Chair

Abstract

The invention relates to a chair (1) comprising a seat (4), a backrest support (2) and a backrest (3), the backrest support (2) being mounted on the seat (4) and the backrest (3) being mounted on the backrest support (2), and the chair (1) being designed such that, in a sitting position, a user can sit on the seat and rest his back against the backrest (3). The chair (1) also has a counter-rest part (5) which differs from the backrest (3), the backrest (3) being tiltably connected to the backrest support (2), such that it can be folded in the direction of the seat (4) from the sitting position into a support position, and the counter-rest part (5) being coupled to the backrest (3) in such a way that the backrest (3), when folding from the sitting position into the support position, aligns the counter-rest part (5) such that the user can support his buttocks on the counter-rest part (5).

1 . A chair comprising:
 a seat;   a backrest support;   a backrest; and   a counter-rest part, which differs from the backrest,
 wherein the backrest support is mounted on the seat and the backrest is mounted on the backrest support, 
 wherein the chair is designed such that, in a sitting position, a user can sit on the seat and rest his back against the backrest, 
 wherein the backrest is tiltably connected to the backrest support, such that it can be folded in the direction of the seat from the sitting position into a support position, and 
 wherein the counter-rest part is coupled to the backrest in such a way that the backrest, when folding from the sitting position into the support position, aligns the counter-rest part such that the user can support his buttocks on the counter-rest part . 
   
     
     
         2 . The chair according to  claim 1 , wherein the backrest is tiltably connected to the backrest support by being hingedly mounted on the backrest support so as to be rotatable around a first shaft. 
     
     
         3 . The chair according to  claim 1 , wherein the counter-rest part is coupled to the backrest by being hingedly mounted on the backrest support so as to be rotatable around a second shaft. 
     
     
         4 . The chair according to  claim 3 , wherein the backrest is tillably connected to the backrest support by being hingedly mounted on the backrest support so as to be rotatable around a first shaft, and wherein the first shaft is arranged below the second shaft. 
     
     
         5 . The chair according to  claim 3 , wherein the counter-rest part is coupled to the backrest in such a way that the second shaft can be displaced along the backrest. 
     
     
         6 . The chair according to  claim 1 , comprising a counter-rest part support, wherein the counter-rest part support is designed to be substantially stationary with respect to the backrest support. 
     
     
         7 . The chair according to  claim 6 , wherein the counter-rest part is mounted on the counter-rest part support, such that it extends between the counter-rest part support and the backrest. 
     
     
         8 . The chair according to  claim 7 , wherein the counter-rest part is tiltably mounted on the counter-rest support, such that it is movable from a virtually upright position into an inclined position when the backrest folds from the sitting position into the support position. 
     
     
         9 . The chair according to  claim 7 , wherein the counter-rest part is designed to be bendable, such that it is bent from a virtually upright position into an inclined position when the backrest folds from the sitting position into the support position. 
     
     
         10 . The chair according to  claim 9 , wherein the counter-rest part is designed to be resilient, at least in portions, such that it can be bent. 
     
     
         11 . The chair according to  claim 9 , wherein the counter-rest part is designed in the manner of a roller shutter, at least in portions, such that it can be bent. 
     
     
         12 . The chair according to  claim 7 , wherein the counter-rest part is displaceably mounted on the counter-rest part support, such that it is displaced with respect to the counter-rest part support when the backrest folds from the sitting position into the support position. 
     
     
         13 . The chair according to  claim 12 , wherein the counter-rest part is designed in the manner of a roller shutter, at least in portions, such that if can be bent, and wherein the counter-rest part support is equipped with a guide in which the counter-rest part is held so as to be displaceable. 
     
     
         14 . The chair according to  claim 1 , comprising a supporting arranged on the counter-rest part support so as to be rotatable around a shaft, wherein the counter-rest part is displaceably guided on the supporting piece . 
     
     
         15 . The chair according to  claim 1 , comprising a base on which the seat is mounted, wherein the base is equipped with castors, which are braked, for placement on a floor. 
     
     
         16 . The chair according to  claim 1 , having a sitting direction in which the user can sit on the seat and a supporting direction in which the user can support his buttocks on the counter-rest part wherein the sitting direction and the supporting direction are virtually opposite.