Patent ID: 9605388
Date: 2017-03-28
CPC Classifications: E01C,E01F,E04F,H05K

Claim:
1. A detectable warning tile, comprising: a generally planar tile base being formed as a single integral and continuous piece, the tile base having an upper surface and a lower surface, said upper surface having formed thereon a plurality of detectable warnings upwardly projecting therefrom, said tile having two side edges for alignment with corresponding side edges of other tiles, and front and rear edges; wherein all detectable warnings have substantially same base portion dimensions, and said upper surface includes a first area formed free of said detectable warnings, said first area having a width and length each greater than two times the largest base dimension of the detectable warnings, and said first area contains at least one channel or frame structure that is adapted to receive at least one insertable piece that can be replaced in said at least one channel or frame structure, the channel or frame structure extending a distance less than the distance between the two side edges of the generally planar tile base, said at least one insertable piece being an insert of a same or different material from the material of the generally planar tile base; wherein the detectable warnings are truncated domes.