Collapsible structure with top supporting elements
US7137399B1 · kind B1 · utility
Inventors
Key dates
| Filing date | May 13, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | May 13, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H15/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention is a collapsible structure comprising a plurality of panel elements, each having a coilable frame element and flexible material attached to the frame element. The panel elements are joined to define an enclosure having a roof portion and a bottom perimeter. The bottom perimeter rests on a supporting surface. The structure has at least one roof support rod having a first end and a second end. The first end of the at least one roof support rod is attached to a first location on the bottom perimeter, and the second end of the at least one roof support rod is attached to a second location on the bottom perimeter. The at least one roof support rod is in supporting contact with the roof portion of the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.