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公开(公告)号：JP4853417B2
公开(公告)日：2012-01-11
申请号：JP2007191376
申请日：2007-07-23
Applicant: トヨタ自動車株式会社
IPC: B60R21/206 , B60R21/20 , B60R21/203 , B60R21/215
Abstract: PROBLEM TO BE SOLVED: To develop an airbag door properly even when a column cover of a steering column enters an instrument panel comparatively deep. SOLUTION: When a column cover 18 is arranged in the state where a part of the cover enters the inside of an opening 16 of the instrument panel 14 for column insertion, an opening 66 for expanding an airbag is formed in the bottom wall part 22B of a column lower cover 22, and it is closed by an airbag door 68, which is formed separately from the column lower cover 22. The airbag door 68 is configured to be developed to the vehicle rear side using the lower end part 68B' of a bent part 68B as the center of development. COPYRIGHT: (C)2009,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：JP4395172B2
公开(公告)日：2010-01-06
申请号：JP2007060201
申请日：2007-03-09
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
CPC classification number: B60R21/215 , B60R21/203 , B60R21/206 , B60R2021/161
Abstract: A knee airbag device includes an airbag module and an airbag door. The airbag module, which is provided inside a column cover that covers the rear end portion of a steering column, includes a gas generation device that generates gas when a collision occurs, and a knee airbag that is inflated and deployed from a folded state when the knee airbag receives the gas from the gas generation device. The airbag door, which is provided in the lower portion of the column cover, is opened when the inflation pressure of the knee airbag is equal to or higher than a predetermined value. When the knee airbag is deployed, at least a portion of the airbag door is positioned between an interfering object that is positioned in an area on the side of the column cover, and at least a portion of the knee airbag.
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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：JP4260190B2
公开(公告)日：2009-04-30
申请号：JP2007051707
申请日：2007-03-01
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 , B60Q1/1461 , B60R21/206 , B60R21/2165 , B60R2021/23169
Abstract: The steering column includes a column body, a column cover formed into a generally tubular contour and mounted around the column body and an airbag apparatus. The column cover includes an upper cover and a lower cover. The lower cover is separable from the upper cover and is split into a front section disposed proximate the airbag apparatus and a rear section disposed proximate a combination switch unit disposed at the rear of the airbag apparatus inside the column cover. The rear section is configured separable from the front section as is secured to the column body.
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Patent Agency Ranking
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：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：JP5056442B2
公开(公告)日：2012-10-24
申请号：JP2008019224
申请日：2008-01-30
Applicant: トヨタ自動車株式会社
IPC: B60R21/20 , B60R21/203 , B60R21/206 , B60R21/215 , B62D1/16
Abstract: PROBLEM TO BE SOLVED: To smoothly and quickly develop a knee airbag on both vehicle width direction sides of a steering column by securing further larger openings for the inflation of the knee airbag in sidewalls of a column cover as airbag doors are opened. SOLUTION: In the column cover 32, both vehicle width direction ends 16E in a partition wall 16 parting combination switches 28 from a housing space for a knee airbag module 14 terminate on the vehicle rear side of a general part 16A of the partition wall 16. In addition, the airbag door 18 is provided to include side ranges of the ends 16E on the partition wall 16. An area of the airbag door 18 on the sidewalls 40S of the column cover 32 is enlarged toward the vehicle rear side. COPYRIGHT: (C)2009,JPO&INPIT
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