US Patent 7631934 Foldable portable stadium chair

A foldable portable stadium chair folds between a collapsed position for carrying and an open position for seating. Such chair includes an adjustable base member engageable with and securable to a bleacher bench, a chair frame coupled to the adjustable base member and having at least a portion thereof movable towards and away from the adjustable base member, a chair back coupled to a substantially vertical portion of the chair frame, and a chair seat coupled to a substantially horizontal portion of the chair frame.