Patent ID: 6860073

Claim:
A structure of a combinative interlocking board comprising a middle region and two side regions, said middle region having a plurality of piping passages which includes a male engaging seat and a female engaging seat with an actuating opening, an actuating board mounted to said actuating opening, an outer edge of said actuating opening being provided with a plurality of locking holes for mounting of another one of said board either vertically or horizontally, corners of said board being provided with a water-proof device and a water-proof slot, said two side regions being provided with screw hole tubes, said screw hole tubes having an upper and lower sections provided with screw threads for mounting of screws, corners of said board being each provided with an opening having a board bonding device provided with bonding holes for mounting of a decorative panel, locking holes for securing an interlocking plate and securing holes, a plurality of screw rods passing through said locking holes and said board being secured with an interlocking plate, four corners of said board being mounted by said interlocking plate at a top and bottom thereof, said four corners of said board being each provided with an opening, and said opening being provided with a locking plate for connection of said board.