A foldable seat for a bleacher seating arrangement includes a seat or seat structure fixedly disposed at a deck portion and a back portion or backrest pivotally disposed at a rear portion of the seat portion. The back portion is pivotable between an upright position, where a person may sit at the seat...http://www.google.com/patents/US7905546?utm_source=gb-gplus-sharePatent US7905546 - Foldable bleacher seats
