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Title:
AIRBAG DEVICE
Document Type and Number:
Japanese Patent JP2012046167
Kind Code:
A
Abstract:

To provide an airbag device capable of improving characteristics of a load received by an occupant through an airbag, with a simple and inexpensive configuration.

An inflation part 46 of an airbag 40 inflated with inflation gas is partitioned into an upstream inflation part 47 and a downstream inflation part 48 by a partition member 50. The partition member 50 is formed in long-sized shape with a length L1 in a longitudinal direction being longer than a length in a lateral direction perpendicular to the longitudinal direction when the partition member 50 is tensed in a planar manner with the inflation of the inflation part 46. A pressure control valve 70 closed at an early stage of a supply period of inflation gas to the inflation part 46 and opened from the middle of the supply period is provided at the partition member 50, and includes a slit-like inner opening 71 extending in the lateral direction, and a pair of valve element parts 73, 74 provided around the inner opening 71 and brought close to and separated from each other.


Inventors:
Hotta, Masashi
Sato, Yuji
Shibayama, Yukifumi
Application Number:
JP2011000038561
Publication Date:
March 08, 2012
Filing Date:
February 24, 2011
Export Citation:
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Assignee:
TOYODA GOSEI CO LTD
International Classes:
B60R21/233; B60R21/2338
Domestic Patent References:
JP2001213262A2001-08-07
JP2008201175A2008-09-04
JP2004256016A2004-09-16
JPH10217896A1998-08-18
JP2007308122A2007-11-29
JP2005029073A2005-02-03
JP2011031719A2011-02-17
JP2009023640A2009-02-05
JP2001213262A2001-08-07
JP2008201175A2008-09-04
JP2004256016A2004-09-16
JPH10217896A1998-08-18
JP2007308122A2007-11-29
JP2005029073A2005-02-03
JP2011031719A2011-02-17
Attorney, Agent or Firm:
恩田 博宣
恩田 誠