| | | Function Swivel chairs with automatic synchro-adjustment: The seat/backrest angle adjusts automatically to the sitting position of the user. When leaning back, the backrest tension increases according to the need for additional support and the seat platform lowers at the front synchronously with the sequence of movement. A crank handle allows infinitely variable tension adjustment for the user. Backrest position lockable in eleven different positions by engaging lever. Gas lift, conforming to DIN 4550, for infinitely variable adjustment of seat height of swivel chairs furniture. Optional adjustment of backrest height in seven positions within a range of 60 mm. Conference chairs/visitor chairs with automatic synchro-adjustment, with fixed seat height. Frame Five-star base in die-cast aluminium, coated, polished or bright chromium-plated. Twin wheel swivel castors with load-dependent braking in black-grey polyamide, with integral protection buffer, conforming to DIN EN 12529, as the standard version for carpeted floors, or with a grey polyurethane soft lining for hard floors. Anti-static castors on request. Black-grey polyamide glides as the standard version for carpeted floors, or with polyurethane glides for hard floors. Backrest bearer, front swivel arms, rear swivel arms, seat bearer and synchro-mechanism case in die-cast aluminium. Synchro-mechanism cover in black-grey through-dyed plastic. See chart on the right for frame finishes. | | Seat and back Seat and backrest frame comprising extruded aluminium profile and die-cast aluminium side frame, coated in the colour silver, satin finish. A transparent, stretch, high-performance material is attached to the profiles of both the seat and backrest frame. This material offers optimal support and rear ventilation. Solis F is available in two backrest heights; the high backrest version is optionally with a headrest. Headrest Headrest, in combination with high backrest, in die-cast aluminium with polyurethane cut foam with black leather cover. Cushions Slim, two-section cushion with quilted cover with stitched fluting. Armrests Armrests in die-cast aluminium with one-piece moulded foam with leather cover, colour-matched with cushion. Standards Solis F swivel chairs conform to the Office chair manufacturer Standard DIN EN 1335, ANSI/BIFMA X 5.1 and other international office chair standards. Depending on selected features, they meet the requirements of categories A or B of the Office Chair Standard DIN EN 1335. | | |