Covering of building's opening
US8819993B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 6, 2013 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Mar 6, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2800/102
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A window includes a frame, a rail module, and two sashes. The rail module includes a first rail, a second rail, and a pulley assembly. The first rail is fixed to the frame, and the second rail is able to turn. The second rail is turned to connect to the first rail so that the pulley assembly can slide in both the first and the second rails. The first sash is pivoted on the frame, and the second sash is hinged with the first sash and connected to the pulley assembly. The pulley assembly is moved to the second rail from the first rail to make the sashes fold up. After the second sash arrives at the second rail, one may turn the folded sashes totally off the window and attach them to a wall besides the window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.