Patent attributes
The occupant protection device that protects an occupant boarding on a vehicle and includes: a base portion fixed to the vehicle; an operation portion connected to the base portion and configured to move back and forth between a first position serving as an initial position and a second position used to suppress movement of the occupant when inertial force acts on the occupant; and a control unit configured to perform movement control to move the operation portion from the first position to the second position. The operation portion is movable repeatedly from the first position to the second position through the movement control by returning to the first position after having moved from the first position to the second position. The occupant protection device includes an buffering means configured to buffer a collision impact on the occupant against the operation portion when the operation portion moves to the second position.