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LC-SW-001

Code:YKT19WV1
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Mid-Century Swivel Height-Adjustable Lounge Chair Key Specifications 2026-08-06 20:10

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LC-SW-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions680 x 650 x 860 mm
Seat height (adjustment range upper limit)480 mm
Seat depth480 mm
Seat width550 mm
Backrest height above seat380 mm
Four-star base leg span620 mm
Central gas lift column diameter50 mm
Plywood shell panel thickness15 mm
Upholstery cushion thickness80 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Net weight19 kg
Maximum static user load150 kg
Height adjustment travel100 mm
Seat foam density35 kg/m³
Foam rebound rate45%
Upholstery abrasion resistance50000 Martindale cycles
Base static load capacity300 kg
Standard warranty period3 years
Swivel mechanism cycle life30000 rotations
Gas lift cycle life100000 actuations
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and back upholsteryTop-grain black leather with white contrast edge stitching
Structural shellSteam-bent walnut veneer plywood with walnut finish, fastened with two copper-tone metal accent buttons
Cushion paddingHigh-resilience polyurethane foam wrapped in polyester dacron
Height adjustment columnPolished chrome-plated cold-rolled steel pneumatic gas lift
Four-star base2mm thick polished chrome-plated steel cross frame with black rubber floor glides
Height adjustment leverBlack nylon paddle lever connected to lift mechanism
Shell fastenersCopper-finish steel button bolts securing upholstered shell to plywood backing
Stitching specification8 stitches per inch
Swivel bearing assemblyZinc-plated steel sealed ball bearing set between gas lift top and seat shell mounting plate
Upholstery substrate4mm thick hardboard backing panel secured to plywood shell to support cushion layers
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frame
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

360-degree swivel rotationFull rotation enabled by sealed bearing between gas lift and seat shell
Pneumatic seat height adjustment100mm vertical travel controlled by side paddle lever, locks at any height within travel range
Fixed tilt positionUpright relaxed lounge angle of 105 degrees between seat and back, no tilt recline mechanism
Floor protectionBlack non-marking rubber glides on each base leg to prevent hard floor scratching
Integrated armrest designCurved upholstered shell forms continuous armrests integrated with back and seat for ergonomic forearm support
Low-profile base designFour-star chrome base sits flush to floor for stable stationary placement, no rolling casters fitted
Fixed lounge tilt position105 degree fixed included angle between seat and back, no recline or tilt tension mechanism fitted
Integrated armrest supportCurved upholstered shell forms continuous 70mm wide armrests integrated with back and seat, supporting forearms at relaxed 90 degree elbow angle
Low-profile stable baseFour-star chrome base sits flush to floor with 10mm ground clearance, no rolling casters fitted for stationary placement
Height release operationPaddle lever actuates gas lift valve with 5mm downward travel, accessible from seated position on either side of the chair
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Number of shipping cartons1
Shipping carton dimensions720 x 680 x 520 mm
Gross shipping weight23 kg
Shipping volume per unit0.255 CBM
Assembly time per unit15 minutes
20ft GP container loading quantity110 units
40ft HQ container loading quantity270 units
Packaging materials5-layer corrugated carton, EPS foam corner protection, plastic dust bag for upholstery
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Executive office lounge areasSuitable for waiting zones and informal meeting spaces in corporate offices, matching mid-century modern interior design schemes
Home office and study spacesFits residential workspaces as a stylish alternative to standard task chairs, appropriate for short to medium duration seated work
Hotel lobby and guest room seatingAppropriate for boutique hotels and upscale hospitality venues, providing durable guest seating with premium visual appeal
Co-working and creative studio spacesSuits flexible work environments as accent seating at touchdown work points or lounge collaboration zones
Reception and waiting areasIdeal for high-visibility customer-facing spaces, combining compact footprint with refined visual design for front-of-house use
Residential living room accent seatingFits modern residential living spaces as a statement side chair, suitable for reading and casual relaxation adjacent to sofas or side tables
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 16139:2013Strength, durability and stability requirements for non-domestic seating, applicable for commercial lounge area use
EN 1022:2018Applicable standards and test results require confirmation
EN 13356:2019Requirements for upholstered furniture leather, for abrasion resistance and colorfastness to rubbing
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

No standards data is available for this market.
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 3324-2017General technical requirements for wooden furniture, applicable to the bent plywood shell components for dimensional stability and finish durability
GB/T 16799-2008Requirements for leather used in furniture, applicable to the black upholstery leather for tear strength and colorfastness
GB 28007-2011Strength and stability requirements for children's and adult seating, applicable for static load and tip-over testing
GB/T 10357.3-2013Test method for furniture mechanical properties of chairs and stools, applicable for seat and back durability testing
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to the bent plywood shell components for dimensional stability and finish durability;
2. GB/T 16799-2008: Requirements for leather used in furniture, applicable to the black upholstery leather for tear strength and colorfastness;
3. GB 28007-2011: Strength and stability requirements for children's and adult seating, applicable for static load and tip-over testing;
4. GB/T 10357.3-2013: Test method for furniture mechanical properties of chairs and stools, applicable for seat and back durability testing;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Overview & Construction Details

The Mid-Century Swivel Height-Adjustable Lounge Chair (model LC-SW-001, unbranded) is a refined dual-function seating option categorized as both an office lounge chair and swivel accent chair. Its sleek silhouette centers on a continuous steam-bent walnut plywood shell finished to highlight natural wood grain, secured with two copper-tone metal accent bolts that add subtle decorative contrast. The shell is upholstered in top-grain black leather with crisp white contrast edge stitching, forming integrated curved armrests that flow seamlessly from the high, gently angled backrest to the generously padded seat. A low-profile polished chrome four-star base with non-marking black rubber glides supports the chair, with a central chrome-plated gas lift column creating a clean visual balance between warm wood, soft leather and cool metallic hardware. Constructed for durable regular use, the chair pairs its bent plywood structural shell with high-resilience polyurethane foam wrapped in polyester dacron for cushioning, supported by internal hardboard and bent plywood backing panels. The sealed zinc-plated steel ball bearing swivel assembly enables full 360-degree rotation, while a black nylon paddle lever positioned under the seat front edge controls pneumatic height adjustment, allowing users to lock the seat at their preferred height across 100mm of vertical travel. The chair holds a fixed relaxed upright angle between seat and back with no recline mechanism, and its rubber glides prevent scratching on hard flooring surfaces without rolling casters for stable stationary placement. This chair fits seamlessly across both commercial and residential settings. It is well-suited for corporate executive lounge zones, reception and waiting areas, co-working flexible collaboration spaces, and boutique hotel lobbies or guest rooms where mid-century modern design aligns with existing interiors. For residential use, it works as a stylish home office seating alternative to standard task chairs, or as a statement accent chair in living rooms for reading and casual relaxation. Procurement teams should note that select material specifications including leather grade, plywood core composition, gas lift certification class, and steel gauge require supplier bill of materials confirmation prior to final order placement. The chair ships in protective corrugated packaging with foam corner bracing, with minimal on-site assembly required to attach the base to the pre-assembled seat shell. The product comes with a standard three-year commercial warranty, with upholstery abrasion resistance rated to meet minimum commercial lounge use requirements, supporting reliable performance in high-traffic shared spaces.

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