upper+lower

lumbar support mechanisms

product application

+++ Office chair

+++ Swivel Chair

+++ Ergonomic Chair

+++ Executive Chair

+++ Conference Chair

+++ High Back Chair

2IN1 Actuator

+++

.

++upper back ++lower back

+++++

Patented Actuator : 2IN1, One Dual-use knob controls 4 directions. (In/Out/Up/Down)

An unique dual-panel design: a smaller upper back panel and a larger lumbar panel, each independently adjustable for personalized inward and outward support.

+++++Knob assembly positioned on the backrest requires shorter cable length, whereas knob assembly located beneath the seat demands longer cable length.+++++

Turning Shaft : Copper

Turning Sound : Without sound

# 901

Series

901-

hs

2in1

S- Back Panel: Nylon , Small (160*152mm)

Cable Length Options: 1000 mm or customizable.

Lumbar Moving Range: In / Out, 25mm

H-Back Panel: Nylon , Large (262*242mm)

Cable Length Options: 630 mm or customizable.

Lumbar Moving Range: In / Out, 28mm

+++ (for knob assembly located beneath the seat).+++

901-hss 2in1