Adaptable roof system
US7520091B2 · kind B2 · utility
16Cited by
121References
21Claims
0Family size
Inventor
Key dates
| Filing date | Jul 9, 2004 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Sep 28, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B7/163
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bang-bang servo system controls motors which provide drive for trucks on each end of a fabric support beam structure. A plurality of such truck/beam/fabric units comprise a retractable roof Separation of inner and outer truck guiding tracks/support platforms may be wide and somewhat variable. The radius of curvature of the inner and outer tracks may vary widely over the beam excursion path between open and closed roof conditions. Individual beam motion sequencing and stop position are commanded through a central control unit. These features allow great flexibility and adaptability in application of this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.