Trench drain assembly
US7967523B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2008 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Dec 29, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F3/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trench drain assembly including a flow channel and a frame for supporting the channel in a trench. Sidewalls of the frame have a gradually increasing height between ends of the frame so that the frame creates a gradual slope for the assembly to properly drain. In addition, sidewalls of the frame include spaced lugs that extend outwardly and sidewalls of the channel include spaced lugs that extend inwardly to create an interference fit with the lugs of the frame so that the channel can be easily attached to the frame. During assembly, the frame is lowered onto the channel so that the lugs of the frame are received between the lugs of the channels and the frame is then slid with respect to the channel until the lugs of the frame are positioned below the lugs of the channel to secure the frame to the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.