Steering wheel air bag restraint system for vehicle; has air bag unit stored under cap on hub of steering wheel, where cap is formed as restraint cushion and has at least one exit opening for air bag

摘要

The system has an air bag unit stored under a cap on the hub (3) of a steering wheel (1). The air bag unit has a gas generator (6), a diffuser (7) and an air bag (8). The cap is formed as a restraint cushion (5). At least one exit opening (11) for the air bag is arranged so that it can come out of the steering wheel and expand in the area between the cushion and the steering wheel rim (4).