A modular tile configured to interlock with multiple tiles to form a modular floor covering over a floor. The tile includes a top surface having a periphery defining side walls extending downward from the top surface, the side walls having a coupling portion configured to couple with other tiles adj
A modular tile configured to interlock with multiple tiles to form a modular floor covering over a floor. The tile includes a top surface having a periphery defining side walls extending downward from the top surface, the side walls having a coupling portion configured to couple with other tiles adjacent thereto to form the modular floor covering. The tile also includes a bottom side, opposite the top surface, having a support grid including an array of downward extending polymeric post structures, at least some of the post structures including at least one resilient end portion with a radial end surface configured to be positioned against the floor to facilitate controlled deflection of the post structures. The post structures may comprise primary and secondary post structures, with the secondary post structures limiting the deflection of the primary post structures.
대표청구항▼
1. A tile configured to form a floor covering over a floor, the tile comprising: a top surface;a bottom side, opposite the top surface; anda support grid for elevating the top surface above the floor, the support grid comprising: a plurality of primary support legs extending downward from the bottom
1. A tile configured to form a floor covering over a floor, the tile comprising: a top surface;a bottom side, opposite the top surface; anda support grid for elevating the top surface above the floor, the support grid comprising: a plurality of primary support legs extending downward from the bottom side and contacting the floor, the plurality of primary support legs facilitating resilient deflection in a bi-lateral direction under an applied load to the top surface; anda plurality of secondary support legs disposed apart from the primary support legs that limit the deflection of the deflecting primary support legs, wherein the plurality of secondary support legs are shorter than the plurality of primary support legs,wherein the primary support legs further comprise an upper portion and a lower portion wherein the end portion is configured to resiliently deflect against the floor to provide an upward spring force and wherein the end portion has an elongated width for facilitating deflection of the end portion in a bi-lateral direction in response to the applied load and wherein the end portion of a first primary support leg is oriented in a different direction to an end portion of a second primary support leg to deflect in at least two bi-lateral directions. 2. The tile of claim 1, wherein the end portion comprises two end portions extending downward from each upper portion to contact the floor. 3. The tile of claim 2, wherein said two end portions of the first primary support legs are oriented to controllably deflect in a first bi-lateral direction and two end portions of a second primary support leg are oriented to controllably deflect in a second bi-lateral direction. 4. The tile of claim 1, wherein the primary support legs taper downwardly toward an end of the support legs in at least one plane. 5. The tile of claim 1, wherein the at least two bi-lateral directions are transverse one to the other. 6. The tile of claim 1, wherein the secondary support legs terminate at a distance above the floor so as to contact the floor only upon deflection of the primary support posts in response to an applied load equal to or greater than a threshold load. 7. The tile of claim 6, wherein the secondary support legs are adapted to resiliently deflect in response to an applied load substantially greater than the threshold load. 8. The tile of claim 1, further comprising side walls having a coupling portion configured to couple with other tiles adjacent thereto to form a modular floor covering. 9. A tile configured to form a floor covering over a floor, the tile comprising: a top surface;a bottom side, opposite the top surface;a plurality of primary post structures having upper portions tapering downward from the bottom side into two end portions configured to contact the floor and form a primary support grid to support the top surface above the floor; anda plurality of secondary post structures being spaced apart from the primary post structures and terminating at a distance above the floor so as to contact the floor only upon deflection of the primary support posts in response to a load applied to the top surface. 10. The tile of claim 9, wherein the end portions are configured to resiliently deflect against the floor in response to the applied load to provide an upward spring force. 11. The tile of claim 9, wherein the primary post structures have an elongated width for facilitating deflection of the end portions in a bi-lateral direction in response to the applied load. 12. The tile of claim 11, wherein a first primary post structure is oriented to controllably deflect two end portions of the first primary post structure in a first bi-lateral direction and a second primary post structure is oriented to controllably deflect two end portions of the second primary post structure in a second bi-lateral direction. 13. The tile of claim 12, wherein the first and second bi-lateral directions are transverse one to the other. 14. A modular floor tile system, comprising: a floor;a plurality of floor tiles adapted for placement about the floor, each of the floor tiles comprising: a top surface configured to receive and distribute a load, and to deflect under the load;a bottom side opposite the top surface;a grid of primary post structures tapering downward from the bottom side to at least one end portion configured for substantially continuous contact with the floor, the primary posts structures having an elongated width facilitating resilient deflection of the at least one end portion in a bi-lateral direction in response to the load; anda plurality of secondary post structures extending downward from the bottom side and interspaced with the primary post structures, the secondary post structures being spaced apart from and having a different height than the primary post structures, and including at least one end portion configured to contact the floor and support the top surface only upon the deflection of the primary post structures,wherein the plurality of secondary post structures limits the deflection of the primary post structures and the top surface. 15. The system of claim 14, wherein a first primary post structure is oriented to controllably deflect two end portions of the first primary post structure in a first bi-lateral direction and a second primary post structure is oriented to controllably deflect two end portions of the second primary post structure in a second bi-lateral direction. 16. The system of claim 15, wherein the first and second bi-lateral directions are transverse one to the other. 17. The system of claim 14, wherein the primary post structures taper downward to terminate into two separate end portions. 18. The system of claim 14, further comprising side walls having a coupling portion configured therewith to couple with other tiles adjacent thereto to form a modular floor covering and wherein the plurality of secondary post structures are configured to deflect under an applied load. 19. A method of forming an impact-absorbing synthetic flooring system over a base surface, comprising: obtaining a plurality of modular synthetic floor tiles, each floor tile comprising: a top surface;a bottom side, opposite the top surface; anda support grid for elevating the top surface above the base surface, the support grid comprising: a plurality of primary posts extending downward from the bottom side and contacting the base surface facilitating resilient deflection in a bi-lateral direction under an applied load to the top surface; anda plurality of secondary posts spaced apart from the primary posts that limit the deflection of the deflecting primary posts;placing a first synthetic floor tile over the base surface; andcoupling at least one second synthetic floor tile to the first synthetic floor tile to form a synthetic flooring system. 20. The method of claim 19, wherein the plurality of secondary posts terminate at a distance above the base surface when the tile is in an unbiased state. 21. The method of claim 19, wherein the plurality of primary posts further comprise two end portions extending downward from the upper portion to contact the base surface. 22. The method of claim 21, wherein a first primary post structure is oriented to controllably deflect two end portions of the first primary post structure in a first bi-lateral direction and a second primary post structure is oriented to controllably deflect two end portions of the second primary post structure in a second bi-lateral direction. 23. The method of claim 19, wherein the plurality of primary posts taper downwardly toward an end portion of the primary post in at least one plane. 24. A method of absorbing a load applied to a floor tile, comprising: applying a load to a top surface of the floor tile;deflecting at least one of a plurality of primary posts, wherein each of said primary posts comprises an upper portion extending downward from a bottom side of the floor tile and an end portion extending downward from the upper portion and contacting a base surface;limiting deflection of the at least one of the plurality of primary posts with a secondary post structure, said secondary post structure being shorter than the primary post structure and being spaced apart from the primary post structure; andreleasing the load applied to the floor tile to allow the deflecting primary post to return to an undeflected state. 25. The method of claim 24, wherein a threshold load applied to the floor tile causes the at least one primary post to sufficiently deflect so that the at least one secondary post contacts the base surface. 26. The method of claim 25, further comprising substantially increasing the applied load above the threshold load until the at least one secondary post also deflects resiliently under the applied load. 27. The method of claim 25, wherein at least four secondary post structures are positioned adjacent to at least one primary post structure. 28. The method of claim 25, wherein at least one secondary post structure is positioned adjacent to four primary post structures.
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