Adjustable Student Chair for School Use - Ergonomic Design for Learning

The chair is made on a metal frame made of thin-walled steel pipes of rectangular cross-section 28x25x177 28x25x1, 5 and 32x29x1, 5 mm. The frame is a telescopic construction, its height can be can be set in three positions, secured with with four M6 screws. Metal frame is painted with a protective polymer-powder enamel.

The pipe ends are covered with plastic plugs. The seat and backrest are made of volumetrically moulded bent-glued plywood (birch veneer) 9 mm thick with spherical squeeze on the seat and ergonomic curve on the backrest. on the backrest.

The shape of the seat and backrest favours posture preservation. The backrest and seat are covered with environmentally friendly polyurethane colourless varnish, which is odourless. The connection of the frame with plywood is riveted.

4, 8?18. The chair is manufactured in two height groups in three adjustment ranges (4, 8x18 rivets). groups in three ranges of regulation (3- 5, 5-7).