Patent ID: 6918198
Filing Date: 2005-07-19
Classification: A43B,B29D

Abstract:
1. An article of footwear comprising: an upper having a peripheral wall with a bottom end that defines a bottom opening, and an insole that covers said bottom opening and that is connected to said bottom end of said peripheral wall; an outsole spaced apart from and vertically aligned with said insole, having a horizontal base, and formed with a plurality of studs that project from said horizontal base toward said insole; and an air cushion sandwiched between said insole and said outsole and including a top wall that is bonded to said insole and that has a peripheral edge, a bottom wall that is bonded to said outsole and that has a peripheral edge, and a cushion peripheral wall that interconnects said peripheral edges of said top and bottom walls, and that cooperates with said top and bottom walls to confine an air chamber thereamong, said bottom wall having a horizontal wall portion that is bonded to said horizontal base of said outsole, and a plurality of grooves, each of which is confined by a groove-confining wall that extends inwardly from said horizontal wall portion into said air chamber, each of said studs extending into a respective one of said grooves and having an outer surface that conforms and that is bonded to said groove-confining wall.