Patent attributes
A stroller frame having forwardly extending right and left side front supports, rearwardly extending right and left side rear supports, and upwardly extending right and left side handle supports moveable connected to permit movement of the frame between deployed and collapsed orientations, and a downwardly folding seat frame connected to the front and rear supports having right and left side fold mechanisms which are configured to lock the frame in the deployed configuration, apply a biasing force to fully deploy the seat frame during the unfolding movement, and isolate the biasing force while applying a folding force to the seat frame during the folding operation, actuation of the fold mechanisms based on frame orientation and position of a release handle.