Window with sash capable of pivoting movement about two perpendicular axes

US3994093A · kind A · utility

Assignee

• Aug. Winkhaus · DE

Inventors

• Siegfried Mayer · Leinfelden, DE
• Paul Greisner · Telgte, DE

Key dates

• Filing date: May 29, 1975
• Grant date: Nov 30, 1976
• Expiry date: May 29, 1995

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E05Y2900/148
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

In a window whose sash may be swung in the window frame about hinges having a vertical axis or tilted in bearings about a horizontal axis, the sash and frame have dovetail grooves in which the hinge and bearing elements and other fittings can be installed by means of conforming mounting portions without tools or with simple hand tools.