Partition systems and methods for seat assemblies

A seat assembly, comprising:

• a backrest including a retaining chamber and a guide axle within the retaining chamber;
• one or more armrests;
• a partition system including one or more barrier walls movable between a stowed position and a deployed position, wherein one or more portions of the one or more barrier walls are contained within the retaining chamber when the one or more barrier walls are in the stowed position, and wherein the guide axle is configured to engage the one or more barrier walls;
• and
• an actuator operatively coupled to the guide axle, wherein the actuator is configured to operate to automatically move the one or more guide barriers between the stowed position and the deployed position.

A vehicle comprising:

• an internal cabin;
• and
• seat assemblies within the internal cabin, wherein the seat assemblies comprise:
• a backrest including a retaining chamber extending between and through both sides of the backrest;
• one or more armrests;
• and
• a partition system including one or more barrier walls movable between a stowed position and a deployed position, wherein one or more portions of the one or more barrier walls are contained within the retaining chamber when the one or more barrier walls are in the stowed position.