Patent ID: 8251382

Claim:
A seat assembly mechanism for a stroller having a seat frame and a main frame, the seat assembly mechanism comprising: a positioning device disposed on the seat frame, the positioning device comprising a positioning pin movable between a locking position and a releasing position; and a seat supporting member disposed on the main frame, the seat supporting member comprising a positioning-device recipient corresponding to the positioning device and a positioning groove located at a side of the positioning-device recipient; wherein the positioning device is detachably assembled to the seat supporting member, the positioning pin inserts into the positioning groove when the positioning device is disposed in the positioning-device recipient of the seat supporting member for assembling the seat frame to the main frame, the positioning device and the seat supporting member are only held together in the locking position by the positioning pin being inserted into the positioning groove, and when the positioning pin completely disengages from the positioning groove, for detaching the positioning device is removable from the positioning-device recipient of the seat supporting member, and the seat frame may be disassembled from the main frame.