Window hinges
US3979791A · kind A · utility
4Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1975 |
| Grant date | Sep 14, 1976 |
| Priority date | — |
| Expiry date | Jul 7, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/148
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hinge for windows is provided which enables windows to be pivoted through 180.degree.. The hinge has a common pivot member associated with a friction brake the frictional resistance of which increases after a predetermined initial hinging movement to render operation of the window more manageable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.