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A chair (1) for relieving back pain of a user, with a seat surface (2) and a backrest (3), wherein a backrest angle (4) between backrest (3) and seat surface (2) is adaptable. At least one support element (5) for supporting the upper body of the user, when the latter is in an intended sitting positi

A chair (1) for relieving back pain of a user, with a seat surface (2) and a backrest (3), wherein a backrest angle (4) between backrest (3) and seat surface (2) is adaptable. At least one support element (5) for supporting the upper body of the user, when the latter is in an intended sitting position, is arranged on the backrest (3), wherein the support element (5), in the intended sitting position, can preferably be arranged, or is arranged, under the armpits of the user. The support element (5) is designed in such a way, and arranged on the backrest in such a way, that it can be moved by the user in order to obtain a desired support of the upper body at a predefined backrest angle (4) while he is in the intended sitting position.

대표청구항 ▼

1. A chair for relieving back pain of a user, the chair comprising: a seat surface,a backrest,armrests,at least one operating element supported by an armrest,support elements, anda vertically adjustable stand which supports the seat surface, the backrest, the support elements, the armrests and the a

1. A chair for relieving back pain of a user, the chair comprising: a seat surface,a backrest,armrests,at least one operating element supported by an armrest,support elements, anda vertically adjustable stand which supports the seat surface, the backrest, the support elements, the armrests and the at least one operating element,wherein a backrest angle of the backrest, with respect to both the seat surface and a vertical, is adjustable by the user via operation of the at least one operating element when the user is seated in an intended position of the chair,the support elements are arranged on opposed sides of the backrest,the support elements are electrically connected to an electric drive,the electric drive is electrically connected to and controlled by the at least one operating element for controlling a position of each of the support elements relative to the backrest and the seat surface,the at least one operating element is located on one of the armrests of the chair for manipulation by the user, when the user is in the intended position, to facilitate adjustment of a position of the support elements relative to the backrest and seat surface, andthe support elements, when the user is seated in the intended position of the chair, are height-adjustable relative to the seat surface via operation of the at least one operating element by the user so that, at a predefined backrest angle, the support elements are moved under armpits of the user to obtain desired support of an upper body of the user while the user is seated on the chair in the intended position. 2. A chair for relieving back pain of a user, the chair comprising: a seat surface, anda backrest pivotably connected to the seat surface,wherein a backrest angle of the backrest is adjustable with respect to the seat surface,the backrest supports a pair of support elements for supporting the upper body of the user, when the upper body of the user seated in the chair is in an intended position, the support elements are arranged on the backrest so that the support elements can be moved, by the user, in order to obtain desired support of the upper body at a predefined backrest angle while the user is in the intended position, the support elements can be arranged or are arrangeable under armpits of the user, and, in the intended position, the support elements are arranged under the armpits of the user,the support elements, in the intended position, are height-adjustable relative to the seat surface,the chair comprises at least one operating element by which the backrest angle and the position of the support elements are settable by the user when the user is in the intended position,the support elements are electrically connected to an electric drive,the electric drive is controlled by the at least one operating element. 3. The chair as claimed in claim 2, wherein the support elements are arranged at an angle in a range of 30° to 90° relative to the backrest. 4. The chair as claimed in claim 2, wherein the backrest is adjustable in such a way that the backrest angle is adjustable over a range of 90° to 180°. 5. The chair as claimed in claim 2, wherein at least one of the seat surface and the backrest are heatable. 6. The chair as claimed in claim 2, wherein the chair comprises a lumbar support. 7. The chair as claimed in claim 2, wherein at least one of the seat surface and the backrest comprise, at least in part, a layer of silicone, water, fango or oil, or an inflatable air cushion. 8. The chair as claimed in claim 2, wherein the chair comprises a device for determining the bodyweight or an input element for inputting the bodyweight of the user. 9. The chair as claimed in claim 2, wherein the chair comprises armrests. 10. The chair as claimed in claim 2, wherein the support elements are support elements for upper arms and comprises bearing surfaces of at least 80 square cm. 11. The chair as claimed in claim 2, wherein the backrest and the support elements are simultaneously adjustable by the user. 12. The chair as claimed in claim 11, wherein the backrest and the support elements are adjustable via the at least one operating element. 13. The chair as claimed in claim 2, wherein an inclination of the seat surface is adaptable. 14. The chair as claimed in claim 13, wherein a vertical height of a front edge of the seat surface is adjustable, and a vertical height of a rear edge of the seat surface is fixed relative to the front edge. 15. The chair as claimed in claim 2, wherein the chair comprises a footrest. 16. The chair as claimed in claim 15, wherein the footrest is adjustable independently of the setting of the backrest angle. 17. The chair as claimed in claim 2, wherein via the at least one operating element the support elements can be moved by the user in the intended position. 18. The chair as claimed in claim 17, wherein the at least one operating element is arranged in an area of an armrest of the chair. 19. The chair as claimed in claim 17, wherein the at least one operating element comprises a device for determining a bodyweight or an input element for inputting the bodyweight of the user. 20. The chair as claimed in claim 2, wherein an adjustable headrest, is, arranged on the chair and is designed so that an extension of a cervical spine of the user can be obtained. 21. The chair as claimed in claim 20, wherein the headrest is adjustable by the user. 22. The chair as claimed in claim 21, wherein the headrest is adjustable by the at least one operating element. 23. The chair as claimed in claim 2, wherein the chair is vertically adjustable. 24. The chair as claimed in claim 23, wherein the seat surface is vertically adjustable. 25. The chair as claimed in claim 23, wherein the chair has a vertically adjustable stand.