Device for turnable windows
US6598346B1 · kind B1 · utility
Inventor
Key dates
| Filing date | May 2, 2000 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | May 2, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for turnable windows including a frame having a first side face and a second side face, each of the side faces of the frame including a longitudinal groove; a casement having a first edge side face and a second edge side face, the casement being pivotally mounted within the frame by pivots positioned at mid-points of the casement and a link-arm mechanism extending between a respective pivot and the frame, each of the first edge side face and the second edge side face including a first guide bushing and a second guide bushing. The first and second guide bushings of each of the edge side faces travel in a respective one of the grooves. A rotatable lever simultaneously extends or retracts one of the pair of first guide bushings or the pair of second guide bushings into or out of engagement with their respective grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.