Portable safety rail system
US5188342A · kind A · utility
37Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1992 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Jan 15, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/3238
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A safety rail system of roof edge protection employing support base units which include shoes for an upright post and a cantilever counterweight connector. The base units also include a toeboard saddle. The system components incorporate a number of releasably threaded lock pins and inspection ports to facilitate assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.