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Structure composition

The seat is mainly composed of iron armrest, wooden armrest, writing board, backrest, seat cushion and connecting turning mechanism.

performance and characteristics

►►The backing board is made of wooden multi-layer plywood, which is durable, does not deform or crack. The back shell and seat shell are all molded by modified PP engineering polypropylene, which has the characteristics of corrosion resistance, aging resistance and easy cleaning.

►►The soft core of the seat is made of high-resilience cold foamed polyurethane and steel structure skeleton, with built-in "S" spring, foam density of 45kg/m3. The soft core of the seat back is made of high-quality high-resilience sponge sheet. The seat feels comfortable. The seat number can be installed outside the seat cushion. The seat number can be selected from fluorescent and non-fluorescent.

►►The seat back is a fixed backrest, and the fixed backrest connection structure is 2mm thick high-strength steel plate stamping and forming, which is durable and not deformed.

►►The backrest tilt is provided with three adjustable gears.

►►The overturning mode of the seat cushion adopts a gravity rebound device, the counterweight body and the seat frame are welded into one body, and there is no risk of falling off, and the seat cushion returns to its position accurately, smoothly and with minimal noise.

►►The seat armrest is stamped, bent and welded by rolled steel strip. The lower anchor is stamped and formed by a 2mm thick steel plate mold. The anchor fixing hole is 242mm apart. The armrest is equipped with side plates, which are covered with cloth. The upper armrest is made of beech wood. The surface has been painted and polished for many times. It has the characteristics of high strength, beautiful appearance and generous, solid and beautiful.

►►This seat can be assembled with two kinds of wooden and plastic writing boards. The turning mechanism of the writing board is high-strength die-casting aluminum molding, and the structure is stable.

►►All metal surfaces of the seat are subject to sandblasting and rust removal, followed by electrostatic powder spray coating for rust prevention.

►►The seat automatic rebound shaft adopts 45# high-quality steel rotating shaft, and the shaft frame and shaft sleeve are high-strength nylon injection molded parts.

►►Seat fabric a variety of colors, varieties for customers to choose and do flame retardant treatment, its combustion performance can reach B1 level flame retardant standard.

►►All connecting fasteners (bolts, nuts, self-tapping nails, rivets, etc.) are made of national standard parts, and the surface is galvanized or blackened for rust prevention.

Technical parameters

Chair height

94cm

Center distance of row chair

56-58cm

seat height

45.5cm

Recommended minimum row distance

90cm

Armrest height

61cm

Minimum Length

58cm

Maximum length

88cm

foam density

45kg/m3

Seat depth

44cm

Maximum Seat Load

150kg

back width

46cm

Number of seat flips

200000 times

 

wireframe diagram 

Note: ① The unit of the appearance size shown in the figure is mm, and the individual data of the actual product may have an error of about ± 10mm.
② The elevation shown in the figure is the middle elevation, and the difference between the top of the two adjacent backrests is about 50mm.

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The seat is mainly composed of iron armrest, wooden armrest, writing board, backrest, seat cushion and connecting turning mechanism. The backing board is made of wooden multi-layer plywood, which is durable, does not deform or crack. The back shell and seat shell are all molded by modified PP engineering polypropylene, which has the characteristics of corrosion resistance, aging resistance and easy cleaning.

Classification


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