Toyoda Gosei Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Toyo Tire Rubber Co., Ltd.

Toyota Gosei Co., Ltd.

Toyota Jidosha Kabuhsiki Kaisha

Kazuaki Bito

Akiyoshi Sanada

Yuichi Adachi

Osamu Fukawatase

Kenji Imamura

Toru Ozaki

Takeshi Yamaji

Tomoyuki Moro

Yoshinori Mihara

Yoshiaki Goto

Naohiko Ishiguro

Hidehito Sogi

Kazuhiko Yoshioka

Takashi Sasaki

Atsushi Nagata

Shigeru Hoshino

Toru Koyama

Hitoshi Iida

Koji Sugiura

Koji Shibayama

Michihisa Asaoka

Yoshio Yamada

Matsuo Nagata

Kazutoshi Hayashi

Koji Yamauchi

Akira Suzuki

Kenji Shibayama

Akihisa Tange

Kenji Kaneko

Motoaki Naruse

Tetsu Matsuo

Kazuhiro Nakayama

Takao Mizuno

Takeshi Oyama

An airbag apparatus includes a gas generator main body and an airbag. The gas generator main body includes a gas outlet portion, which includes gas discharging holes, and a non-outlet portion. The airbag includes an inflation portion, which is inflated by inflation gas, and a storage chamber, which is arranged outside the inflation portion and stores the gas generator main body. The storage chamber includes an insertion port for inserting the gas generator main body and a partition wall. The partition wall includes a pass-through portion through which the non-outlet portion is passed. The partition wall separates the storage chamber and the inflation portion from each other and restricts leakage of inflation gas in the inflation portion to the storage chamber through the gap between inner wall surface of the pass-through portion and the non-outlet portion.

Airbag apparatus

A knee airbag device includes a column cover that covers a rear end portion of a steering column from below; and an airbag module. The airbag module is disposed in a column lower cover and includes a gas generation portion that generates gas and a knee airbag that is housed in the airbag module in a folded state, and is inflated and deployed by the gas supplied by the gas generation portion. The airbag module is connected to the steering column by a snap-fit action.

Knee airbag device and connecting method thereof

An airbag of an airbag apparatus includes a bag body, a supplementary bag, a communication hole that communicates the bag body and the supplementary bag, an open/close element that opens and closes the communication hole and a connecting element extending from the open/close element. The connecting element is connected at the leading end to an anchor mechanism that regulates the operation of the open/close element under control of a control device. The open/close element keeps closing the communication hole while the anchor mechanism holds the connecting element whereas opens the communication hole when the anchor mechanism releases the connecting element such that inflation gas is fed into the supplementary bag.

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.

Knee airbag device

The knee-protecting airbag apparatus includes an airbag folded and housed in a lower area inside the column cover. The airbag pushes and opens a door section on the column cover upon deployment. When the door section is thus opened, a door of the door section blocks off an allowance gap formed between an outer circumference of the column cover subjected to position adjustment and a lower area of a peripheral region of an installation opening on a dashboard for installing the column cover by locating a rear edge region of the door to abut on a rear side of the dashboard or the lower area of the peripheral region of the installation opening on the rear side of the dashboard.

Knee-protecting airbag apparatus

A knee airbag device mounted on a steering column has an inner case in which a folded knee airbag is housed, and an outer case that is placed over the inner case. The outer case is fixed to a lower side of a vehicle-rear-side portion of a steering column that moves relative to a vehicle-front-side portion when a load equal to or greater than a threshold load is applied to the steering column in a direction of the axis of the steering column, and has a rigidity with which the shape of the folded knee airbag is maintained under normal conditions. The outer case has an opening formed in a region where the outer case would interfere with the vehicle-front-side portion when the vehicle-rear-side portion moves relative to the vehicle-front-side portion.

Steering column mounted knee airbag device

An airbag system includes an airbag, and the airbag includes an airbag body having a passenger-side wall portion that is arranged at a passenger side when having completed deploying and inflating, and a slip cloth that is disposed at an outer surface side of the passenger-side wall portion. The slip cloth formed in a loop shape an axial direction of which is in a left and right direction includes: a front panel portion arranged at a passenger side; an upper back panel portion extending downward from an upper end of the front panel portion; and a lower back panel portion extending upward from a lower end of the front panel portion, and a lower end of the upper back panel portion and an upper end of the lower back panel portion are mutually approximated, and joined to the passenger-side wall portion.

Airbag system

The airbag apparatus includes an airbag housed in a folded state and an inflator for supplying inflation gas to the airbag. The inflator includes a first gas supply region and a second gas supply region respectively supplying inflation gas into the airbag under control of a control device. The first gas supply region is operable independently and in advance of the second gas supply region. The substance quantity of inflation gas supplied to the airbag by the first gas supply region per unit time at the time the first gas supply region operates independently and in advance of the second gas supply region is less than the substance quantity of inflation gas supplied to the airbag by the second gas supply region per unit time.

A knee-protecting airbag apparatus is mountable on a door of a glove box that has a box body provided with an opening at the rear and the door. The airbag apparatus includes an airbag, a generally columnar inflator housed in the airbag, a case housing the airbag and inflator, and an airbag cover constituting a rear face of the glove box door and being openable at airbag deployment. The inflator includes a body that discharges inflation gas and a fixing section that secures the body and the airbag to the case. The fixing section includes a projecting portion and the projecting portion extends at an upward or downward angle to the thickness direction of the glove box door.

A steering column device with a knee airbag device includes a steering column provided with a telescopic mechanism; a column cover that covers the rear end portion of the steering column; an airbag module, provided inside the column cover, which includes a gas generation device that generates gas, and a knee airbag that is inflated and deployed by the gas; an airbag door that is provided in the column cover, and that is opened when the airbag door receives the inflation pressure of the knee airbag; a collision prediction device that predicts that a vehicle will have a collision with a collision object; and a control device that operates the telescopic mechanism so that each of the column cover and the airbag module is moved rearward to a predetermined position, when the collision prediction device predicts that the vehicle will have a collision with the collision object.

Steering column device with knee airbag device

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.

Knee protecting airbag device

A knee protecting air bag apparatus Mis mounted to a column coverfor covering a column coverfor covering a steering column. In operating the apparatus M, a contained air bagis supplied with an expanding gas G and is projected from the column coverto be able to protect the knee of a driver while being expanded to develop. The column coverincludes a door portionopened by being pressed by the air bag to be able to form a projecting openingof the air bagat two left ad right side facesfrom a side of a lower face. Inside of the air bagis arranged with a gas flow restricting membersuch that the expanding gas G is made to flow to a left door portionand a right door portionof the door portionby being directed in outer directions of both left and right sides.

Knee protecting air bag apparatus

The knee-protecting airbag apparatus is mounted on a lower region of a column cover covering a steering column of vehicle projecting rearward from an instrument panel. The airbag () folded and housed in a housing emerges and spreads in four directions from the housing for deployment in front of knees of a driver when fed with inflation gas from an inflator () that is stored inside the airbag () and disposed to the rear side of the housing. Folding of the airbag () before being stored in the housing is such that left and right areas of a region () attached to the housing is folded on the side of the column side wall () to reduce the lateral width Lof the airbag () without superimposing the left and right areas of the mounting region () on the inflator () in the vertical direction and a folded region () on the front side of the mounting region () is located in parallel with and in front of the inflator ().

A lower limb protecting airbag apparatus Mis provided in front of the lower limbs L of an occupant D seated in a seat. At the collision of vehicles, the lower limb protecting airbag apparatus is operated to be able to protect the lower limbs of the occupant so that an airbag having inflated in front of the lower limbs is disposed therein. An accommodating part configured to accommodate and hold the airbag is supported by a support arm. A servo motor is activated to cause the support arm to feed the accommodating part from a standby position to a working position at which the airbag is expanded and inflated. The accommodating part has a support portion which can support a front surface side when the airbag having completed inflation at the working position catches the lower limbs.

Growing community of inventors

Aichi-ken, Japan

Kazuaki Bito