# US 10,369,957 B2 · Side airbag device and airbag in side airbag device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,369,957 B2 - Document ID: US10369957B2 - Status: Granted - Kind: B2 - Application number: 15/505,766 - Filed: 2015-07-28 - Published: 2017-09-28 - Granted: 2019-08-06 - Earliest claimed: 2014-08-26 - Assignees: Autoliv Development AB - Applicants: Naoki Hatakeyama; Keita Eguchi; Yuto Kobayashi - Inventors: Naoki Hatakeyama; Keita Eguchi; Yuto Kobayashi - Web page: https://patentgrep.com/patent/US10369957B2 ## CPC - B60R 21/237: characterised by the way they are folded - B60R 21/207: in vehicle seats - B60R 21/23138: {specially adapted for side protection (B60R21/23184, B60R21/232 take precedence)} - B60R 2021/23146: {seat mounted} - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR ## Abstract A side airbag for enhancing protection of a shoulder area of a vehicle occupant having an airbag (10) which deploys beside an occupant toward the vehicle front, and an inflator (20). Before deploying, the airbag (10) is in a state having: an overlapping part (12) formed by overlapping a portion near an end part by accordion-folding or rolling; a folded-back part (14) on an inner side of the overlapping part (12) in a vehicle width direction and extended toward the front of the vehicle and folded back toward the rear of the vehicle; and a bent part (16) formed by bending a portion of the folded-back part (14), protruding from the overlapping part (12) toward the front of the vehicle toward an outer side in the vehicle width direction and covering at least part of the overlapping part (12). ## Claims ### Claim 1 An airbag in a side airbag device including the airbag which is adapted to expand beside an occupant sitting in a seat of a vehicle and to deploy toward the front of the vehicle, and for use with an inflator which supplies an expansion gas from a base part of the airbag toward an end part of the airbag, comprising; before expanding and deploying, the airbag is in a folded state where the airbag comprises: an overlapping part formed by overlapping a portion of the airbag near the end part by accordion-folding or rolling or by a combination of folding and rolling; a folded-back part which is a portion continuing from the overlapping part to the base part and near the base part and which is formed at a position on an inner side of the overlapping part in a vehicle width direction by being extended in a direction toward the front of the vehicle and subsequently folded back in a direction toward the rear of the vehicle; and a bent part which is formed by bending a portion of the folded-back part, protruding from the overlapping part in the direction toward the front of the vehicle toward an outer side in the vehicle width direction, and which covers at least a part of the overlapping part on a vehicle front side of the overlapping part. ### Claim 2 (depends on 1) The airbag according to claim 1, further comprising the overlapping part is formed by being folded or wound from obliquely above with respect to a longitudinal direction of the inflator having a prescribed length in a vertical direction. ### Claim 3 (depends on 2) The airbag according to claim 2, further comprising the airbag is in a state where the overlapping part, the folded-back part, and the bent part are formed after an upper portion and a lower portion of the airbag in the vertical direction are obliquely folded. ### Claim 4 (depends on 3) The airbag according to claim 3, further comprising, after the upper portion and the lower portion of the airbag are folded, the airbag assumes a shape having an upper edge and a lower edge which are parallel to each other. ### Claim 5 (depends on 4) The airbag according to claim 4, further comprising the lower portion is in a state of being folded back at the lower edge. ### Claim 6 (depends on 1) The airbag according to claim 1, further comprising the folded-back part is a first folded-back part, the overlapping part is configured by a roll part formed by winding the portion near the end part, and a second folded-back part is formed between the roll part and the folded-back part and is arranged on a vehicle rear side of the roll part. ### Claim 7 (depends on 6) The airbag according to claim 6, further comprising the second folded-back part is formed by being extended toward the outer side in the vehicle width direction and subsequently folded back toward the inner side in the vehicle width direction. ### Claim 8 (depends on 1) A side airbag device comprising the airbag according to claim 1. ### Claim 9 (depends on 1) The airbag according to claim 1, further comprising the airbag when in the folded state having the airbag end part at a position forward in the vehicle direction from the remainder of the overlapping part. ### Claim 10 A side airbag device comprising, an airbag which expands and deploys beside an occupant sitting in a seat of a vehicle toward the front of the vehicle, and an inflator which supplies an expansion gas from a base part of the airbag toward an end part of the airbag, wherein the airbag in a folded state before expanding and deploying includes: an overlapping part formed by accordion-folding a first portion of the airbag near the end part; a folded-back part which is a second portion of the airbag continuing from the overlapping part to the base part and which is formed on an inner side of the folded-back part in a vehicle width direction by being extended from the back part toward the front of the vehicle and subsequently folded back toward the rear of the vehicle; and a bent part which is formed by bending a portion of the folded-back part protruding beyond the overlapping part in a direction toward the front of the vehicle and toward a vehicle outer side, and which covers at least a portion of the overlapping part on a vehicle front side of the overlapping part. ### Claim 11 A side airbag device comprising, an airbag which expands and deploys beside an occupant sitting in a seat of a vehicle toward the front of the vehicle, and an inflator which supplies an expansion gas from a base part of the airbag toward an end part of the airbag, comprising the airbag in a folded state before expanding and deploying includes: a folded-back part which is a portion of the airbag continuing from the base part and which is formed on an inner side in a vehicle width direction by being extended toward the front of the vehicle and subsequently folded back toward the rear of the vehicle, a bent part within the folded back part, the bent part extending in a direction outboard in the vehicle width direction, and an overlapping part extending from the folded-back part formed by accordion-folding or rolling a portion of the airbag near the end part; the overlapping part positioned on the outboard side of the folded-back part with the end part of the airbag positioned in a forward direction from a remainder of the overlapping part.