Portable baby carriage

Claim 1

A portable baby carriage comprising a seat portion, a backrest pivotally mounted at the rear of the seat portion, a foot rest pivotally mounted at the front of the seat portion, a case firmly secured to each side of the seat portion and adapted to receive a respective pair of front and rear wheels, rear and front axle units each having the wheels at the both ends thereof extend through the side walls of the seat portion, means for holding the wheels in an extended or retracted position, and a substantial U-shaped rod slidably mounted on the upper portion of the backrest and adapted for use as a handle for pushing the carriage when it is extended upward from the backrest and as a grip for carrying the collapsed carriage when it is retracted into the backrest, said holding means comprising brackets fixed to each axle unit at a predetermined space and having a sector portion with a radius larger than the radius of other portions of the bracket, stoppers secured on the inner walls of the cases and adapted to abut the radial surfaces of each sector, and locking means secured on the inner walls of the case and adapted to abut the radial surfaces of at least one of both sectors on each axle unit, the extension and retraction of the wheels being effected by disengaging the sector of the bracket and the locking means and by displacing the axle units into the predetermined position, the carriage being so shaped, on collapsing the carriage, the collapsed carriage is in the form of a suitcase with the wheels received within the respective cases.