Patent ID: 7128367

Claim:
A foldable highchair framework comprising: a folded support stand including a front stand, a rear stand and a pivoting base connected to each other, wherein the pivoting base is connected to the upper ends of the front stand and rear stand, and the front stand and the rear stand are drawn close in folding the folded support stand; a chair for seating a toddler, with the chair pivotally mounted to the folded support stand, with the chair including a seat and a backrest pivoted to each other; a link assembly pivotally engaging the folded support stand and the chair, with the linking assembly linking the folded support stand with the seat and the backrest of the chair to be drawn close as the front and rear stands are drawn close; and a positioning mechanism provided between the folded support stand and the chair for manipulating the highchair framework to expand the highchair into a fixed state or releasing the highchair into a folded state, wherein the chair further includes a wedge portion engageable with the positioning mechanism to take on the fixed state, wherein the positioning mechanism further includes a pushbutton, a driving piece, a wedge piece and a resilient member, with the pushbutton pivotally mounted to the pivoting base of the folded support stand, with the wedge piece mounted to the pushbutton by the driving piece, wherein the wedge piece is engaged to the wedge portion of the chair by the resilient member.