Airbag restraint unit and method of producing same

• US 5,775,724 A
• Filed: 04/24/1996
• Issued: 07/07/1998
• Est. Priority Date: 02/14/1996
• Status: Expired due to Fees

• Current Assignee: Nihon Plast Company Limited
• Original Assignee: Nihon Plast Company Limited
• Inventors: Horiike, Yoshio, Watanabe, Mitutaka, Tonooka, Masami
• Primary Examiner(s): English, Peter C.
• Application Number:
  US08/636,982
• Time in Patent Office: 804 Days
• Field of Search: 280/728.2, 280/740, 280/732, 280/728.1, 280/736
• US Class Current: 280/728.2
• CPC Class Codes: B60R 2021/2172 the cover being connected to the surrounding part and to the module, e.g. floating mounts
• CPC Class Codes: B60R 21/2165 characterised by a tear line for defining a deployment opening
• CPC Class Codes: B60R 21/2171 specially adapted for elongated cylindrical or bottle-like inflators with a symmetry axis perpendicular to the main direction of bag deployment, e.g. extruded reaction canisters B60R21/2176 takes precedence

Abstract

An airbag restraint unit for a front seat passenger aside a driver in an automotive vehicle comprises a casing having upper and lower chambers. An inflator for ejecting gas is disposed in the lower chamber of the casing. An airbag is disposed in the upper chamber of the casing to inflate and deploy upon being supplied with gas from the inflator. A mid-retainer is disposed in the casing and located between the inflator and the airbag. The casing includes a first engagement section having opposite first and second engagement surfaces inclined to gradually approach in a direction toward the airbag. First and second installation holes are formed respectively at the first and second engagement surfaces of the casing. The mid-retainer includes a second engagement section having opposite first and second engagement surfaces engaged respectively with the first and second engagement surfaces of the first engagement section of the casing. First and second fastening members are formed projecting respectively from the first and second engagement surfaces of the second engagement section of the mid-retainer. The first and second fastening members of the mid-retainer are inserted respectively into the first and second installation holes of the casing.

Claims