Patent ID: 8707524

Claim:
A double sided nylon sandwich mesh fabric zipper and slider assembly, said double sided nylon sandwich mesh fabric zipper comprising opposing left and right zipper tapes and upper and lower coil strips respectively stitched to opposing top and bottom sides of each of said two opposing left and right zipper tapes, wherein said upper and lower coil strips are left handed and right handed plastic coils, each comprising a center cord and a series of interlocking teeth, each tooth of said series of interlocking teeth having a substantially rectangular profile and comprising a tooth head and a tooth body, said tooth head and said tooth body configured that the tooth heads of said series of interlocking teeth of said upper and lower coil strips at one of said two opposing left and right zipper tapes are respectively interlockable with the tooth heads of the series of interlocking teeth of said upper and lower coil strips at the other of said two opposing left and right zipper tapes, said slider comprises a top guard plate, a bottom guard plate, a central partition plate connected between said top guard plate and said bottom guard plate and comprising a balance guide block and a plurality of guide grooves symmetrically bilaterally located on said balance guide block and configured to match with the configuration of the tooth heads of said interlocking teeth of said upper and lower coil strips, said top guard plate comprising a top wall, two opposing sidewalls, an upper chamber surrounded by the top wall and two opposing sidewalls of said top guard plate and two C-shaped guide grooves bilaterally formed in said upper chamber and configured to fit the configuration of said series of interlocking teeth of said upper and lower coil strips, and two escape grooves formed on the top wall of the top guard plate, said bottom guard plate comprising a bottom wall, two opposing sidewalls, a lower chamber surrounded by the bottom wall and two opposing sidewalls of said bottom guard plate and two C-shaped guide grooves bilaterally formed in said lower chamber and configured to fit the configuration of said series of interlocking teeth of said upper and lower coil strips and two escape grooves formed on the bottom wall of the bottom guard plate.