A baby carriage chassis (100) includes a pair of rear rods (22), a pair of front rods (21), a pair of seat rods (26), each of which interconnects an adjacent pair of the front and rear rods (21, 22), a pair of supporting protrusions (922) protruding transv...

A connecting device (300) for connecting a child seat (900) releasably to a retaining ring (10) includes a main body (30) connected fixedly to the child seat (900), and a retaining member (32) disposed rotatably on the main body (30). The retaining ring (1...