US Patent 9242665 Vehicle frame assembly

Apparatus comprising a vehicle frame assembly (4), first and second hinge devices (12) located on respective opposite sides of said frame assembly (4) and a child-carrying unit (26) mounted to the frame assembly (4), wherein the hinge devices (12) include first and second hinge parts (14 and 20), the first hinge part (14) having a child-carrying unit receptor device (28) for receiving respective first and second mounting devices of said child-carrying unit (26), wherein the receptor device (28) is resiliently rotatable relative to the first part (14).