Modular metal fencing and gratings employing novel fastening means for reduction of assembly time
US5454548A · kind A · utility
41Cited by
16References
4Claims
0Family size
Inventor
Key dates
| Filing date | Feb 25, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Feb 25, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2011/1889
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for joining tubular members at right angles for use in the construction of a rail and pole metal fence or grating, in which the poles are inserted through pre-punched multi-sided clearance holes in the rails and are secured in the clearance holes by a coupling bar that engages slots in the slides of the poles as it is inserted longitudinally inside the rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.