Erhun
Back to Products

CSS 3 / CSS 3 ECO

In triple, double, and single modules, in addition to standard seating, deep seating and single bed options are available for the triple modules. Standard Seating - Deep Seating - Bed.

Product use

Movement

Its back movement changes standard seating into deep seating and enables a single-bed function in a three-seat sofa.

Furniture application

Three-seat, two-seat and single-seat sofa modules with standard, stop/stepped, eco and eco short-trim applications.

Product highlights

  • The back mechanism provides standard seating in the first position.
  • Its practical unfolding increases seating depth, offering maximum comfort and a single bed option.
  • Allows for both fixed and removable back cushions in your designs.
  • Ensures cost-effective application with fewer screws, maximizing sales potential.

Assembly dimensions and references

Assembly reference
Use the product technical drawing for mounting holes, connection direction and component position.

Technical Information

Product Code

CSS-3 APRT

Product Name

CSS 3 / CSS 3 ECO

Mechanism Size (cm)

-

Bed Size (cm)

-

Variant Options

Standard

Standard back movement mechanism application.

Note:
Used for 180-degree back movement.
Stop / Stepped

Option for sofa designs requiring stopped or stepped movement.

Note:
Preferred for applications that require stepped movement.
Eco

Eco application option within the CSS 3 family.

Note:
The standard back movement function is retained.
Eco / Short Trim

Option for applications requiring short trim with the eco body structure.

Note:
Suitable for designs requiring short trim.

Technical PDFs and documents

CSS mechanism comparison

Core movement, variant and assembly differences within the same product family.

ComparisonCSS 2CSS 3 / CSS 3 ECOCSS 4CSS 4 ABS
Core movementStandard + deep seating; single bed in three-seat sofaStandard + deep seating; single bed in three-seat sofaStandard + deep seating; single bed in three-seat sofaStandard + deep seating; single bed in three-seat sofa
VariantShort-trim optionStandard, stop/stepped, eco, eco short trimRound; short/standard trim; plastic/zamakRound ABS
Assembly featureStandard application per technical drawingStandard or stepped application by variantStructure designed for 40% fewer screwsSingle-screw assembly; suitable for knock-down shipment

Manufacturer contact

Request a quote or sample for your serial production.