Knee-protecting airbag device
An airbag device and airbag technology, applied in pedestrian/occupant safety arrangement, vehicle safety arrangement, transportation and packaging, etc., can solve the problems of not simple structure, restricting the shape of the expansion part on the installation side, etc., and achieve the effect of simple structure
Active Publication Date: 2016-10-12
TOYODA GOSEI CO LTD
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Problems solved by technology
Therefore, in the conventional airbag device for knee protection, the outer tether is arranged on the outside of the inflatable portion on the installation side of the airbag, and the outer tether is arranged on the side of the case by attaching both ends of the outer tether to the case side using another attachment unit. In the housing, cover the lower surface side of the installation side expansion part, and restrict the outer shape of the installation side expansion part during expansion
[0005] However, in the existing airbag device for knee protection, the tether which restricts the outer shape of the inflatable part of the airbag on the installation side is arranged outside the airbag as an independent component, and since it must be installed on the housing separately, So the structure is not simple
Method used
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[0041] Hereinafter, one embodiment of the present invention will be described based on the drawings. like figure 1 As shown, in the embodiment, the knee protection airbag device S disposed in front of the passenger seat is taken as an example for description.
[0042] The knee protection airbag device S according to the embodiment is arranged below the glove box 1 arranged in front of the passenger seat. In addition, the up-down, left-right, and front-rear directions in this specification correspond to the up-down, front-back, and left-right directions of a vehicle equipped with the knee protection airbag device S unless otherwise specified.
[0043] likefigure 1 , figure 2 As shown, the knee protection airbag device S has the following components, namely: a folded airbag 28; an inflator 19 that supplies inflation gas to the airbag 28; a housing 7 that accommodates the folded airbag. The airbag 28 and the inflator 19 ; and the airbag cover 15 covering the opening 7 a for p...
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The case for receiving an airbag and an inflator is provided with the airbag emergence opening at the lower end region such that the airbag protrudes downward out of the opening. The airbag is mounted on the case together with the inflator with the aid of a mounting means of the inflator. The airbag includes a mounting inflatable region which is located in a lower end region of the airbag as deployed and is secured to the case, and a knee-protecting region deployable in such a manner as to extend rearward and upwardly from the mounting inflatable region. The airbag further includes inside the mounting inflatable region a tether which joins the vehicle body side wall part and occupant side wall part for regulating a clearance between the vehicle body side wall part and occupant side wall part during expansion of the airbag.
Description
[0001] technology area [0002] The present invention relates to a knee-protecting airbag device configured by accommodating a folded airbag and an inflator for supplying inflation gas to the airbag in a substantially box-shaped casing. A protrusion opening for allowing the airbag to protrude is arranged on the lower end side of the housing. Background technique [0003] At present, as an airbag device for knee protection, as shown in Japanese Patent Application Laid-Open No. 2013-119327, there is a structure in which an airbag accommodated in a housing having an opening for protruding is disposed on the lower end side and is inflated by The machine is installed on the mounting screws of the casing, and the cylindrical inflator is installed on the casing together. [0004] This conventional airbag device for knee protection has a structure in which the airbag is housed in a casing with an open lower end side, and the portion where the side inflation portion is mounted is supp...
Claims
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IPC IPC(8): B60R21/206
CPCB60R21/206B60R21/231B60R2021/23169B60R2021/23382
Inventor 安藤毅
Owner TOYODA GOSEI CO LTD