|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||005/417; 005/419; 005/420|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 16 인용 특허 : 95|
A collapsible apparatus includes a frame member being formed from a flexible twistable material, a first membrane and a second membrane, and a cushion. The second membrane is removably attachable to the first membrane.
What is claimed is: 1. A collapsible apparatus comprising: a first membrane having a perimeter; a second membrane coupled to said first membrane proximate said perimeter; a frame member being formed from a flexible twistable material, said frame member being disposed between said first membrane and said second membrane; an inflatable bladder coupled between said first membrane and said second membrane; and a valve coupled to the inflatable bladder. 2. The collapsible apparatus of claim 1, wherein at least one of the first membrane or the second membr...