Couch or chair which can be transformed into a bed

摘要

The seat furniture has a seat cushion (2) that is articulated with respect to a furniture frame (1). An additional cushion (3) is arranged below the seat cushion. The parallelogram grabs (4,5) and springs (12,13) are arranged for pivoting of seat cushion and for lifting of additional cushion. One end of parallelogram grabs are connected to seat cushion and another end of parallelogram grabs is connected to angle sections (7,8) provided at furniture frame. The angles sections are engaged with additional cushion via lugs (9,10) and springs respectively.