WHEELCHAIR COMPRISING A HEIGHT-ADJUSTABLE AND INCLINE-ADJUSTABLE SEAT

摘要

The invention relates to a wheelchair which comprises: a underframe (1) to which front steerable wheels (6) and rear drive wheels (7) are fixed at a distance from one another; a sealing frame (3) which is height-adjustably fixed to said underframe (1), mounted so as to be able to pivot about a rotational axis (D), and which can be incline-adjusted with regard to the horizontal line (H) as well as height-adjusted; and a backrest frame which is connected to the seating frame (3) consisting of two longitudinal tubes (9) lying opposite each other and at least one transverse tube (10) which interconnects these longitudinal tubes (9); a) said seating frame (3) being connected to the underframe (1) by means of at least two telescopic tubes (2) each formed from one lower (2b) and one upper (2a) tube; b) the lower ends of these lower tubes (2b) being rigidly fixed to said underframe (1), and the invention being characterised in that; c) the upper ends of the upper tubes (2a) are connected to the seating frame (3) in the rotational axis (D); d) a detent plate (14) is arranged on each of the longitudinal tubes (9) and connected to the upper tubes (2a), for the purpose of adjusting the incline of the seating frame (3); and e) the rotational axis (D) is provided above said scaling frame (3).

主权项

1. A wheelchair having an underframe on which front steering wheels and rear drive wheels are fastened at a spacing to one another, a seat frame which is fastened on the underframe so as to be height-adjustable, is mounted so as to be pivotable about a rotational axis, and is adjustable in its inclination with regard to a horizontal plane and in its height, and a backrest frame which is connected to the seat frame and which consists of two oppositely situated longitudinal tubes and at least one transverse tube, which connects the longitudinal tubes together, wherein
a) the seat frame is connected to the underframe with at least two telescopic tubes, each telescoping tube being formed by a bottom tube and a top tube, b) bottom ends of the bottom tubes are fastened in a rigid manner to the under frame, c) top ends of the top tubes are connected to the seat frame in the rotational axis, d) a latching plate, which is connected to the top tubes, is arranged on each of the longitudinal tubes for adjusting the inclination of the seat frame, and e) the rotational axis is provided above the seat frame.