Abstract: 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).

Abstract: A vehicle frame assembly (4) including a hinge device (16), the hinge device (16) having first and second hub devices (22) and a third hub device (22) interposed between the first and second hub devices (22), the first and second hub devices (22) releasably engage with the third hub device (24) for locking the vehicle frame assembly (4) in an erected condition, wherein the first and second hub devices (22) have inwardly-projecting lugs (26) about their periphery and the third hub device (24) includes at its periphery recesses (28), the recesses (28) and the inwardly-projecting lugs (26) arranged to loosely interdigitate in the erected condition, and wherein the inwardly-projecting lugs (26) comprise inwardly-projecting ramped portions and the third hub device (24) comprises, bounding the recesses (28), corresponding outwardly-projecting ramped surface portions (40).

Abstract: A vehicle frame assembly (4) including a hinge device (16), the hinge device (16) having first and second hub devices (22) and a third hub device (22) interposed between the first and second hub devices (22), the first and second hub devices (22) releasably engage with the third hub device (24) for locking the vehicle frame assembly (4) in an erected condition, wherein the first and second hub devices (22) have inwardly-projecting lugs (26) about their periphery and the third hub device (24) includes at its periphery recesses (28), the recesses (28) and the inwardly-projecting lugs (26) arranged to loosely interdigitate in the erected condition, and wherein the inwardly-projecting lugs (26) comprise inwardly-projecting ramped portions and the third hub device (24) comprises, bounding the recesses (28), corresponding outwardly-projecting ramped surface portions (40).

Abstract: 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).

Abstract: A vehicle frame assembly (4) including a hinge device (16), the hinge device (16) having first and second hub devices (22) and a third hub device (22) interposed between the first and second hub devices (22), the first and second hub devices (22) releasably engage with the third hub device (24) for locking the vehicle frame assembly (4) in an erected condition, wherein the first and second hub devices (22) have inwardly-projecting lugs (26) about their periphery and the third hub device (24) includes at its periphery recesses (28), the recesses (28) and the inwardly-projecting lugs (26) arranged to loosely interdigitate in the erected condition, and wherein the inwardly-projecting lugs (26) comprise inwardly-projecting ramped portions and the third hub device (24) comprises, bounding the recesses (28), corresponding outwardly-projecting ramped surface portions (40).

Abstract: A vehicle frame assembly (4) which includes an interface portion (10) having first and second mounting regions for releasably mounting on the assembly (4), one behind the other, respective first and second child-carrying units (12) in an echelon formation upwardly relative to the assembly (4) wherein the interface portion (10) is a sub-fame assembly detachably connected to the frame assembly (4).