Recliner mechanism

A seat system for an occupant of a vehicle, the system comprising:

• a seat back;
• a seat bottom;
• and
• a tube recliner mechanism for providing adjustable rotation of the seat back for comfort of the occupant, the tube recliner mechanism including an inner tube extending laterally in a cross vehicle direction and an outer tube positioned around the inner tube;
• wherein relative rotational position of the inner and outer tubes is configured to change and be locked using an internal locking mechanism;
• wherein the tube recliner mechanism is located adjacent a seat cushion and includes a shroud positioned to cover the tube recliner mechanism, and
• wherein the shroud is configured to prevent interference between the tube recliner mechanism and adjacent components of the seat,
• wherein one of the shroud and the outer tube includes projections facing the other of the outer tube and the shroud for maintaining a radial distance between an inner circumferential surface of the shroud and an outer circumferential surface of the outer tube, and
• wherein the projections are fixed in stationary positions relative to a main body of the one of the shroud and the outer tube.