Switching facility for crossed paths
US8245647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2010 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Feb 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67736
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A path switching facility for crossed paths comprises: at least one article transport vehicle configured to travel along a first path and a second path that crosses the first path; a guide rail for guiding a guided roller of the article transport vehicle; a travel rail for guiding and supporting travel wheels of the article transport vehicle; a rotatable guide rail and a rotatable travel rail both located in a crossing area; a push operating portion provided to the article transport vehicle to push one of the rotatable guide rail and the rotatable travel rail; and, an operatively connecting device for coupling a rotation of the rotatable guide rail with a rotation of the rotatable travel rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.