Patent ID: 7229091

Claim:
A stroller convertible between an unfolded state and a folded state, said stroller comprising: a wheel frame; a handle frame disposed pivotally on said wheel frame and pivotable on said wheel frame between an inclined position and a generally horizontal position; a brace member interconnecting said handle frame and said wheel frame and convertible between a supporting state, where said handle frame is disposed at said inclined position and where said stroller is in said unfolded state, and a non-supporting state, where said handle frame is disposed at said horizontal position and is folded on said wheel frame and where said stroller is in said folded state; a biasing unit including a torsional spring and a pressure cylinder, each of which interconnects said handle frame and said wheel frame so as to bias said handle frame to said inclined position; and a retaining unit maintaining said stroller in said folded state and allowing for one touch operation so as to permit said handle frame to be biased by said biasing unit to said inclined position.