US Patent 7581737 Wheeled platform for coupling to a pushchair

The invention relates to a wheeled platform for coupling to a pushchair, in particular for transporting a standing child, the platform comprising a footplate (2) provided with wheels (3) and at least one coupling arm (4) having a first end (6) fitted to the footplate and a second end (10) adapted to co-operate with means (12, 13) for securing it to the pushchair, wherein the first end (6) of the coupling arm (4) is received directly in an orifice (7) of the footplate (2), without any intermediate part.