Folding chair for reception and conference, has offset units maintaining clearance between backrest frames and base frames for housing upper extension at folding end with respect to backrest frames

摘要

The chair has offset units including a joint (11) to swivel base frames with respect to backrest frames (1). Each base frame includes an oblong aperture (12) to slide a sliding part of an upper extension along the base frame. The offset units maintain a clearance between the backrest frames and the base frames for housing the upper extension at a folding end with respect to the backrest frames.