Air bag device

Details Air bag device Air bag device

2005-06-24

2008-10-07

Hurley, Kevin (Department: 3616)

Land vehicles

Wheeled

Attachment

C280S740000

Reexamination Certificate

active

07431329

ABSTRACT:
Expansion of an air bag can be smoothly effected even in a small space by controlling the air bag in thickness and introduction of the gas for expansion, and the protection of an occupant can be rapidly implemented with a relatively small volume of the gas. An air bag device comprises a first air chamber12for protection of the chest or the waist of an occupant, a second air chamber14for protection of the head of the occupant, and a lower portion of the diffuser bag30interposed therebetween for portioning out gas from an inflator20, wherein the second air chamber14has a first tether50forming a gas passage14afor guiding gas jetted from gas outlets of the lower portion of the diffuser bag30into the second air chamber14so as to go around the tether of a head protection region of an air bag1, from the back side thereof toward the front side thereof, and has a second tether52for forming a gap provided at the lower end of the first tether50in the vicinity of the gas outlets, for letting a portion of the gas escape into a front part of the second air chamber14.

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patent: 10-067297 (1998-03-01), None
patent: 10-100827 (1998-04-01), None

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