Side impact airbag system attached to seat belt

• US 5,161,821 A
• Filed: 09/13/1991
• Issued: 11/10/1992
• Est. Priority Date: 09/13/1991
• Status: Expired due to Fees

• Current Assignee: Davidson Textron Inc. (Textron Inc)
• Original Assignee: Davidson Textron Inc. (Textron Inc)
• Inventors: Curtis, Cass V.
• Primary Examiner(s): Focarino, Margaret A.
• Assistant Examiner(s): Graysay, Tamara L.
• Application Number:
  US07/759,519
• Time in Patent Office: 424 Days
• Field of Search: 280/733, 280/730, 280/743, 280/751, 280/728
• US Class Current: 280/730.2
• CPC Class Codes: B60R 21/18 the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
• CPC Class Codes: B60R 21/23138 specially adapted for side protection B60R21/23184, B60R21/232 take precedence

Abstract

An airbag canister and sensor and gas deployment unit attached to the lap belt portion of an automotive three-point seat belt system, wherein the lap belt portion is attached at one end thereof to the sill at the base of the center pillar. The airbag components are positioned adjacent the outside edge of the front seat, and intermediate the hip portion of the occupant and the vehicle door. When the seat belt is not in use, the airbag components assume a stowed position along side the center pillar intermediate the base and the usual upper shoulder belt dispenser, providing for easy entry and egress by the operator or passenger.

Claims

1. A side impact protection apparatus for use with a lap belt portion of a seat belt secured to a door sill at the base of a center pillar adjacent an automotive front door by a vehicle occupant seated on a vehicle front seat and having the lap belt portion secured across his or her lap, said apparatus comprising an airbag system fixedly mounted around the lap belt portion in the space intermediate said front door and the hip of said occupant, wherein said airbag is a bifurcated type wherein a rearward portion thereof extends upwardly behind the occupant'"'"'s outermost arm upon a side impact, and a forward portion thereof extends upwardly in front of the occupant'"'"'s arm upon the side impact.

2. The apparatus described in claim 1, wherein said forward portion of said bifurcated airbag includes a rearwardly extending segment at the upper end thereof adapted to extending intermediate the occupant'"'"'s head and the adjacent automotive door.

3. A side impact protection apparatus for use with a lap belt portion of a seat belt secured to a door sill at the base of a center pillar adjacent an automotive front door by a vehicle occupant seated on a vehicle front seat and having the lap belt portion secured across his or her lap, said apparatus comprising an airbag system fixedly mounted around the lap belt portion in the space intermediate said front door and the hip of said occupant, wherein said airbag is a bifurcated type wherein a rearward portion thereof extends upwardly behind the occupant'"'"'s outermost arm upon a side impact, and a forward portion thereof extends upwardly in front of the occupant'"'"'s arm upon the side impact, wherein said airbag system includes a canister containing an airbag, and a sensor and gas deployment unit, each fixedly secured to said lap belt portion, the canister being uppermost and positioned just above the side edge of the vehicle front seat, intermediate the hip of the occupant and said front door.