Structural members
US4350459A · kind A · utility
Inventor
Key dates
| Filing date | Feb 13, 1981 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Feb 13, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2200/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is disclosed an elongated extruded beam having three parallel channels including a center channel and two side channels facing outwardly at a right angle to the center channel. The sidewalls of the center channel form the bases of the side channels, and the inside width of the center channel is greater than the thickness of the beam. There is also provided a separate clip having a base and a rectangular leg normal thereto, both the base and rectangular leg are of width to be received in all channels and the leg is of length to extend above the channel sidewalls. If desired, one of the outward facing channels may be omitted from the beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.