Patent ID: 7364183
Filing Date: 2008-04-29
Classification: B62B

Abstract:
1. A baby stroller comprising: two horizontal links, a handle, a pair of front wheel links, two extension links connected to the front wheel links, a pair of sub-links pivotably connected to the handle by two connection links, two front wheels connected to the two extension links, a pair of rear wheel links, two rear wheels connected to the rear wheel links, the two horizontal links pivotably connected between the rear links and the sub-links, the extension links crossly connected to the rear wheel links, a first cable connected to the front wheel links, a seat composed of a plurality of rods, and a rotation unit connected to an underside of the seat and two insertions connected on two sides of an underside of the rotation unit, the two insertions inserted into a positioning unit, the rotation unit having a disk and positioning rods of the seat connected to the disk, a plurality of positioning holes defined in a periphery of the disk, a shaft extending through a center of the disk and a base, the base having two wings and the two insertions pivotably connected to the wings, each wing having a biasing member inserted therein which is connected with a second cable, the biasing member inserted into one of the positioning holes to position the disk and the seat at an angle.