Patent ID: 7896384

Claim:
A free-standing stroller, comprising: at least one front axle; at least one rear axle; at least one handle; and an interconnecting structure providing a seat for an infant, the interconnecting structure interconnecting the at least one handle, the at least one front axle, and the at least one rear axle; wherein the stroller comprises, on a first side, a first set of multiple interlocking mechanisms integrated into the stroller configured to be coupled to a different freestanding stroller having a corresponding first set of multiple interlocking mechanisms, the first set of multiple interlocking mechanisms to laterally couple the stroller and the different stroller; wherein one of the first set of multiple interlocking mechanisms is integrated into an end of the at least one handle and configured to be coupled to a corresponding one of the first set of multiple interlocking mechanisms integrated into an end of a handle of said different stroller; and wherein the other of the first set of multiple interlocking mechanisms is integrated into the at least one front axle and comprises a spring loaded ball that is restored from a depressed state when inserted into a corresponding one of the first set of multiple interlocking mechanisms integrated into a front axle of said different stroller.