Projection-Top-Hung-Window (4-Point special hinges)
Sony Center, Berlin
- Width x Height = 2700 mm x 730 mm
- Sash-Weight = 120 kg
- Opening position = 35°

- Opening by 4-Point special hinges.
- Height adjustable sash +/- 3 mm.
- Operation, locking and releasing by bottom-positioned chain- and locking drives.
- Limiting of opening by chain drive.