Leadchair Executive

Overview

Leadchair Executive is an upholstered swivel chair designed by EOOS for Walter Knoll, offered as an executive, conference or visitor chair in three back heights (models 2000, 2010 and 2020 on the sheet).

Construction

A highly polished aluminium frame and armrests carry seat and back upholstered in Walter Knoll leather over shaped foam. A lockable synchronised mechanism with tension dial tilts seat and back together, and the leather armrest cushions are replaceable.

Specifications

• Total width: 830 mm on the five-star base, with 645 mm between the armrests and a 550 mm seat width
• Overall size (model 2003): 830 x 830 x 1290 mm (axes not labelled on the drawing)
• Seat height: 460 mm on model 2003; 430 to 520 mm with height adjustment on the executive chair
• Armrest height: 680 to 770 mm on the executive chair, 700 mm on conference and visitor chairs

A five-year development

The press release describes Leadchair Executive as the result of a five-year development process and says the swivel chair represents the DNA in design by Walter Knoll: modernity that remains timeless, constant development of upholstery expertise and transparency of function.

EOOS and Walter Knoll

The studio's own project page for Leadchair describes starting with the movement the chair performs and the mechanism behind it, and keeping the mechanics open and comprehensible.