US Patent 6901613 Dual-use playpen

A dual-use playpen includes a hollow body, a separating member, and a frame member. The hollow body has first and second open ends opposite to each other. The separating member is mounted in the hollow body between the first and second open ends so as to partition the hollow body into a first region having a first depth, and a second region having a second depth smaller than the first depth. The frame member includes a first frame portion framing the first open end, a second frame portion framing the second open end, and a plurality of connecting rods extending and connected between the first and second frame portions.