Seat assembly for a wheelchair

Abstract

A seat assembly for a wheelchair, comprising: a seat base including a first profiled track, and a second profiled track extending parallel with the first profiled track, a first backrest bracket, a second backrest bracket, a backrest assembly mounted to the first backrest bracket (5) and the second backrest bracket, wherein each of the first backrest bracket (5) and the second backrest bracket has a bracket base (5a) having a bevelled first edge portion (5d), a pair of first locking wedges (19a),and a plurality of fasteners (23), each attaching one of the first locking wedges to a respective bevelled first edge portion (5d), wherein for each pair of bracket base (5a) and first locking wedge (19a) attached to the bevelled first edge portion (5d) of the bracket base (5a) at least one of the pair of the bracket base (5a) and the first locking wedge (19a) has an anchoring structure (5g, 21a) with a profile shape adapted to engage with one of the first profiled track and the second profiled track, each anchoring structure (5g, 21a) thereby pressing against one of the first profiled track and the second profiled track, locking the first backrest bracket (5) and the second backrest bracket to the seat base.

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