US Patent 12109968 Seat airbag assembly

An assembly includes a vehicle seat including a seat back, an upper airbag mounted to the seat back, a lower airbag mounted to the seat back below the upper airbag, a flexible conduit fluidly coupling the upper airbag and the lower airbag, and a device actuatable between a first state permitting airflow through the conduit and a second state blocking airflow through the conduit.