Portable greenhouse structure and method and apparatus for assembling same
US6499260B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Feb 23, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/25
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a portable greenhouse structure comprising a base in the shape of a right-polygonal cylinder having a top and a bottom, wherein the base comprises a plurality of wall panels connected along abutting edges; a hemispherical roof attached to the top of the base, wherein the hemispherical roof has a polygonal hole in the apex thereof; and a polygonal panel having the same shape as the polygonal hole, wherein the polygonal panel is moveable between an open position and a closed position, and wherein the polygonal panel sealably covers the polygonal hole when in the closed position. The present invention also provides an apparatus for joining a first panel to a second panel along abutting edges thereof, the apparatus comprising a first extrusion attached to the abutting edge of the first panel, wherein the first extrusion comprises a stem which projects away from a plane of the panel and has a panel side and a mating side; a second extrusion attached to the abutting edge of the second panel, wherein the second extrusion comprises a stem which projects away from a plane of the panel and has a panel side and a mating side; and a clamp which holds the stem of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.