Patent ID: 8056971

Claim:
A child restraint comprising a juvenile vehicle seat and an energy-dissipation system coupled to the juvenile vehicle seat, the energy-dissipation system including a first force dissipater including a first air bag formed to include a first air chamber and a first air-discharge port opening into the first air chamber and first vent means coupled to the first air bag for venting pressurized air developed in the first air chamber through the first air-discharge port during deformation of the first air bag caused by exposure of the first air bag to an external impact force associated with an external impact force applied to the juvenile vehicle seat, wherein the first air bag is formed to locate the first air-discharge port between the first air chamber and the first vent means, wherein the first air bag is undivided and further includes a second air-discharge port separated from the first air-discharge port and arranged to open into the first air chamber and the first vent means includes a first valve unit coupled to the first air bag and configured to regulate flow of air through the first air-discharge port and a separate second valve unit coupled to the wall and configured to regulate flow of air through the second air-discharge port.