Patent ID: 6942005
Filing Date: 2005-09-13
Classification: E04H

Abstract:
1. An apparatus, comprising: a first frame member; a first membrane removably attachable to the first frame member; a second membrane having a first end, a second end, and a perimeter; a second frame member being formed from a flexible twistable material, the second frame member coupled to the second membrane, the second frame member having a first shape being substantially curved when the second frame member is in a curved configuration and a second shape being substantially planar and defines an area less than an area of the first shape when the second frame member is in a collapsed configuration; a tension member coupled to the second membrane, the tension member being dimensioned such that the second frame member is in the curved configuration; and an extension member coupled to at least one of the tension member and the second membrane and configured to maintain an orientation of the second frame member, when the second frame member is in the curved configuration, the second frame and the second membrane together formable as an enclosure disposed over at least a portion of the first membrane.