Patent attributes
A foldable frame structure for baby trailer includes a bottom frame, which includes two side bars and a retractable front bar and a retractable rear bar, two vertical side frames each having two bottom frame bars respectively pivoted to the side bars and an arched top frame bar pivoted to the bottom frame bars, a transverse top bar detachably connected between the arched top frame bars of the two vertical side frames, a trailer bar pivoted to the front side of one side bar of the bottom frame and selectively locked between an extended position and a received position. The retractable rear bar has two angled end pieces respectively affixed to the side bars to reinforce the structural strength of the side bars so that wheels can be directly pivoted to the side bars, saving the cost.
