A protective shroud for a swing arm includes a housing made of two shroud sections that are snapped together around the base of a fixed seating arrangement. The assembled shroud includes two rectangular openings on its sides configured to allow the swing arms of the fixed seating arrangement to pivot...http://www.google.sh/patents/US7703844?utm_source=gb-gplus-sharePatent US7703844 - Method of shielding a swing arm in a seating arrangement having a movable seat
