Occupant protection device

An occupant protecting device provided inside or below a seat cushion of a vehicle seat, containing:

• an airbag cushion capable of expanding and deploying to push up a seat surface of the seat cushion;
• and
• an inflator that supplies gas for expansion and deployment into the interior space of the airbag cushion in the event of a vehicle emergency,
• the airbag cushion comprising:
• a lower panel;
• an upper panel with a length in the front-rear direction of the vehicle seat that is longer than that of the lower panel;
• and
• mutually opposing side panels joined to the lower panel and the upper panel;
• wherein
• the interior space is defined by the upper panel, the lower panel, and the mutually opposing side panels;
• the airbag cushion having:
• at least one first mounting point provided on at least the lower panel and attached on the vehicle seat side;
• and
• at least one second attaching point provided on at least the lower panel and attached to the vehicle seat side on a rear side of the at least one first attaching point in a front-rear direction of the vehicle seat;
• and
• the lower panel and the upper panel are mutually joined proximal to each of the at least one first mounting point and the at least one second mounting point.