US Patent 11318905 Side airbag apparatus

A side airbag apparatus includes: an airbag cushion having a rear end configured to be secured to a side surface of a seat and a front end configured to move forwards while the airbag cushion is deployed forwards when gas is injected into the airbag cushion; at least one support tether having a first side coupled to a side surface of the seat to be rotatable about a rotating shaft extending in a direction parallel to a side of the seat, and extending in a longitudinal direction; and at least one outer tether having a first end coupled to a second side of the support tether, and a second end extending in the longitudinal direction and coupled to the front end of the airbag cushion.