Curtain airbag and curtain airbag device

• US 10,479,314 B2
• Filed: 03/06/2018
• Issued: 11/19/2019
• Est. Priority Date: 03/08/2017
• Status: Active Grant

• Current Assignee: Joyson Safety Systems Japan GK
• Original Assignee: Joyson Safety Systems Japan K.K.
• Inventors: Sugimori, Sakae
• Primary Examiner(s): Brown, Drew J
• Application Number:
  US15/912,912
• Publication Number:
  US 20180257600A1
• Time in Patent Office: 623 Days
• CPC Class Codes: B60R 2021/23386 External tether means
• CPC Class Codes: B60R 21/23138 specially adapted for side protection B60R21/23184, B60R21/232 take precedence
• CPC Class Codes: B60R 21/232 Curtain-type airbags deploying mainly in a vertical direction from their top edge
• CPC Class Codes: B60R 21/2338 Tethers

Abstract

A curtain airbag and device capable of stabilizing a position of a main panel in a vehicle length direction (longitudinal direction) and in a vehicle width direction (lateral direction) at the time of inflation and development. A curtain airbag is provided with a main panel forming an inflatable portion, a guide panel arranged on a rear surface arranged on a side window side of the main panel, and a connecting member which connects the main panel to a vehicle body, the main panel including a folded portion obtained by folding a lower end in a flat development view toward the rear surface side, the guide panel including an upper end connected to the main panel and a lower end connected to the folded portion, and the connecting member including a first end connected to the vehicle body and a second end connected to the folded portion.

Claims

1. A curtain airbag folded to be stored in an upper portion of a vehicle body in normal times and inflated and developed along a side window in an emergency, the curtain airbag comprising:

a main panel forming an inflatable portion;

a guide panel arranged on a rear surface arranged on a side of the side window of the main panel; and

a connecting member which connects the main panel to the vehicle body,

wherein the main panel includes a folded portion obtained by folding a lower end in a flat development view toward the rear surface side,

the guide panel includes an upper end connected to the main panel and a lower end connected to the folded portion, and

the connecting member includes a first end connected to the vehicle body and a second end connected to the folded portion.

2. The curtain airbag according to claim 1, wherein the first end is connected to an A pillar of the vehicle body, and the second end is connected to a front end of the folded portion.

3. The curtain airbag according to claim 1, wherein the first end is located above the second end in a state where the main panel is inflated and developed.

4. A curtain airbag device comprising a curtain airbag folded to be stored in an upper portion of a vehicle body in normal times and inflated and developed along a side window in an emergency, and an inflator which supplies gas to the curtain airbag,

wherein the curtain airbag is the curtain airbag according to claim 1.