Curtain airbag apparatus for car

A curtain airbag apparatus for a car, comprising:

• a cushion part installed in a car body, and configured to be deployed between the car body and a passenger by a gas supplied through an inflator;
• a tether part formed between the cushion part and the car body, and formed to have a side and another side thereof connected to the cushion part so as to guide a deployment shape of the cushion part;
• and
• a bending guide part configured to form a groove at a side surface of the cushion part such that the gas is not supplied to the groove, and configured to guide the cushion part to have a concave shape toward the car body;
• wherein the cushion part comprises:
• a cushion body configured to expand by the gas supplied through the inflator;
• and
• a pattern part configured to form a region in the cushion body such that the gas is not supplied to the region, the pattern part being connected to both sides of the tether part, where in the pattern part is disposed away from the bending guide part;
• wherein the pattern part is configured to extend in a top-to-bottom direction of the cushion body while forming a looped curve in the cushion body, and comprises a first connection part to which the top of the tether part is connected and a second connection part to which the bottom of the tether part is connected.