Gamma chair by Olivo & Groppo with office wheels

Gamma office chair by Olivo & Groppo

Office chair by Olivo & Groppo. A chair with a simple style but which is characterized by its resistance and its small footprint. A value for money without detracting from the essence of the seat and the needs of those who use it. The chair is available in two different back heights and two colors to choose from for the base: Black or Gray RAL 7040. The permanent contact mechanism allows adjustment of the inclination and height of the back by means of a knob. The syncro mechanism is activated through a button and the backrest, adjustable in height when seated
via up-down, it has an anti-shock mechanism.

Dimensions:

• LOW BACKREST cm: L.64 (l. Seat 48 cm) xP.64xH.42-82 / 52-92 (h. "OPTIONAL" armrest 62)
• HIGH BACKREST cm: L.64 (w. Seat 48 cm) xP.64xH.42-90 / 52-100 (h. "OPTIONAL" armrest 62)

Optional:

• MECHANISM UNDER SEAT: Permanent Contact or Syncro
• ARMRESTS: fixed nylon (black or gray RAL 7040) or adjustable in height in nylon (black or gray RAL 7040)
• BACKREST: high or low
• BASE: Black Nylon or Gray Nylon RAL 7040
• WHEELS: Nylon or Rubberized

Features:

SYNCRO MECHANISM



PERMANENT CONTACT MECHANISM



Internal structure of the back in PP loaded with 20% glass fiber. Rear casing in black or gray PP. Padding in polyurethane foam cut by block, fireproof, density 25 kg / m3, thickness 30 mm. Internal structure of the seat in 20% PP filled with glass fiber with longitudinal reinforcements in 10x10x1.5 steel, overprinted (gray version) or in 10/11 mm thick hot pressed and curved beech plywood. (black version). Seat cover in black or gray PP. Padding in polyurethane foam cut by block, fireproof, density 40 kg / m3, thickness 30 mm.
a) Single lever seat / back synchronized mechanism, in reinforced nylon PA 6 and pressed steel, 5 locking positions, button operation, anti-shock safety system of the backrest and adjustment of the spring tension for the oscillation calibration by knob. Backrest angle 21 °, seat angle 9 °. Seat shifter with return spring in pressed steel, stroke 50 mm, locking in 5 positions by lever (optional). Support for height adjustment of the seat backrest in steel, 5 mm thick, with up down mechanism, 70 mm stroke and with 8 adjustment positions.
b) Permanent contact mechanism in steel with protective casing. Backrest adjustable in height by knob, inclination and depth. Swivel plate in pressed steel with 3 mm thick padded cone, painted with black epoxy powders.
Fixed armrests with closed design in PA6 nylon loaded with 15% glass fiber, black or gray color Ral 7040.
Height adjustable armrests with button operation, 70 mm stroke, in PA6 nylon loaded with 15% glass fiber, black or gray color Ral 7040.
Also available in soft black PU top. 5-star base in PA6 nylon loaded with 30% glass fiber, black or gray color, ANSI-BIFMA certified. Nylon wheels Ø 50 mm braked.

FOR FINISHES SELECT TECHNICAL SHEET

IN THE TOP DROP MENUS SELECT THE COVERING FABRIC FOR THE SEAT
INDICATE THEN COLOR AND COLOR CODE CHOICE OF THE FABRIC FOR THE SEAT IN THE APPROPRIATE BOX [INSERT COLOR CODE]

SEAT FABRIC FINISHES: