US Patent 10035437 Collapsible stroller assembly

A collapsible stroller assembly for combining a car seat and a stroller includes a car seat that has a chair portion and a backrest portion. The car seat is selectively positioned in a vehicle. A plurality of rollers is provided and each of the rollers is pivotally coupled to the car seat. Each of the rollers is selectively positioned in a deployed position to roll along a support surface. Each of the rollers is selectively positioned in a stored position. An audio unit is coupled to the car seat to emit audible sound. The audio unit is selectively placed in electrical communication with an extrinsic electronic device to receive an audio signal.