Auditorium chair

Specification (mm): total length 1040mm, center distance 520mm, rear writing board height 750mm, seat height 430mm.

Material

The foot support frame, the writing plate holder and the writing board edge strip are integrally molded by aluminum alloy, and the back frame and the beam are made of 3.0 mm thick cold rolled steel.

The seat uses a slow recovery damping mechanism, no sound, no vibration, and the support point of the seat bracket is an aluminum alloy piece with a thickness of >9 mm.

The supporting part of the movable writing board, the two pieces are overlapped by 45mm, ensuring that the pressure on the writing board is 100 kilograms of bearing capacity, and the small plastic parts are set on the aluminum parts, and the key points are rubber particles to reduce friction and shock absorption.

The size of the sole is 300*100. The four-point lock can ensure that the soft ground is not loose, there is special pressure, and the foot cover has a common lock function.

The total height of the standing foot is 780mm and the height is 900mm. It ensures the stable size of the ladder classroom and the thickness of the standing foot is more than 5mm. It is a custom function for the on-site arc and step adjustment.

The seat and the back of the chair are respectively heat-pressed and laminated with a 16mm thick and 11mm thick wood splint.