| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (tablet closed) | 590 x 660 x 1080 mm | |
|---|---|---|
| Overall depth (tablet open) | 792 mm | |
| Seat height above finished floor | 450 mm | |
| Seat usable depth | 460 mm | |
| Seat usable inner width | 505 mm | |
| Backrest height above seat | 630 mm | |
| Backrest panel thickness | 15 mm | |
| Writing tablet dimensions | 273 x 253 x 18 mm | |
| Seat panel thickness | 15 mm | |
| Cast aluminum pedestal floor span | 450 mm | |
| Minimum recommended row spacing | 950 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Single unit net weight | 40 kg | |
|---|---|---|
| Seat static load capacity | 160 kg | |
| Recommended user weight limit | 120 kg | |
| Seat return cycle rating | 50000 cycles | |
| Tablet pivot cycle rating | 30000 cycles | |
| Paint film abrasion resistance | 2000 cycles | |
| Warranty period for structural components | 6 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back outer shell | High-density hardwood multi-layer board, beech/walnut wood veneer, 6-coat PU paint | |
|---|---|---|
| Writing tablet surface | Solid oak hardwood, matte clear PU paint finish | |
| Central support pedestal | Die-cast aluminum alloy Y-shaped single column, powder-coated silver finish | |
| Tablet pivot bracket | Die-cast aluminum alloy rotary joint, matte gray finish | |
| Seat return mechanism | Carbon steel spring frame with damped rubber buffer | |
| Floor anchoring hardware | Zinc-plated steel expansion bolts, hidden plastic end caps | |
| Metal surface treatment | Phosphating pre-treatment, electrostatic powder coating | |
| Wood edge treatment | Sanded radius edges, paint-sealed to prevent moisture damage | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat automatic return | Damped spring mechanism lifts seat to vertical position after use, silent 3-second return | |
|---|---|---|
| Writing tablet deployment | Rotates 90 degrees outward from rear backrest to horizontal writing position, folds flush against back when stored | |
| Tablet tilt lock | Holds fixed 6.5° upward writing angle when deployed, auto-locks in stored position | |
| Floor fixed installation | Secured to concrete or raised floor with 4 hidden expansion bolts, no movement during use | |
| Silent operation design | Rubber damping pads at all pivot points eliminate metal-on-metal noise during seat/tablet movement | |
| End unit row configuration | Designed as armless terminal unit for left or right row ends, matches adjacent standard seated units | |
| Tablet upward tilt angle | 6.5° | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Auditorium and theater seating | Permanent floor-mounted installation for performance venues, silent operation avoids event disruption | |
|---|---|---|
| Lecture hall and conference venue | Rear writing tablet supports note-taking and laptop use during extended presentations | |
| Academic training classroom | Armless end unit provides accessible aisle seating for multi-use training spaces | |
| Government and corporate meeting hall | Wood finish matches formal interior design, durable construction for high-frequency use | |
| Row end position application | Installed at terminal positions of continuous seating rows for clean aisle appearance | |
| Public assembly space | Fixed structure meets egress and safety requirements for high-occupancy public buildings | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 12727:2016 | Strength, durability and safety requirements for auditorium and lecture hall seating | |
|---|---|---|
| EN 1022:2018 | Determination of seating stability for fixed public seating installations |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood panel quality and finish | |
|---|---|---|
| GB 20286-2006 | Flame retardant requirements for public seating components in high-occupancy venues | |
| GB/T 10357.3-2013 | Test method for strength and durability of chair seats and backs |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood panel quality and finish; 2. GB 20286-2006: Flame retardant requirements for public seating components in high-occupancy venues; 3. GB/T 10357.3-2013: Test method for strength and durability of chair seats and backs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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