Scaffolding ascent apparatus
US4807719A · kind A · utility
9Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1988 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jul 20, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G5/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for ascending scaffolding (10). The apparatus includes a ladder (24) having an inner upright (26) which is pivotally mounted with respect to an upright (20) of an end frame (12) of the scaffolding (10). The ladder (24) is disposed for pivoting between a retracted position, wherein the latter (24) overlies the end frame (12) of the scaffolding (10) to which it is attached, and an extended position, wherein the ladder (24) is pivoted, typically, 180.degree. relative to the retracted position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.