Ryan

STRUCTURE
SEAT
Anatomically-shaped, glass-fiber-filled nylon support, 5 mm thick, with internal metal bars.
Injected polypropylene counter-shell (30/10 thick) screw-fastened and clipped to support.
BACK
Anatomically-shaped, ribbed injected polypropylene support (5 mm thick).
Injected polypropylene counter-shell (^30/10 thick) clipped to support.

COVERING
SEAT
CFC-free injected polyurethane foam, bonded to the structure, density 40 kg/m3, thickness 45 mm
BACK
CFC-free injected polyurethane foam, bonded to the structure, density 30 kg/m3, thickness 40 mm

COATING
Fabric glued to foam and stapled to substrate.
Water-based, non-polluting glue.

LINK
Seat/back, with hardened steel blade (^60/10th thick), 70 mm wide.
Semi-rigid polypropylene protective shell.

MECHANISM
Synchronized, 4-position locking system with backrest anti-retraction system and automatic adjustment to user weight, seat translation, 50 mm stroke.
Adjustment by lever for backrest locking/unlocking and lever for seat height adjustment by self-supporting gas spring, class 3, nominal stroke 130 mm, complies with DIN 4550/4551.
Lift KGS class 3.
Automatic backrest height adjustment by pawls on the semi-rigid rack-and-pinion steel blade, up and down system, 65 mm travel, adjustable in 6 positions.

FEATURES
5-spoke pyramid star in reinforced nylon – 680 mm.
Self-braking double-roller castors in polyamide, diameter 50 mm, pivot in steel, diameter 11 mm.

ENVIRONMENT
The seat is made from 50% recycled raw materials, and is 90% recyclable.