# US 2017/0064861 A1 · Skeleton unit and skeleton unit assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0064861 A1 - Document ID: US20170064861A1 - Status: Published application - Kind: A1 - Application number: 15/119,710 - Filed: 2014-03-31 - Published: 2017-03-02 - Earliest claimed: 2014-03-31 - Assignees: Shanghai Puhe Technology Co., Ltd.; Shanghai Electrician Industry & Commerce Co., Ltd. - Applicants: Shanghai Puhe Technology Co., Ltd.; Shanghai Electrician Industry & Commerce Co., Ltd. - Inventors: HAIFENG PAN; XIAOPING CHEN - Web page: https://patentgrep.com/patent/US20170064861A1 ## CPC - H05K 7/183: {support rails therefor} - E04C 2/421: {made of bar-like elements, e.g. bars discontinuous in one direction} - H02B 15/04: consisting of building blocks - E04F 15/02: Flooring or floor layers composed of a number of similar elements (of webs E04F15/16) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - E04C: STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S) - H02B: BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) ## Abstract A skeleton unit to mount mosaic plates, includes a main body section and an extension section. The main body section is integrally formed by strip pieces perpendicularly crossing each other to provide a grille shape. The extension section extends out from four edges of the main body section and is integrally formed with the main body section. The extension section includes prolongation pieces which respectively extend out from both ends of each strip piece, and parallel strips which connect with the outside ends of each prolongation piece on the same side and are in parallel with the edges of the main body section respectively. The parallel strip has lap joint hole portions, which penetrates the parallel strips and are used to overlap another skeleton unit. The sum of double the length of the prolongation piece and the width of the parallel strip is equal to the length of the grid. ## Claims ### Claim at position 1 1-9. (canceled) ### Claim 10 A skeleton unit to mount a plurality of mosaic cover plates, comprising: a main body section, which is integrally formed by a plurality of strip pieces perpendicularly crossing each other to present a grille shape, comprising a plurality of grids with a size and a shape corresponding to the mosaic cover plates; an extension section, which extends out from four edges of the main body section and is integrally formed with the main body section, the extension section comprises a plurality of prolongation pieces which respectively extend out from both ends of each strip piece, and a plurality of parallel strips which connect with outside ends of each prolongation piece on a same side and are in parallel with the edges of the main body section, respectively; wherein a length of a parallel strip is equal to a length of a strip piece, a height of the parallel strip is less than half a height of the strip piece; wherein a first two adjacent parallel strips are in an alignment with a bottom surface of the main body section, and top parts of a second two adjacent parallel strips are fixed at positions close to a top surface of the main body section; wherein the parallel strip is provided with a plurality of lap joint hole portions penetrating the parallel strips and are used to overlap another skeleton unit; and wherein a sum of twice a length of a prolongation piece and a width of the parallel strip is equal to a length of a grid. ### Claim 11 (depends on 10) The skeleton unit according to claim 10, wherein lengths of the first and second two adjacent parallel strips are equal. ### Claim 12 (depends on 10) The skeleton unit according to claim 10, wherein a length of one of the first and second two adjacent parallel strips is double or threefold as a length of the other adjacent two parallel strips. ### Claim 13 (depends on 10) The skeleton unit according to claim 10, wherein the main body section is provided with a plurality of thread fixation holes respectively penetrating at positions where two strip pieces perpendicularly cross each other. ### Claim 14 (depends on 10) The skeleton unit according to claim 10, wherein said plurality of the lap joint hole portions on said each parallel strip penetrates respectively at positions corresponding to the prolongation pieces. ### Claim 15 (depends on 10) The skeleton unit according to claim 10, wherein each lap joint hole portion is provided with a lap joint hole, each lap joint hole on the first two adjacent parallel strips is a threaded hole, and each lap joint hole on the second two adjacent parallel strips is a through-hole. ### Claim 16 (depends on 15) The skeleton unit according to claim 15, further comprising a plurality of fastening assemblies to connect the skeleton unit to another skeleton unit, each fastening assembly is a screw and nut assembly comprising a screw which penetrates the through-hole and screws into the threaded hole, and a screw nut which screws and fastens the screw on outside of the threaded hole; and wherein the top parts of the second two adjacent parallel strips are fixed at a position that is a predetermined distance away from the top surface of the main body section, the predetermined distance being not less than a thickness of a head of the screw. ### Claim 17 (depends on 10) The skeleton unit according to claim 10, wherein the main body section is formed by the perpendicularly crossings of at least three strip pieces in a horizontal direction and at least three strip pieces in a vertical direction to present the grille shape, and the main body section comprises at least four grids with the size and the shape corresponding to the mosaic cover plates. ### Claim 18 (depends on 10) A skeleton unit assembly to mount a plurality of mosaic plates, comprising: at least two skeleton units according to claim 10; a plurality of fastening assemblies to connect each two adjacent skeleton units; and wherein said at least two skeleton units connect to each other by overlapping between the first two adjacent parallel strips and the second two adjacent parallel strips.