Car seat and stroller assembly

A car seat stroller assembly which is convertible between a child car seat and a child stroller, the car seat stroller assembly comprising:

• a child car seat adapted to be removably secured to a fixed car seat of an automobile, the child car seat comprising a seat body, the seat body having a bottom portion and a back portion, the bottom portion having a front end and a rear end, the back portion having a top end and a bottom end, the bottom end of the back portion being connected to the rear end of the bottom portion;
• a wheel assembly pivotally secured to the seat body at a location near the rear end of the bottom portion of the seat body and near the bottom end of the back portion of the seat body, wherein the wheel assembly comprises two side members, each side member having a first end and a second end, wheels are rotatably mounted on each of the first ends of the two side members,
• when the wheel assembly is converted into an extended position, a first notch formed in each of the second ends of the side members engages a respective pin secured to sides of the seat body to thereby prevent the wheel assembly from movement in a direction toward the wheels and in a direction away from the bottom end of the back portion,
• when the wheel assembly is converted into a retracted position, a second notch formed in each of the side members at a location between the wheels and the first notches engages said respective pins to prevent the wheel assembly from movement in a direction away from the back portion of the seat body, wherein when the wheel assembly is in the retracted position, the wheels are located near the top end of the back portion of the seat body;
• and
• a handle assembly secured to the seat body at a location along the back portion of the seat body.