Seat with backrest having an adjustable or variable angle

摘要

Seat with backrest having an adjustable angle, and with locking or with mobile backrest of adjustable hardness. According to the invention, the seat comprises a base 11 and a rotating support 13 which is articulated to this base and on which is fastened the backrest; the position of the rotating support 13 with respect to the base 11 is determined by a controlled-locking means 31 and a pneumatic damper 50 is also connected between the base and the rotating support. Application to seats for offices. <IMAGE>