Abstract: The invention provides a hub motor for a wheeled conveyance having a stationary electric motor encased in a rotating, multi-part housing, at least one of the parts of the housing constituting a wheel disk and a wheel rim, and a reduction gear internal or external to the motor, the output member of which is adapted to drive at least one part of the multi-part housing, wherein the rim portion of the multi-part housing carries, and is in direct contact with, a wheel tire.

Abstract: A foldable armrest unit for a seat having a collapsible seat back, including an armrest one end of which is articulated to first joint device affixed to a lateral surface of the seat back, the armrest unit further including an armrest support member, one end of which is articulated to the armrest and the other end of which is articulated to second joint device affixed to a lateral surface of the seat; the armrest having three limit positions: a first limit position being the position of use, in which the seat back is in an upright position and the armrest is in a substantially horizontal position; a second limit position in which the seat back is still in the upright position, while the armrest is swung towards the seat back to facilitate access to and egress from the seat, and a third limit position in which the armrest is completely folded down, together with the collapsed seat back.