Portable screen device
US7440187B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2004 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Aug 7, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B7/105
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A portable screen assembly includes: a casing having an opening extending in a longitudinal direction on the upper surface thereof, and formed by a pair of separable case members that extend in the longitudinal direction; a spring-biased roll rotatably mounted in the casing; a screen wound around the spring-biased roll in a storage position and extended from the opening in use; a top bar fixed to one end of the screen which is used as a cover body to close the opening in the storage position; and an extendable column having one end erectably pivoted from a center part of a side face of the casing to hold the screen in a stretched state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.