2.1. Base
2.1.1. Viden
Bases:
– Ø 710 mm five-star black polyamide (TS25),
– Ø 700 mm five-star polished aluminium (ST44-POL).
2.1.2. Viden PRO
– Ø 711 mm five-star black polyamide (TS34),
– Ø 711 mm five-star made of polished aluminium with elements powder-coated in Jet black RAL 9005 colour (ST61-POL/BL).
2.2. Castors
Ø 60 mm black plastic castors for soft floors (ESH60) as standard or for hard floors (ESHH60) as an option.
2.3. Mechanisms
2.3.1. Viden
FS Synchronous mechanism – functions:
– free-floating – synchronous backrest and seat tilt,
– backrest tilt angle of 20° synchronized with the seat tilt angle of 11°,
– backrest multi-lock in 5 positions,
– backrest tilt force adjustment with a knob placed under the seat,
– seat depth adjustment 50 mm – as an option (FST),
– Anti-Shock – a feature that controls chair backrest to avoid hitting user's back after releasing the lock,
– smooth height adjustment of chair with pneumatic gas lift.
ERT Advanced Synchronous mechanism
– functions:
– free-floating – synchronous backrest and seat tilt,
– backrest tilt angle of 23° synchronized with the seat tilt angle of 10°,
– backrest multi-lock in 5 positions,
– backrest tilt force adjustment in 7 positions with a knob placed on the right side of seat,
– seat depth adjustment 60 mm with multi-lock in 6 positions,
– forward tilting of the seat (negative seat inclination) -2° synchronously tilting with the backrest at 5°, which guarantees optimal support for the user’s back at each tilted position of the backrest - as an option (ERTN),
– Anti-Shock – a feature that controls chair backrest to avoid hitting user's back after releasing the lock,
– smooth height adjustment of chair with pneumatic gas lift.
EAST asynchronous mechanism – functions:
– free-floating – tilting backrest,
– backrest tilt angle in range of -10° up to +25°,
– seat tilt angle in range of -5° up to +5°,
– seat depth adjustment 60 mm,
– backrest multi-lock in 5 positions,
– backrest tilt force adjustment with a crank placed under the seat,
– Anti-Shock – a feature that controls chair backrest to avoid hitting user's back after releasing the lock,
– smooth height adjustment of chair with pneumatic gas lift.
2.3.2. Viden PRO
ER-ST advanced synchronous mechanism
– functions:
– free-floating – synchronous backrest and seat tilt,
– backrest tilt angle of 23° synchronised with the seat tilt angle of 10°,
– backrest multi-lock in 5 positions,
– backrest tilt force adjustment in 7 positions with a knob placed on the right side of the seat,
– seat depth adjustment 60 mm, possible seat multi-lock in 7 positions – function integrated with seat,
– forward tilting of the seat (negative seat inclination) -2° synchronously tilting with the backrest at 5°, which guarantees optimal support for the user’s back at each tilted position of the backrest - as an option (ERN-ST),
– Anti-Shock – a feature that controls chair backrest to avoid hitting user's back after releasing the lock,
– smooth height adjustment of chair with pneumatic gas lift.
2.4. Seat, backrest, headrest
As standard upholstery type and colour on seat and backrest are the same.
2.4.1. Seat
Viden
Upholstered seat – structure made of 7-layer plywood, thickness 10.5 mm, covered with injected foam, thickness 52 – 71 mm and density 52 kg/m³.
AirCare system (AIC) – system of air chambers located inside the seat. The chambers adjust to user’s movement ensuring dynamically responsive support – available as an option.
Viden PRO
Upholstered seat – structure made of polypropylene (PP), covered with injected foam, thickness 59 mm and density 55 – 60 kg/m³. Seat cover made of black polypropylene (PP).
AirCare system (AIC) – system of air chambers located inside the seat. The chambers adjust to user’s movement ensuring dynamically responsive support – available as an option.
2.4.2. Oparcie
Each backrest type is fitted with 70 mm height adjustment as standard with multi-lock in 13
Viden
High upholstered backrest (HB) – structure made of 8-layer plywood, thickness 12 mm, covered with injected foam, thickness approx. 35 mm and density 60 kg/m³.
Medium upholstered backrest (MB) – structure made of 8-layer plywood, thickness 12 mm covered with injected foam, thickness approx. 35 mm and density 70 kg/m³.
Low upholstered backrest (LB) – structure made of 8-layer plywood, thickness 12 mm covered with injected foam, thickness approx. 35 mm and density 70 kg/m³.
Backrest connector – made of flat steel bar, thickness 8 mm.
Manual lumbar support (LSD2) – integrated with upholstered backrest, 20 mm depth adjustment by knob – available as an option.
Viden PRO
High upholstered backrest (HB) – structure made of 8-layer plywood, thickness 12 mm, covered with injected foam, thickness approx. 35 mm and density 60 kg/m³.
Low upholstered backrest (LB) – structure made of 8-layer plywood, thickness 12 mm covered with injected foam, thickness approx. 35 mm and density 70 kg/m³.
Backrest connector – made of flat steel bar, thickness 8 mm.
Manual lumbar support (LSD2) – integrated with upholstered backrest, 20 mm depth adjustment by knob – available as an option.
2.4.3. Headrest
Upholstered headrest, adjustable (HRUA)
– structure made of polystyrene (PS), covered with cut foam, thickness 15 mm and density 40 kg/m³. 75 mm height adjustment, tilt angle adjustment. Headrest only available for models with high backrest (HB), as an option. Colour concept rules for headrest:
– headrest upholstered in the same type and colour as seat and backrest - as standard,
– headrest upholstered with Valencia imitation leather in black colour (VL9035) - as an option,
– headrest upholstered with black LE leather (LE01) – as an option.
3. Armrests
3.1. Viden
2-D armrests – made of black polyamide (PA) with black soft polyurethane (PU) pads.
Adjustment range:
– height 80 mm,
– side movement of the armrests 50 mm.
Armrests not available in configuration with EAST mechanism.
3-D armrests – made of black polyamide (PA) with black soft polyurethane (PU) pads.
Adjustment range:
– height 80 mm,
– side movement of the armrests 30 mm,
– forward/backward movement of the pad ± 25 mm.
4-D armrests – made of black polyamide (PA) with black soft polyurethane (PU) pads.
Adjustment range:
– height 80 mm,
– side movement of the armrests ± 50 mm,
– forward/backward movement of the pad ± 20 mm,
– pad rotation ± 30°.
Armrests not available in configuration with EAST mechanism.
3.2. Viden PRO
2-D armrests – made of black polyamide (PA) with black soft polyurethane (PU) pads.
Armrest bar made of black polyamide (PA) or polished aluminium.
Adjustment range:
– height 100 mm,
– side movement of the armrests 75 mm.
4-D armrests – made of black polyamide (PA) with black soft polyurethane (PU) pads.
Armrest bar made of black plastic or polished aluminium.
Adjustment range:
– height 100 mm,
– side movement of the armrests 75 mm,
– forward/backward movement of the pad ± 30 mm,
– pad rotation ± 30°.
4. Assembly
4.1. Viden
Partially assembled, L-shape cardboard packaging (PACK-L) – 1 pc. per box, 5 pcs on pallet.
Unassembled, cardboard packaging (PACK-UA) – 1 pc. per box, 10 pcs on pallet.
4.2. Viden PRO
Partially assembled, L-shape cardboard packaging (PACK-L) – 1 pc. per box, 5 pcs on pallet.
5. Technical regulations, approvals and quality marks (for selected product configurations)
5.1. Viden
– TÜV Safety Certificate - GS mark 110 kg - norm EN 1335-1 (type B), EN 1335-2
– IBA Quality Certificate - "Quality Office" (pending)
– Environmental Product Declaration (EPD) - EN ISO 14025, Type III
– Möbelfakta Certificate (for fabrics: Bondai, Era, Rivet, Xtreme, Step/Step Melange, Remix 3) (pending)
– Product fulfils the FSC® (FSC-C120977) requirements
5.2. Viden PRO
– TÜV Safety Certificate - GS mark 110 kg -norm EN 1335-1 (type B), EN 1335-2
– IBA Quality Certificate - "Quality Office" (pending)
– Environmental Product Declaration (EP) - EN ISO 14025, Type III
– Möbelfakta Certificate (for fabrics: Bondai, Era, Felicity, Radio, Rivet, Xtreme, Step/Step Melange, Fame, Remix 3) (pending)
