Patent ID: 7472959

Claim:
A foldable seat comprising: a base that underlies a seat occupant supporting surface; a backrest; a snap-fit pivot arrangement attaching the backrest to the base such that the backrest is pivotable between a generally upright position and a folded position disposed from the generally upright position; a detent arrangement formed of the base and the backrest that is disposed within the seat when the backrest is located in the generally upright position with the detent arrangement including a first interference stop that prevents pivotable movement of the backrest when in the generally upright position away from the generally upright position and away from the folded position and a second interference stop adjacent the first interference stop that releasably retains the backrest in the generally upright position by opposing pivotable movement of the backrest toward the folded position when in the generally upright position but permitting pivotable movement of the backrest toward the folded position with application of manual force; and wherein the snap-fit pivot arrangement is comprised of a ball formed of one of the backrest and the base that is pivotably received in a socket formed in the other one of the backrest and the base defining a plurality of interiorly hidden pivot joints therebetween.