9620 ⎘
Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats; Chairs or stools with vertically-adjustable seats with clamps acting on vertical rods
Sub-classes:Chair and chair lifting adjustment control mechanism thereof
#2Dynamic pendula stool
#3Adjustment mechanism for furniture
#4Positioning device for rod
#5Chair
#6Rolling work platform assembly