US Patent 7273226 Air bag device and motorbike with air bag device

A construction technology for an air bag which contributes to adequate protection of the driver in an accident, and related technologies are provided. A two-wheeled motor vehicle serving as a motorbike is equipped with an air bag device including an air bag for deploying and inflating in a driver-protection area formed on the front side of the driver in the event of a frontal collision and a retainer capable of storing this air bag. With respect to the air bag, a part of this air bag is disposed outside the retainer, and this disposition portion is mounted along the long-length direction (longitudinal direction) of a handlebar.