with shell-shaped seat and back-rest unit, e.g. having arm-rests
3
/
14
•
of asymmetrical shape
3
/
16
•
of legless type, e.g. with seat directly resting on the floor (A 47 C 3/14 takes precedence; detachably mounted on stadium benches A 47 C 1/16; children's chairs mounted on back-rest of chair A 47 D 1/10); Hassocks; Pouffes
3
/
18
•
Chairs or stools with rotatable seat (adjustable in height by rotation A 47 C 3/24)
3
/
20
•
Chairs or stools with vertically-adjustable seats (tables with variable height A 47 B 9/00)
3
/
22
•
•
with balancing device, e.g. by spring, by weight
3
/
24
•
•
with vertical spindle
3
/
26
•
•
with vertical toothed rack
3
/
28
•
•
with clamps acting on vertical rods
3
/
30
•
•
with vertically-acting fluid cylinder
3
/
32
•
•
with flexible height-adjusting means, e.g. rope, chain
3
/
34
•
•
with pins coacting with holes
3
/
36
•
•
with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
3
/
38
•
•
with additional seat or additional legs for varying height of seat
3
/
40
•
•
Telescopic guides
4
/
00
Foldable, collapsible or dismountable chairs (of tubular metal type A 47 C 5/10; children's foldable chairs A 47 D 1/02)
4
/
02
•
Dismountable chairs
4
/
03
•
•
Non-upholstered wooden chairs [2]
4
/
04
•
Folding chairs with inflexible seats
4
/
06
•
•
Attachment of upholstery or fabric to frames (in general A 47 C 31/02)
4
/
08
•
•
having a frame made of wood or plastics
4
/
10
•
•
•
with legs pivotably connected to seat or underframe