Pieces > AC 4

AC 4

Designer: Antonio Citterio

Manufacturer: Vitra

When designing the AC 4, the aim was to subtly integrate the functions required to provide the best level of comfort. The reason for this is that until now, office chairs were either designed with a view to aesthetics or to functional characteristics. The AC 4, by contrast, integrates its ergonom... read more

When designing the AC 4, the aim was to subtly integrate the functions required to provide the best level of comfort. The reason for this is that until now, office chairs were either designed with a view to aesthetics or to functional characteristics. The AC 4, by contrast, integrates its ergonomic properties in such a subtle way that the constructional tricks are hidden away. The AC 4 creates a balance between advanced ergonomic functionality and subtle design. The innovative technology is neither showy nor hidden under foam padding. This makes the AC 4 an iconic object with an aura of elegance coupled with uncompromising functionality.
Automatic weight adjustment
The synchronous mechanism with large opening angle and automatic weight adjustment of the backrest resistance ensure that the user’s weight is supported in every sitting position.
Armrests
The multifunctional 3D armrests can be rotated by 360 degrees, which is very useful with e.g. table-oriented work. The aluminium ring armrests are an elegant variation for conferences, especially when leather-upholstered.
Ecology
51% of the materials used to produce the AC 4 are recycled and 94% of all materials are recyclable.

Specifications: With adjustable lumbar support, with polished aluminium ring armrests, aluminium po

Downloads

42192100_0000FBE9.dxf
42192300_0000FBEA.dxf
AC_4_0000FBE6.dxf
AC_4_Office_chair_0000F184.3ds
AC_4_Office_chair_0000F185.3ds
AC_4_Office_chair_0000F186.3ds
AC4_CAD_0000C9FB.3ds
AC4_Conference_chair_0000F187.3ds
Vitra