Patent ID: 7387310

Claim:
A foldable baby trailer comprising a bottom frame equipped with two rear wheel assemblies, a foldable trailer bar pivoted to said bottom frame and connectable to a bicycle, a front wheel assembly mounted on one end of said foldable trailer bar, a handlebar, a top frame bar, two rear frame bars and two front frame bars, wherein: said handlebar comprises a top grip and two bottom rods respectively downwardly extending from two distal ends of said top grip, said bottom rods each having a top end fixedly connected to said top grip, a bottom end, and a U-lug fixedly secured to a middle part thereof between the top end and the bottom end; said top frame bar comprises a transverse rod and two end pieces respectively extended from two distal ends of said transverse rod at right angles and respectively pivoted to the top ends of the bottom rods of said handlebar; said bottom frame comprises a transverse front rod, a transverse rear rod, two side rods respectively connected between two ends of said transverse front rod two ends of said transverse rear rod and arranged in parallel, two wheel holders respectively affixed to said side rods to support a respective rear wheel, and a holder frame affixed to a bottom side of one of said side rods adjacent to said transverse front rod, said two front frame bars each have a top end respectively pivoted to the end pieces of said top frame bar adjacent to the transverse rod of said top frame bar and a bottom end respectively pivoted to the two side rods of said bottom frame adjacent to said transverse front rod; said two rear frame bars each have a top end respectively pivoted to the U-lugs at the bottom rods of said handlebar, a middle part, a swivel hook pivoted to the middle part and adapted to lock the bottom ends of the bottom rods of said handlebar, and a bottom end respectively pivoted to two distal ends of the transverse rear rod of said bottom frame.