AC 4, Leather, Antonio Citterio, 2008
Office swivel chair with 3D armrests complying with EN 1335/ Ergonomics seal. Synchronising mechanism with automatic basic setting of backrest tension to the user’s weight. Additional fine setting of the tension possible. Mechanism can be locked in an upright sitting position. With or without armrests. Optionally with polished die-cast aluminium ring armrests (corresponds to the colour of the chairs leather, with fabric cover the padding is in leather nero). Or with 3D armrests that are height and width adjustable and swivel 360°, with soft basic dark polyurethane pads. Optionally with height-adjustable lumbar support. As a standard with adjustable seat height and depth. With basic dark hard castors (Ø 60 mm) for carpets, or optionally with soft castors for hard floors.
Polished die-cast aluminium armrest frame and backrest structure. Self-supporting backrest structure with vertical cushion chambers sewn in place. Plano covers or leather. Base frame either in basic dark polyamide or polished die-cast aluminium.
Specification: Without armrests, without adjustable lumbar support, plastic base, leather nero, soft double castors.
Specification: Without armrests, without adjustable lumbar support, plastic base, leather nero, soft double castors.
Product.Nr.: 42190100026603
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Designer furniture by Antonio Citterio at lachair.com
Antonio Citterio, born 1950 in Meda, Italy, studied architecture at the Milan Polytechnic. In 1972 he began work as a designer and consultant in the field of industrial design, before joining Terry Dwan as a partner at Studio Citterio/Dwan from 1987-96. He held a teaching position at the Domus Academy in Milan from 1990-92 and was an external examiner for the Furniture Design course at the Royal College of London from 1993-95, before becoming a docent at La Sapienza University in Rome in 1997. Together with Patricia Viel, he founded the multidisciplinary office Antonio Citterio and Partners in Milan in 1999, and from 1999 to 2002 he also taught on the architectural faculty at the Università della Svizzera Italiana. He resumed a position on the faculty of this university in 2006.Projects for Vitra:
2008 Production facilities, Neuenburg, Germany
Exhibitions:
2000 "50 Years of Italian and German Design", Bonn
1999 "Antonio Citterio & Partners. Progetti di architettura. 4 case e 4 uffici", Milan
1993 "Antonio Citterio & Terry Dwan", Arc en Rêve Centre, Bordeaux












