Variable height fold and roll staging and method of assembling same
US6014936A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1998 |
| Grant date | Jan 18, 2000 |
| Priority date | — |
| Expiry date | Jul 27, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H3/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A variable height staging for forming a staging surface for presentations or performances by orators, singers, dancers, actors and others who may appear on a stage. The staging of the invention can be assembled to form staging surfaces of variable height. The variable staging can be assembled to form staging surfaces of more than three different heights. The variable staging includes at least one platform panel and a cross brace member having at least one caster attached thereto. A slot and groove assembly comprised of at least one plate, a slot or track and at least one groove for engaging a cross pin is pivotally attached to the cross brace member. The variable staging further includes at least two cross legs; one of the cross legs has a support end and a pivot end attached to the bottom surface of the platform panel and the other cross leg has a support end and a locking end that is engaged by the slot and groove assembly. The cross legs are attached to each other at a center point. The cross legs may be further connected together by a telescoping arm connected between them. The relationship between the cross legs about their center point determines the height of the variable st…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.