Lever for adjusting tilt of chair - is hinged to support structure and has a guide slot in arm at front of seat

摘要

The pivoting office chair, has the seat (2, 3) hinged to a support structure (6) fixed to the leg and adjustable for tilting by a hand-operated lever (9, 11). The lever (9, 11) is hinged to the support structure (6) and has a guide arm (14) positioned at the front of the seat (2, 3). The end (11) of the lever has an operated handle (12) in front of the guide arm. The guide piece (14, 14') consists of a slot in the bottom of a projecting arm (15) of a section (3) of the seat (2, 3).