Patent ID: 7721357

Claim:
A wearable air bag device comprising: an air bag, an inflator which supplies a gas to the air bag and develops the air bag, a reel which is incorporated into the wearable air bag device, a wire which is wound around the reel, and a terminal which is provided to an end of the wire, the terminal being connectable to a vehicle side via a receiving jig which is attached to the vehicle side, wherein the terminal and the receiving jig on the vehicle side are connectable to each other such that the connection therebetween is released by a tension of a predetermined value applied to the wire, and the wearable air bag device further including: a sensor which detects a rotational angular speed of the reel; a control device which outputs a command which operates the inflator when the rotational angular speed detected by the sensor exceeds a predetermined value, and a power source for the control device.