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公开(公告)号：JP5060351B2
公开(公告)日：2012-10-31
申请号：JP2008062661
申请日：2008-03-12
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/20 , B60R21/203 , B60R21/206 , B60R21/2338 , B60R21/237
CPC classification number: B60R21/237 , B60R21/203 , B60R2021/23169
Abstract: A column-attached knee air bag apparatus is provided by being folded at inside of a column cover covering a steering column and is developed between an instrument panel and the knees of an occupant by being supplied with a gas. Upper and lower sides of the knee air bag are restricted such that a developing thickness in a front and rear direction is smaller at a lower portion than at an upper portion by an upper side strap and a lower side strap. An inflator and a diffuser are arranged such that an opening end of the diffuser of supplying a gas from the inflator to the knee air bag is disposed on a rear side of the instrument panel and at inside of a central expansion portion of the knee air bag.
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公开(公告)号：JP5016620B2
公开(公告)日：2012-09-05
申请号：JP2009006743
申请日：2009-01-15
Applicant: トヨタ自動車株式会社 , 株式会社ダイセル , 豊田合成株式会社
IPC: B60R21/264 , B60R21/26
CPC classification number: B60R21/2644 , B60R2021/26011
Abstract: A gas generator, includes: a housing having closure shell, a diffuser shell including a gas discharge ports, and a flange portion; an inner tube member defining a combustion chamber in an outside thereof for accommodating a gas generating agent, the igniter being attached to the closure shell such that the igniter projects inside from a hole formed in the bottom plate of the closure shell, the annular porous member having a plurality of holes which are smaller than the size of the gas generator, defining a space above the combustion chamber, a total opening area (A1) of the gas discharge ports being smaller than a total opening area (A2) of a gas pathway extending from the combustion chamber to the gas discharge ports (A1
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公开(公告)号：JP4545732B2
公开(公告)日：2010-09-15
申请号：JP2006295823
申请日：2006-10-31
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/205 , B60R21/05 , B60R21/20 , B60R21/203 , B60R21/206 , B60R21/217
CPC classification number: B60R21/203 , B60R21/2032 , B60R21/206 , B60R2021/0051 , B60R2021/2173 , B60R2021/23169 , B62D1/192
Abstract: In a knee protecting airbag device of the present invention, in the lower area inside a column cover, a case housing an airbag is attached to a steering column. The steering column includes a movable member for moving toward the front side of a vehicle along the axial direction of the column at the time when an impact on the front of the vehicle acts, and an unmoving stationary member, so that the column can absorb the impact when the movable member moves. The case is attached to such an area of the movable member that the case hits the stationary member when the moving member moves and absorbs impact, and the case can be deformed before or at the time of hitting the stationary member so that the moving stroke of the movable member is preserved when it moves.
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公开(公告)号：JP4386910B2
公开(公告)日：2009-12-16
申请号：JP2006268004
申请日：2006-09-29
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/20 , B60R21/206
Abstract: The invention discloses a knee-protecting airbag apparatus (M1) including an airbag (61) folded and housed in a lower area (16a) inside the column cover (16). The airbag (61) pushes and opens a door section (34) on the column cover upon deployment. When the door section (34) is thus opened, a door (35) of the door section (34) blocks off an allowance gap (H) formed between an outer circumference (18) of the column cover (16) subjected to position adjustment and a lower area (11a) of a peripheral region (11) of an installation opening (10) on a dashboard (7) for installing the column cover (16) by locating a rear edge region (36) of the door (35) to abut on a rear side (12) of the dashboard (7) or the lower area (11a) of the peripheral region (11) of the installation opening (10) on the rear side (12) of the dashboard (7).
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Patent Agency Ranking
公开(公告)号：JP4299172B2
公开(公告)日：2009-07-22
申请号：JP2004096360
申请日：2004-03-29
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/045 , B60K37/00
Abstract: PROBLEM TO BE SOLVED: To provide a knee restraint device capable of ensuring a cushioning action without utilizing an air bag, and restraining knees at the time of vehicle collision by a knee restraint body accurately arranged at a restraint position. SOLUTION: The knee restraint device S1 moves the knee restraint body 25 by operation of a driving mechanism 21 so as to suppress a forward movement of the knees K of an occupant M at the time of the vehicle collision, and the restraint body 25 is provided from a standby position P1 at the time of housing the restraint body 25 to the restraint position P2 in front of the knees K of the sitting occupant M. Shock absorbing material 36 supporting the knee restraint body 25 arranged at the restraint position P2 and plastically deformed so as to absorb shock energy at the time of interference between the knees K and the knee restraint body 25 is provided on the knee restraint device S1. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号：JP4235224B2
公开(公告)日：2009-03-11
申请号：JP2006303769
申请日：2006-11-09
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/20 , B60R21/203 , B60R21/206 , B62D1/16
CPC classification number: B60R21/2032 , B60R21/206 , B60R21/26 , B60R21/261 , B60R2021/23169 , B60R2021/2612
Abstract: A knee airbag device includes a knee airbag that is disposed in a folded state inside a steering column cover inside which a projection body that projects downward toward one side in a vehicle-width direction is disposed in a rear area, and a cylindrical inflator that supplies the gas to the knee airbag to deploy the knee airbag. The inflator is disposed inside the steering column cover such that at least a portion of the inflator is positioned in the rear area inside the steering column cover. The inflator is disposed in substantially parallel with an axis of a column tube such that the inflator is positioned below the column tube. The end portion of the inflator, in which a gas injection port is formed, faces toward a rear of the vehicle.
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公开(公告)号：JP4408884B2
公开(公告)日：2010-02-03
申请号：JP2006295810
申请日：2006-10-31
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/20 , B60R21/203 , B60R21/206 , B60R21/215 , B60R21/237 , B60R21/261
CPC classification number: B60R21/2032 , B60R21/206 , B60R21/2165 , B60R21/2171 , B60R21/237 , B60R21/26 , B60R2021/23169 , B60R2021/2612
Abstract: A knee protecting air bag apparatus M1 is mounted to a column cover 16 for covering a column cover 16 for covering a steering column. In operating the apparatus M1, a contained air bag 45 is supplied with an expanding gas G and is projected from the column cover 16 to be able to protect the knee of a driver while being expanded to develop. The column cover 16 includes a door portion 34 opened by being pressed by the air bag to be able to form a projecting opening 22 of the air bag 45 at two left ad right side faces 18b, 18c from a side of a lower face 18a. Inside of the air bag 45 is arranged with a gas flow restricting member 64 such that the expanding gas G is made to flow to a left door portion 36 and a right door portion 37 of the door portion 34 by being directed in outer directions of both left and right sides.
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公开(公告)号：JP4372593B2
公开(公告)日：2009-11-25
申请号：JP2004096382
申请日：2004-03-29
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B60R21/045 , B60K37/00
Abstract: PROBLEM TO BE SOLVED: To provide a knee protective device capable of suppressing increase of weight or volume, absorbing kinetic energy of knees at the time of vehicle collision, and protecting knees. SOLUTION: The knee protective device S1 has a knee protective panel 21 drawn out to a front side of the knees K of an occupant M by a driving mechanism 30 at the time of the vehicle collision. The panel 21 has a panel main body 22, and shock absorbing material 25 positioned at a front face side of the panel main body 22, capable of being plastically deformed so as to absorb the kinetic energy. The driving mechanism 30 has a support plate 33 for supporting the shock absorbing material 25, and a driving source 31 for drawing out the support plate 33 to the front side of the knees K along with the panel 21 at the time of the vehicle collision. The shock absorbing material 25 gradually reduces a cross section in a vertical direction from a panel main body side to a support plate side by making projection area of fore-and-aft direction smaller than the panel main body 22. The support plate 33 is set to be almost the same shape as that of the front face side of the shock absorbing material 25 to support the shock absorbing material 25. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号：JP4332189B2
公开(公告)日：2009-09-16
申请号：JP2007208560
申请日：2007-08-09
Applicant: ダイセル化学工業株式会社 , トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B01J7/00 , B60R21/26 , B60R21/264
CPC classification number: B60R21/26 , B60R21/2037
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