Patent ID: 7150500

Claim:
A vehicle seat for operating advantageously at least in a crash, the vehicle seat comprising: a seat part structure; a seat cushion positioned on the seat part structure, wherein the seat cushion includes a recess; an antisubmarining ramp mounted for moving in the recess at least in response to, and at the latest at the beginning of, a crash, wherein the antisubmarining ramp comprises a hoop, the antisubmarining ramp being mounted for moving in the recess comprises the hoop being mounted for pivoting in the recess from a flat position into a raised position, and the hoop is biased toward the raised position; a retaining element for releasably securing the hoop in the flat position; and an actuator operative for at least indirectly securing the retaining element so that the retaining element secures the hoop in the flat position, and at least indirectly releasing the retaining element at the latest at the beginning of the crash, so that the retaining element releases the hoop, whereby the hoop pivots to the raised position.