Curtain airbag device and occupant protecting device

A curtain airbag device comprising:

• a main deploying portion that, at a time when a side impact arises, and at a time when at least one of a small overlap impact or an oblique impact arises, receives a supply of gas and expands, and the main deployment portion is deployed in a shape of a curtain along a side window glass;
• an auxiliary deploying portion that is structure by a plurality of chambers that are deployed so as to be adjacent in a vehicle front-rear direction, the plurality of chambers being connected to one another by a connecting body at a vehicle width direction outer side, the auxiliary deploying portion is provided at a front side, in the vehicle front-rear direction, with respect to the main deploying portion, and the auxiliary deploying portion, at a time of at least one of a small overlap impact or an oblique impact, receives a supply of gas and is expanded and deployed;
• and
• a tension structure that connects a front end side portion in the vehicle front-rear direction of a front pillar and a rear end side portion in the vehicle front-rear direction of the front pillar, and the tension structure is deployed while receiving tension such that an intermediate portion of the tension structure in the vehicle front-rear direction passes by a vehicle width direction outer side of the auxiliary deploying portion.