US Patent No. 9,832,907

SKELETON UNIT AND SKELETON UNIT ASSEMBLY


Patent No. 9,832,907
Issue Date November 28, 2017
Title Skeleton Unit And Skeleton Unit Assembly
Inventorship Haifeng Pan, Shanghai (CN)
Xiaoping Chen, Shanghai (CN)
Assignee SHANGHAI PUHE TECHNOLOGY CO., LTD., Shanghai (CN)

Claim of US Patent No. 9,832,907

1. 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 first two adjacent parallel strips are in an alignment with a bottom surface of the main body section, and top parts
of 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.