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公开(公告)号：JP4760682B2
公开(公告)日：2011-08-31
申请号：JP2006311410
申请日：2006-11-17
Applicant: トヨタ自動車株式会社
IPC: B60R21/206 , B60R21/20 , B60R21/203
Abstract: PROBLEM TO BE SOLVED: To suppress and prevent the obstruction of contraction action of a column tube at a collision as much as possible. SOLUTION: A module case 48 of an airbag module 54 is supported on a rear end side of an inner tube 26 by a mounting bracket 70. The mounting bracket 70 is slidably formed of a first bracket 78 and second bracket 80. An opening 72 is formed in a bottom wall part 48C of the module case 48. When an airbag 52 is inflated, a part 52C thereof is extruded out of the opening 72 to press the inner tube 26. The airbag module 54 is slid downward by the reaction R. The column lower cover 22 is also separated. In this way, the interference between the airbag module 54 and the bottom 40A in the housing 40 can be avoided at the contraction of the column. COPYRIGHT: (C)2008,JPO&INPIT
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公开(公告)号：JP4444263B2
公开(公告)日：2010-03-31
申请号：JP2006304213
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 , B60R21/205
Abstract: PROBLEM TO BE SOLVED: To provide a knee-protecting airbag apparatus capable of suppressing the opening resistance of an airbag cover covering a stored airbag, and securing the prompt deploying/expanding of the airbag from a storage part without unnecessarily improving the inner pressure of the airbag in an expansion early stage. SOLUTION: The knee-protecting airbag apparatus M1 is mounted to a column cover 16 covering a steering column 3. The airbag apparatus M1 comprises the airbag folded and stored, and arranged on the front side of knees of a driver while being deployed and expanded by making an expansion gas flow therein upon actuation; and the airbag cover 33 pushed by the expanding airbag to open doors 34, 38, and forming a projecting opening 22 of the airbag 45 at the column cover 16. The airbag cover 33 is arranged at the column cover 16 while having a separating surface SP previously separated to the peripheral edge of the projecting opening 22 from a state before opening at a part of the outer peripheral edge of the doors so as to suppress resistance when the doors portions are opened. COPYRIGHT: (C)2008,JPO&INPIT
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公开(公告)号：JP4858134B2
公开(公告)日：2012-01-18
申请号：JP2006327995
申请日：2006-12-05
Applicant: トヨタ自動車株式会社
IPC: B60R21/20 , B60R21/206 , B60R21/203 , B60R21/26 , B62D1/16
Abstract: PROBLEM TO BE SOLVED: To provide a column-mounted knee airbag device installed on a vehicle of which the gap between a lap part of a passenger and a rear surface of an instrument panel differs between right and left of the steering column, capable of deploying the knee airbag upright against the lap part of the passenger. SOLUTION: A center line Lb' in a vehicle width direction of the knee airbag 24 in an deployment completion state is offset to the side of which the gap between the lap part (right lap part 14R, left lap part 14L) and the rear surface 16R of the instrument panel 16 is larger, which is either of the right or left of the steering column 18, regarding an axial line Lc of the steering column 18. Even when the gap between the lap part of the passenger 14 and the rear surface 16R of the instrument panel 16 differs between right and left of the steering column 18, it is possible to reduce influence on the side of which the gap is smaller by deploying the knee airbag 24 with offset to the larger gap side. COPYRIGHT: (C)2008,JPO&INPIT
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公开(公告)号：JP4235221B2
公开(公告)日：2009-03-11
申请号：JP2006299248
申请日：2006-11-02
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 , B62D1/16
CPC classification number: B60R21/203 , B60R21/206 , B60R21/233 , B60R21/2338 , B60R21/2346 , B60R2021/0051 , B60R2021/23169 , B60R2021/23382
Abstract: A knee airbag device includes a knee airbag that is disposed in a folded state inside a steering column cover. When the knee airbag receives gas, the knee airbag is inflated and deployed from the inside of the steering column cover toward the knee portion of an occupant. The knee airbag includes an instrument panel-side foundation cloth positioned close to an instrument panel when the knee airbag is deployed, an occupant-side foundation cloth positioned close to the occupant when the knee airbag is deployed, and a first strap and a second strap that connect the instrument panel-side foundation cloth and the occupant-side foundation cloth. When the knee airbag is deployed, the first strap is positioned above the second strap and the length of the first strap in a vehicle-longitudinal direction is set to be larger than the length of the second strap in the vehicle-longitudinal direction.
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公开(公告)号：JP4231519B2
公开(公告)日：2009-03-04
申请号：JP2006317353
申请日：2006-11-24
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
CPC classification number: B60R21/2032 , B60R21/206 , B60R21/2165 , B60R2021/23169
Abstract: A knee airbag device includes an airbag module and an airbag door. The airbag module includes a gas generation device that is operated when the knee airbag device is operated, and a knee airbag that is stored in a folded state inside a column cover that covers the rear end portion of a steering column. When the knee airbag receives gas from the gas generation device, the knee airbag is inflated and deployed toward the knee of an occupant. The airbag door, provided in the lower portion of the column cover, is made of a flexible material. When the knee airbag is inflated and deployed, the airbag door is opened toward the knee of the occupant due to an airbag inflation pressure.
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Patent Agency Ranking
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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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：JP4235223B2
公开(公告)日：2009-03-11
申请号：JP2006301672
申请日：2006-11-07
Applicant: トヨタ自動車株式会社 , 豊田合成株式会社
IPC: B62D1/16 , B60R21/20 , B60R21/203 , B60R21/2334 , B60R21/2338
CPC classification number: B60R21/231 , B60R21/2338 , B60R2021/23169 , B60R2021/23316 , B60R2021/23382
Abstract: A knee airbag device for a vehicle includes a gas generation portion that is operated to generate gas; a knee airbag that is disposed in a folded state at a predetermined position in a vehicle, wherein when the knee airbag receives the gas, the knee airbag is inflated and deployed toward an area below a steering column so that the knee airbag is disposed between knees of an occupant and a lower portion of an instrument panel; and a thickness regulation member that is provided in the knee airbag at a position in a contact portion that contacts each of the knees of the occupant, and that regulates the thickness of the knee airbag such that the thickness of the knee airbag at the position in the contact portion is smaller than the thickness of the knee airbag in a portion other than the contact portion.
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公开(公告)号：JP4235222B2
公开(公告)日：2009-03-11
申请号：JP2006299249
申请日：2006-11-02
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 , B62D1/16
CPC classification number: B60R21/203 , B60R21/206 , B60R21/233 , B60R21/2338 , B60R2021/0051 , B60R2021/23382
Abstract: A knee airbag device includes a knee airbag that is disposed in a folded state inside a steering column cover. When the knee airbag receives gas, the knee airbag is inflated and deployed from an inside of the steering column cover toward a knee portion of an occupant. The knee airbag includes an interference suppression member that suppresses interference between the knee airbag and a projection body inside the steering column cover, which projects downward toward at least one side in a vehicle-width direction, when the knee airbag is inflated and deployed.
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