Patent ID: 6945603

Claim:
A chair, in particular office chair, comprising a pedestal ( 2 ); a seat support ( 5 ) which supports itself thereon by a chair column ( 4 ), the seat support ( 5 ) comprising a front seat support part ( 6 ) and a rear seat support part ( 7 ) which is pivotably connected thereto via a substantially horizontal pivoting axis ( 8 ), a seat ( 10 ) which supports itself on the seat support parts ( 6 , 7 ); a backrest ( 15 ) which is fixed to the rear seat support part ( 7 ); an adjustable length energy storing device ( 27 ) for adjustment relative to each other of the backrest ( 15 ) and seat ( 10 ), a first end of the energy storing device ( 27 ) being pivotably mounted on the front seat support part ( 6 ) by an abutment ( 29 ) and the second end of which being pivotably supported on the rear seat support part ( 7 ) at a distance (a) from the pivoting axis ( 8 ); an adjusting element ( 36 ) for modification of the distance (a), which is rotatable about an adjusting-element axis of rotation ( 43 ); and a turning handle ( 42 ) for operation of the adjusting element ( 36 ), the turning handle ( 42 ) being connected to the adjusting element ( 36 ) and rotatable about a turning-handle axis of rotation ( 44 ); wherein the turning handle ( 42 ) is connected to the adjusting element ( 36 ) via a coupling element ( 39 , 40 , 18 ; 39 , 40 , 64 ) for translation of the operating motion of rotation into an adjusting motion; with the adjusting-element axis of rotation ( 43 ) and the turning-handle axis of rotation ( 44 ) not being in alignment, and wherein a conical gear wheel ( 39 ) of the bevel gear pair ( 39 , 40 ) has an internal thread with which engages an external gear, complementary thereof, of another coupling component of the coupling element ( 39 , 40 , 18 ; 39 , 40 ), in particular of the adjusting element ( 36 ).