US Patent 10899303 Passenger protection apparatus for vehicle

A passenger protection apparatus for a vehicle includes an armrest, a movable member, and a controller. The armrest is provided on a side of a seat in a vehicle on which an arm of a passenger sitting on the seat can be placed. The movable member is provided in the armrest, and configured to move from the armrest toward a side of an upper body of the passenger sitting on the seat and retract into the armrest. The controller is configured to move and retract the movable member in accordance with a behavior of the vehicle.