(57) There is described a chair (1) comprising a back (2), an arm rest (3), and a seat
(4). The back (2) and the arm rest (3) are swinging relative to the seat as well as
the arm rest also is swinging relative to the back. In order to establish a swinging
of the back (4) which is neutral and ergonomically correct with a connected swinging
of the arm rest, the back (4) is arranged so that it swings according to a course
where it extends as a tangent to a curve. The curve is approximately circular and
has a centre defined via a journal (19) and which is in a position before the back
cushion (5) and above the seat cushion (6). Furthermore, the arm rests (3) are supported
by a bracket (25) connected with the back (2) and which is guided in a groove (21),
so that it performs approximately half the circle relative to the swinging of the
back (2).
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