Portable stage with telescopic stage sections
US4934113A · kind A · utility
29Cited by
4References
5Claims
0Family size
Inventors
Key dates
| Filing date | Sep 28, 1988 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Sep 28, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H3/123
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides a portable stage riser comprising a plurality of individual stage sections at different heights. The stage sections are telescopically interconnected with one another by a track system for sliding from a collapsed to an extended position. The stage when collapsed is tipable on to its back surface which is reinforced with a dolly receiving guide for upright storage of the stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.