Patent ID: 7246813

Claim:
A folding mechanism for folding a baby carriage, comprising: a casing; first and second pipes connected to opposite ends of said casing via hinged joints, respectively, said first and second pipes defining a handle for a baby carriage, wherein each of said hinged joints includes an inner member adjacent to said casing and an outer member adjacent to a respective one of said first and second pipes, with said outer member being pivotable relative to said inner member; actuating structure for pivoting each said outer member relative to a corresponding said inner member such that the baby carriage can be folded or unfolded, wherein said actuating structure is disposed between said casing and each said outer member and comprises (i) a first actuating member slidably received within said casing, said first actuating member having a forward end part pivotally connected to said outer member of one of said hinged joints at an eccentric position of said outer member of said one of said hinged joints, and also having a base end part including one of a thread and a rack, and (ii) a second actuating member slidably received within said casing, said second actuating member having a forward end part pivotally connected to said outer member of another of said hinged joints at an eccentric position of said outer member of said another of said hinged joints, and also having a base end Dart including one of a thread and a rack; and a helical gear interposed between said base end parts of said first and second actuating members for engagement with the one of the thread and rack of said first and second actuating members.