are perpendicular to each other, each of said floor panels including a ground-engaging wall, four hollow projections extending upward from said ground-engaging wall and formed respectively at four corners of a respective one of said floor panels so as to define a cross-shaped groove among said projections, which has a first straight groove portion that extends in said first direction, and a second straight groove portion that extends in said second direction, each of said projections having a surrounding wall and a stepped top wall, which is formed with a rectangular top surface and an L-shaped strip-supporting surface that are horizontal, each of said L-shaped strip-supporting surfaces being below said top surfaces of said projections and having a pair of elongated first and second straight portions, each of which is formed with two threaded holes, and a cross-shaped, horizontal cable-supporting surface formed on said ground-engaging wall so as to define a bottom wall of said cross-shaped groove, said cable-supporting surface including a pair of elongated, intersecting first and second straight portions, each of which has two vertical positioning holes formed respectively in two ends thereof, said first straight portion of said cable-supporting surface being parallel to and being adjacent to said first straight portions of said L-shaped strip-supporting surfaces, said second straight portion of said cable-supporting surface being parallel to and being adjacent to said second straight portions of said L-shaped strip-supporting surfaces; a plurality of positioning members disposed in said cross-shaped grooves, each of said positioning members being formed with two fixed posts that project downward therefrom and that are inserted respectively into corresponding ones of said positioning holes in an adjacent pair of said floor panels so as to lock the adjacent pair of said floor panels relative to each other; a plurality of parallel, horizontal long cover strips, each of which extends on said first straight portions of said L-shaped strip-supporting surfaces of a respective row of said floor panels in said first direction so that said first straight groove portions of said cross-shaped grooves are covered entirely by said long cover strips, each of said long cover strips having a top surface that is generally flush with said top surfaces of said projections of said floor panels, two longitudinal rows of fastener holes that are formed respectively through two opposite sides of a respective one of said long cover strips, and a longitudinal row of cable holes that are formed through the respective one of said long cover strips and that are located respectively at centers of corresponding ones of said floor panels, each of said cable holes being in communication with said cross-shaped groove in a respective one of said floor panels; a plurality of first lock bolts, each of which extends through a respective one of said fastener holes in said long cover strips so as to engage a respective one of said threaded holes in said first straight portions of said L-shaped strip-supporting surfaces of said floor panels, thereby locking said long cover strips on said floor panels; a plurality of horizontal short cover strips extending on said second straight portions of said L-shaped strip-supporting surfaces of said projections of said floor panels in said second direction so that said cross-shaped grooves are covered entirely by said long and short strips, said long and short cover strips being located on a plane and being arranged in a net shape, each of said short cover strips having two longitudinal rows of fastener holes that are formed through two opposite sides thereof, and a top surface that are generally flush with said top surfaces of said projections of said floor panels; and a plurality of second lock bolts, each of which extends through a respective one of said fastener holes in a corresponding one of said short cover strips so as to engage a respective one of said threaded holes in said second straight portions of said L-shaped strip-supporting surfaces of said floor panels, thereby locking said short cover strips on said floor panels.