Abstract: An electrically powered wheelchair includes a chassis, seat frame, seat frame tilt and lift system, armrest assembly pivotally coupled to the seat frame, and armrest adjustment arrangement including: a first force transmitting arrangement having a first set of four pivot points and pivotally coupled to: an arm of the seat frame tilt and lift system via a first pivot point of the first set of four pivot points, and lifting member of the seat frame tilt and lift system via a second pivot point of the first set of four pivot points, and a second force transmitting arrangement having a second set of four pivot points and pivotally coupled to: the first force transmitting arrangement via a first pivot point of the second set of four pivot points, the seat frame via a second pivot point of the second set of four pivot points, and the armrest assembly.

Abstract: The present disclosure relates to an electrically powered wheelchair comprising a chassis, a seat frame, a seat frame tilt and lift system having a lifting member arranged to provide translational movement of the seat frame relative to the chassis, and a first arm (11) which in cooperation with the lifting member is arranged to tilt the seat frame relative to the chassis, an armrest assembly (19) pivotally coupled to the seat frame, and an armrest adjustment arrangement (17) comprising: a first force transmitting arrangement (21) having four pivot points (21-1, 21-4) defining the vertices of a first parallelogram, which first force transmitting arrangement (21) is pivotally coupled to the first arm (11) via a first pivot point (21-1) of the four pivot points defining the vertices of the first parallelogram, and pivotally coupled to the lifting member via a second pivot point of the four pivot points defining the vertices of the first parallelogram, and a second force transmitting arrangement (23) having four