Airbag device

• US 9,718,430 B2
• Filed: 02/18/2016
• Issued: 08/01/2017
• Est. Priority Date: 03/06/2015
• Status: Active Grant

• Current Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Original Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Inventors: Masudome, Ryuji, Miura, Wataru
• Primary Examiner(s): GOODEN JR, BARRY J
• Application Number:
  US15/047,093
• Publication Number:
  US 20160257277A1
• Time in Patent Office: 530 Days
• CPC Class Codes: B60R 2021/2177 Reaction canisters characterised by material
• CPC Class Codes: B60R 21/215 characterised by the covers for the inflatable member B60R21/2176 takes precedence
• CPC Class Codes: B60R 21/217 Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together

Abstract

An airbag device includes: a case configured to receive an airbag that is folded, configured to enable the airbag under inflation to protrude from an upper opening, and including a bottom wall portion and a side wall portion that rises in a substantially tubular shape from a peripheral edge of the bottom wall portion; and a coupling member surrounding the case and coupled to the case by a fixing member, wherein: the case is formed to retain a rising shape of the side wall portion from the bottom wall portion by performing a bending process on a sheet metal material; and the joining piece portion and the joined portion include through-holes, and are coupled to each other and are coupled to the coupling member using the fixing member penetrating through-holes in a state in which the joining piece portion and the joined portion are superimposed on each other.

Claims

1. An airbag device comprising:

a case configured to receive an airbag that is folded, and configured to enable the airbag under inflation to protrude from an upper opening, the case having a substantially box shape, and including a bottom wall portion and a side wall portion that rises in a substantially tubular shape from a peripheral edge of the bottom wall portion;

a fixing member; and

a coupling member surrounding the case and coupled to the case by the fixing member, wherein;

the case is formed to retain a rising shape of the side wall portion from the bottom wall portion by

performing a bending process on a sheet metal material such that side wall components constituting the side wall portion rise from a peripheral edge of a bottom wall component constituting the bottom wall portion in the sheet metal material, and

superimposing and coupling a joining piece portion formed in a front or rear wall component on and to a corresponding joined portion formed in one of the side wall components; and

the joining piece portion in the case and the joined portion corresponding to the joining piece portion include through-holes which are penetrated by the fixing member, respectively, and are coupled to each other and are coupled to the coupling member using the fixing member penetrating the through-holes of the joining piece portion and the joined portion in a state in which the joining piece portion and the joined portion are superimposed on each other.

2. The airbag device according to claim 1, wherein

the coupling member is an airbag cover including a door portion that covers the opening and is pressed and unfolded by the airbag in unfolding the folded airbag.