Patent ID: 6799338
Filing Date: 2004-10-05
Classification: A47D,Y10S

Abstract:
A portable playyard, comprising:a top frame including an inflatable top boundary frame, having an air cavity, defining a top opening therewithin; a bottom frame positioning underneath said top frame, wherein said bottom frame comprises an inflatable bottom boundary frame having an air compartment, a circumferential size larger than that of said top boundary frame, and a bottom wall mounted within said bottom boundary frame; a plurality of inflatable supporters having a top portion spacedly connected to said top boundary frame and a bottom portion spacedly connected to said bottom boundary frame so as to spacedly bridging said top and bottom frames and defining an interior space between said top and bottom frames, wherein each of said inflatable supporters, having an air chamber, outwardly and inclinedly extends from said top frame to said bottom frame to define an interior adjacent angle and an exterior adjacent angle, wherein each of said inflatable supporters has a tubular shape and a cross section gradually reduced from said top portion to said bottom portion, wherein said cross section of each of said inflatable supporters, which is larger than cross sections of said top boundary frame and said bottom boundary frame, is gradually increased from said top portion to said bottom portion of said inflatable supporter, wherein said interior adjacent angle is defined between an interior peripheral edge of said respective inflatable supporter and said bottom frame and said exterior adjacent angle is defined between an exterior peripheral edge of said respective inflatable supporter and said bottom frame, wherein said both said interior adjacent angle and said exterior adjacent angle are smaller than 90 degrees and said exterior adjacent angle is smaller than said interior adjacent angle; a boundary shelter supported by said top frame to surround said interior space and define a playyard cavity within said boundary shelter, said top frame, and said bottom frame; and at least an air valve provided at said inflatable supporters for retaining a predetermined volume of air within said air chamber of each of said inflatable supporters.