Cushion of curtain air bag device

摘要

A cushion of a curtain air bag device may include: a cushion body part including: a main chamber receiving gas from an inflator and spreading to form a single gas layer, when a vehicle collides; and a reinforcement chamber forming a plurality of gas layers overlapping each other, and inflating more than the main chamber; and a tether part fastening the reinforcement chamber to maintain an overlapping state, when the cushion body part is expanded.

主权项

1. A cushion of a curtain air bag device, comprising:
a cushion body part, configured to receive gas from an inflator in response to a collision-related detection, comprising:
a main chamber configured to form a gas layer when inflated; anda reinforcement chamber disposed adjacent the main chamber, the reinforcement chamber configured to form overlapping gas layers and to protrude further toward a vehicle occupant than the main chamber when inflated; and a tether part fastening the reinforcement chamber, the tether part configured to maintain an overlapping state of the reinforcement chamber when the cushion body part is being inflated, wherein the reinforcement chamber is configured to form the overlapping gas layers by a front vertical fold in the cushion body part and a rear vertical fold in the cushion body part.