Patent ID: 9227648
Filing Date: 2016-01-05
CPC Classification: B62B

Claim Text:
1. A compact collapsible stroller comprising a seat shell configured to receive an infant, a rolling base including a shell-support frame, and a shell mount configured to interconnect the seat shell and the rolling base to support the seat shell in a supported position above the rolling base for movement therewith in an expanded use mode associated with the rolling base and to release the seat shell from the supported position to permit separation of the seat shell from the rolling base in a collapsed storage mode associated with the rolling base, wherein the rolling base further includes a front wheel unit mounted on a front end of the shell-support frame for pivotable movement about a front pivot axis between a retracted position arranged to lie under the shell-support frame in the collapsed storage mode of the rolling base and an extended position arranged to extend away from an underside of the shell-support frame to elevate the front end of the shell-support frame above ground underlying the rolling base in the expanded use mode of the rolling base and a rear wheel unit mounted on a rear end of the shell-support frame for pivotable movement about a rear pivot axis between a retracted position arranged to lie under the shell-support frame in the collapsed storage mode of the rolling base and an extended position arranged to extend away from the underside of the shell-support frame to elevate the rear end of the shell-support frame above ground underlying the rolling base in the expanded use mode of the rolling base, and wherein a first front wheel included in the front wheel unit moves rearwardly to lie in close proximity to the rear end of shell-support frame in the collapsed storage mode of the rolling base and a first rear wheel included in the rear wheel unit is arranged to move forward to lie in close proximity to the front end of the shell-support frame in the collapsed storage mode of the rolling base wherein the shell-support frame comprises a central basket-receiving aperture and the stroller comprises a basket configured to mate with the shell-support frame in a stroller mode with the basket extending downwardly through the central basket-receiving aperture toward ground underlying the rolling base.