초록 ▼

A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the lower frame section there are dispose

A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the lower frame section there are disposed the wheels of the wheelchair, and on the upper frame section there are disposed the seat, the back rest, and the foot rests. The wheelchair has an adjustment device for vertical adjustment of the upper frame section in relation to the lower.

대표청구항 ▼

What is claimed is: 1. A wheelchair comprising: a frame which supports a pair of wheels, a seat, and a backrest; the seat in the backrest being adjustable in relation to one another; the frame comprising of lower frame section with the wheels of the wheelchair and an upper frame section with the se

What is claimed is: 1. A wheelchair comprising: a frame which supports a pair of wheels, a seat, and a backrest; the seat in the backrest being adjustable in relation to one another; the frame comprising of lower frame section with the wheels of the wheelchair and an upper frame section with the seat and backrest; an adjustment device which vertically adjusts the upper frame section in relation to the lower frame section and adjust the seating angle; the adjustment device including the first series of adjustment positions which adjusts a connection point between the upper and the lower frame sections and adjusts the height of the wheelchair; and the adjustment positions having uniform mutual spacing in the vertical direction, mutual spacing in the horizontal direction chosen such that a seating angle is kept constant at a new vertical adjustment position while the adjustment device is otherwise unaffected, wherein the adjustment device includes at least one stay which, at its ends, is connected to the upper frame section and to the lower frame section. 2. The wheelchair according to claim 1, further comprising foot rests and said foot rests being adjustable. 3. The wheelchair as claimed in claim 1, wherein the upper frame section and the lower frame section are interconnected to one another at at least one connection point so that a triangle is formed of the at least one connection point and the end points of the at least one stay and, the at least one connection point being opposed to that side of the triangle which comprises the at least one stay. 4. The wheelchair as claimed in claim 3, wherein the adjustment device includes a second series of adjustment positions which adjust a rear end point of the at least one stay in relation to the lower frame section and adjust the seating angle. 5. A wheelchair comprising: a frame which supports a pair of wheels, a seat, and a back rest; the seat and the back rest being adjustable in relation to one another; the frame comprising a lower frame section with the wheels of the wheelchair and an upper frame section with the seat and the back rest; an adjustment device for vertical adjustment of the upper frame section in relation to the lower frame section; the adjustment device including a series of adjustment positions for adjusting a connection point between the upper and the lower frame sections; the adjustment positions having uniform mutual spacing in the vertical direction, mutual spacing in the horizontal direction chosen such that a seating angle is kept constant at a new vertical adjustment position while the adjustment device is otherwise unaffected; the adjustment device including at least one stay which, at its ends, is connected to the upper frame section and to the lower frame section; the upper frame section and the lower frame section being interconnected to one another at at least one connection point so that a triangle is formed of the at least one connection point and the end points of the at least one stay and, the at least one connection point being opposed to that side of the triangle which comprises the at least one stay; and wherein the adjustment device includes a series of adjustment positions for adjusting a rear end point of the at least one stay in relation to the lower frame section. 6. The wheel chair as claimed in claim 5, wherein the adjustment positions comprise holes. 7. The wheelchair as claimed in claim 1, wherein the at least one stay is adjustable in its longitudinal direction. 8. A wheelchair comprising: a frame which supports a pair of wheels, a seat, and a back rest; the seat and the back rest being adjustable in relation to one another; the frame comprising a lower frame section with the wheels of the wheelchair and an upper frame section with the seat and the back rest; an adjustment device for vertical adjustment of the upper frame section in relation to the lower frame section; the adjustment device including a series of adjustment positions for adjusting a connection point between the upper and the lower frame sections; the adjustment positions having uniform mutual spacing in the vertical direction, mutual spacing in the horizontal direction chosen such that a seating angle is kept constant at a new vertical adjustment position while the adjustment device is otherwise unaffected; the adjustment device including at least one stay which, at its ends, is connected to the upper frame section and to the lower frame section; and wherein the at least one stay includes a resilient or damper element. 9. The wheelchair as claimed in claim 8, wherein the resilient or damper element comprises an elastomer element. 10. The wheelchair as claimed in claim 8, wherein the resilient or damper element is replaceable for realizing an alteration of road properties of the wheelchair.