Patent ID: 8511654

Claim:
A drop-in grid base for supporting coil units, the drop-in grid base comprising: a grid foundation including: (1) a plurality of plastic tubes; (2) a plurality of plastic-covered wire profiles; and (3) a plurality of cross wires, each of the plurality of cross wires intersecting at least one of the plurality of plastic tubes and at least one of the plurality of plastic-covered wire profiles, wherein the plurality of plastic tubes, plurality of wire profiles, and plurality of cross wires are arranged in substantially the same plane; and at least one base wire interwoven in substantially the same plane as the grid foundation, wherein the at least one base wire includes one or more notches for engaging one or more of the plurality of plastic-covered wire profiles, and further wherein at least one end of the at least one base wire is configured to engage against a frame, wherein the at least one base wire is interwoven in substantially the same plane as the grid foundation by being positioned directly above the plurality of plastic tubes relative to the plane of the grid foundation and positioned directly below the plurality of plastic-covered wire profiles relative to the plane of the grid foundation.