Dishwasher having an adjustable upper basket

1. A dishwasher, comprising:

a washing container;

an upper basket located in an upper region of the washing container for accommodating items to be washed, said upper basket having a floor wall and a side wall that circumferentially bounds the floor wall and projects upward, said upper basket having a static first partial region and a second partial region that is translationally displaceable between at least two positions relative to the first partial region and in parallel relation to the floor wall, said second partial region containing a section of the floor wall and exposing an opening in the floor wall in at least one of the two positions; and

a spraying device assigned to the upper basket and co-movably coupled to the second partial region such that movements of the spraying device is tied to movement of the second partial region relative to the first partial region.

2. The dishwasher of claim 1 , wherein the floor wall is approximately horizontal.

3. The dishwasher of claim 1 , wherein the side wall is approximately vertical.

4. The dishwasher of claim 1 , wherein the second partial region is displaceable between the at least two positions continuously relative to the first partial region.

5. The dishwasher of claim 1 , wherein the first partial region forms a part of the floor wall, said section covering in at least one of the two positions together with the part of the floor wall an entire area circumferentially bounded by the side wall.

6. The dishwasher of claim 1 , wherein the second partial region contains a section of the side wall.

7. The dishwasher of claim 1 , wherein the second partial region is located in a side region of the upper basket.

8. The dishwasher of claim 1 , wherein the second partial region has a stop element for items to be washed that project through the opening.

9. The dishwasher of claim 1 , wherein the spraying device is configured as a rotatably mounted spray arm or an upper-basket spray.

10. The dishwasher of claim 1 , wherein the spraying device extends in each of the at least two positions from the first partial region at most up to the opening.

11. The dishwasher of claim 1 , wherein the first partial region forms a part of the floor wall, said spraying device being located in each of the at least two positions centrally relative to the part of the floor wall formed by the first partial region and the section of the floor wall formed by the second partial region.

12. The dishwasher of claim 1 , wherein the upper basket is structured so that the dimensions of a perimeter of an upper side of the upper basket remain the same regardless of a position of the second partial region relative to the first partial region.

13. The dishwasher of claim 1 , wherein the second partial region remains attached to the first partial region regardless of the position of the second partial region.

14. The dishwasher of claim 1 , wherein the second partial region comprises a bottom portion of the upper basket regardless of the position of the second partial region relative to the first partial region.

15. The dishwasher of claim 1 further comprising a lower basket below the upper basket.

16. The dishwasher of claim 1 , wherein the spraying device is linearly movable relative to the first partial region.

17. The dishwasher of claim 1 , wherein the second partial region is configured so that the displacement of the second partial region relative to the first partial region adjusts a size of the floor wall between a maximum size and a minimum size, the floor wall being settable to at least one intermediate size between the maximum and minimum sizes.