[go: up one dir, main page]

US20180281731A1 - Steering wheel airbag - Google Patents

Steering wheel airbag Download PDF

Info

Publication number
US20180281731A1
US20180281731A1 US15/912,838 US201815912838A US2018281731A1 US 20180281731 A1 US20180281731 A1 US 20180281731A1 US 201815912838 A US201815912838 A US 201815912838A US 2018281731 A1 US2018281731 A1 US 2018281731A1
Authority
US
United States
Prior art keywords
driver
airbag
inflation
steering wheel
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/912,838
Other languages
English (en)
Inventor
Masashi Hotta
Koji Kawamura
Yuji Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Assigned to TOYODA GOSEI CO., LTD. reassignment TOYODA GOSEI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HOTTA, MASASHI, KAWAMURA, KOJI, SATO, YUJI
Publication of US20180281731A1 publication Critical patent/US20180281731A1/en
Priority to US17/183,918 priority Critical patent/US11370378B2/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
    • B60R21/2035—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0004—Frontal collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0009—Oblique collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0041—Arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
    • B60R2021/23324—Inner walls crating separate compartments, e.g. communicating with vents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B60R2021/23382—Internal tether means

Definitions

  • the invention relates to a steering wheel airbag which is inflated by allowing inflation gas therein and is arranged to cover a steering wheel when inflation is completed.
  • a steering wheel airbag is configured to be housed in an instrument panel on a front side of a steering wheel in a folded state and to cover the steering wheel when inflation is completed, and configured such that a driver-side wall part which is arranged on a driver side when inflation is completed is substantially along a vertical direction (for example, see JP-A-9-11837).
  • the driver-side wall part is arranged substantially along the vertical direction when inflation is completed.
  • the driver-side wall part is arranged to confront the upper body of the driver.
  • the invention was made to solve the above-described problems, and an object thereof is to provide a steering wheel airbag which can accurately protect a driver during a vehicle collision although a driver during the vehicle collision is moved in various directions.
  • a steering wheel airbag which is inflated by allowing inflation gas to flow therein, and is arranged to cover a steering wheel when inflation is completed
  • the steering wheel airbag including: a front-collision receiving surface which is arranged on a side of a driver when inflation is completed, so as to receive the driver moving forward during a head-on collision of a vehicle, the front-collision receiving surface being arranged substantially along a vertical direction to be tilted with respect to a ring surface of the steering wheel when inflation is completed; and arm restraining parts which are arranged near arms of the driver steering a ring part of the steering wheel on both right and left sides of the front-collision receiving surface when inflation is completed, the arm restraining parts coming into contact with the arms during an oblique collision or an offset collision of the vehicle, so as to prevent a movement of the driver to an obliquely front side.
  • the arm restraining parts are arranged near the arms of the driver steering the ring part.
  • the arm restraining parts come into contact with the arms during the oblique collision or the offset collision of the vehicle, so as to prevent the movement of the driver to the obliquely front side.
  • the inflating arm restraining parts come into contact with the arms of the driver during the oblique collision or the offset collision of the vehicle.
  • the front-collision receiving surface which can receive the driver moving forward during the head-on collision of the vehicle is arranged substantially along the vertical direction to be tilted with respect to the ring surface of the steering wheel when inflation is completed.
  • the front-collision receiving surface prevents that the upper body (including a head part) of the driver moving forward is excessively pressed locally, so as to accurately restrain the upper body.
  • the steering wheel airbag of the invention even in a case where the driver at the time of the vehicle collision is moved in various directions, the driver can be accurately protected during the vehicle collision.
  • the above-described steering wheel airbag may include: an airbag body having a bag shape; and a tether which is arranged in the airbag body to regulate an inflation completion shape of the airbag body, the airbag body may include a driver-side wall part forming a front-collision restraining surface and a vehicle-side wall part which is arranged on a side of the steering wheel to face the driver-side wall part when inflation is completed, and may be provided with an inflow opening for allowing the inflation gas to flow therein in the vehicle-side wall part, and the tether may connect the driver-side wall part and the vehicle-side wall part in an area which is on a rear side from the inflow opening in an axis-orthogonal direction of a steering shaft for assembling the steering wheel, so as to regulate a thickness of a rear area of the airbag body at the time of completion of inflation when the airbag body is inflated completely.
  • the airbag body may include a driver-side wall part forming a front-collision re
  • the thickness of the rear area of the airbag body at the time of completion of inflation is regulated by the tether.
  • the airbag when the airbag is deployed and inflated, even in a case where the gap between a portion of the ring part on the rear end side and the abdomen of the driver in the steering wheel is narrow, the rear area of the airbag body can enter smoothly the narrow gap, and the airbag body can be inflated rapidly.
  • the tethers may be arranged in two places substantially symmetrical in the right and left direction with the inflow opening as a center, and have a belt shape.
  • the tethers are arranged to be tilted with respect to the right and left direction such that the end edge parts positioned on the right and left outer sides are positioned on the front side from the central edge parts positioned on the right and left inner sides.
  • the vicinity of the arm restraining parts can be inflated in a wide range to have a predetermined thickness, and the arms of the driver can be accurately restrained by the arm restraining parts without hindrance to state where a front-collision restraining surface is arranged substantially along the vertical direction.
  • the tether in a case where the tether is provided in the airbag body, the tether may be arranged to connect the substantially center of the front-collision restraining surface in the driver-side wall part and the vicinity of the inflow opening in the vehicle-side wall part, so as to secure a flat state near the substantially center of the front-collision restraining surface when the airbag body is inflated completely.
  • the front-collision restraining surface when the airbag body is inflated completely, by preventing that an irregularity occurs partially, the front-collision restraining surface can be arranged in a wide flat area to be substantially along the vertical direction, and the driver moving forward can be received more stably by the confronting front-collision restraining surface having a wide flat shape.
  • FIG. 1 is a schematic plan view illustrating a steering wheel airbag device which uses a steering wheel airbag as one embodiment of the invention
  • FIG. 2 is a schematic longitudinal sectional view when the steering wheel airbag device of FIG. 1 is mounted in a vehicle;
  • FIG. 3 is a perspective view illustrating a state where the airbag used in the steering wheel airbag device of FIG. 1 is inflated as a single body when viewed from a front side;
  • FIG. 4 is a perspective view illustrating a state where the airbag of FIG. 3 is inflated as a single body when viewed from a rear side;
  • FIG. 5 is a plan view illustrating a state where the airbag of FIG. 3 is inflated as a single body
  • FIG. 6 is a sectional view of VI-VI portion of FIG. 5 ;
  • FIG. 7 is a plan view illustrating a basic fabric forming the airbag of the embodiment.
  • FIG. 8 is a schematic longitudinal sectional view illustrating a state where the airbag is completely inflated in the steering wheel airbag device of the embodiment
  • FIGS. 9A and 9B are schematic plan views illustrating two states where the airbag in the steering wheel airbag device of the embodiment is completely inflated and where the airbag receives the driver moving to an obliquely front side;
  • FIGS. 10A and 10B are schematic front views illustrating the two states where the airbag in the steering wheel airbag device of the embodiment is completely inflated and where the airbag receives the driver moving to the obliquely front side, when viewed from a vehicle front side;
  • FIG. 11 is a perspective view illustrating a state where an airbag as another embodiment of the invention is inflated as a single body when viewed from the rear side;
  • FIG. 12 is a plan view illustrating a state where the airbag of FIG. 11 is inflated as a single body
  • FIG. 13 is a sectional view of XIII-XIII portion of FIG. 12 ;
  • FIG. 14 is a plan view illustrating a basic fabric forming the airbag of FIG. 11 ;
  • FIG. 15 is a schematic longitudinal sectional view illustrating the steering wheel airbag device which uses the airbag of FIG. 11 in a state where the airbag is completely inflated.
  • a steering wheel airbag (hereinafter, referred to as “airbag”) 20 of the embodiment is used in a steering wheel airbag device (hereinafter, referred to as “airbag device”) M mounted in a steering wheel W illustrated in FIGS. 1 and 2 .
  • front and rear directions, upper and lower directions, right and left directions in the embodiment are based on a straight steering of the steering wheel W mounted in the vehicle V unless particularly is limited.
  • the front and rear sides, the upper and lower sides, and the right and left sides are indicated such that the upper and lower sides along an axial direction of a steering shaft SS (see FIG. 2 ) for assembling the steering wheel W are set as an upper and lower direction, the front and rear sides of the vehicle V as an axis-orthogonal direction of the steering shaft SS are set as a front and rear direction, and the right and left sides of the vehicle V as an axis-orthogonal direction of the steering shaft SS are set as a right and left direction.
  • the steering wheel W is arranged to protrude from an instrument panel (hereinafter, referred to as “instrument panel”) 1 .
  • instrument panel hereinafter, referred to as “instrument panel”
  • the steering wheel W includes a steering wheel body 3 and an airbag device M which is arranged in an upper portion of a boss part B in the center of the steering wheel body 3 .
  • the steering wheel body 3 includes an annular ring part R gripped during steering, the boss part B which is arranged in the substantially center of the ring part R to be connected in the steering shaft SS, and a plurality of (four in the case of the embodiment) spoke parts S which connect the boss part B and the ring part R.
  • the steering wheel body 3 includes a cored bar 4 which is arranged to connect the portions of the ring part R, the boss part B, and the spoke part S and is made of metal such as aluminum alloy.
  • a portion of the ring part R in the cored bar 4 and a portion on the ring part R side in the each of the spoke parts S are coated with a synthetic resin coating layer 7 .
  • a steel boss 5 for inserting the steering shaft SS to be fastened with nuts is provided in a portion of the boss part B in the cored bar 4 .
  • a synthetic resin lower cover 8 which covers the lower side of the boss part B is provided in the lower portion of the steering wheel body 3 .
  • the airbag device M is arranged in the boss part B in the substantially center of the steering wheel W.
  • the airbag device M includes an airbag 20 which is housed in a folded state, an inflator 11 which supplies inflation gas to the airbag 20 , a case 12 as a housing portion which houses and holds the airbag 20 and the inflator 11 , an airbag cover 14 which covers the folded airbag 20 , and a retainer 10 which attaches the airbag 20 and the inflator 11 in the case 12 .
  • the inflator 11 includes a substantially columnar main body part 11 a having a plurality of gas discharge outlets 11 b and a flange part 11 c which attaches the inflator 11 in the case 12 .
  • the inflator 11 is to be operated during the head-on collision, the oblique collision, and the offset collision of the vehicle V.
  • the case 12 as a housing portion is made of sheet metal.
  • the case 12 includes a bottom wall part 12 a which has a substantially rectangular plate shape and in which the inflator 11 is inserted from below to be attached, and a circumferential wall part 12 b which extends to the upper and lower sides from the outer circumferential edge of the bottom wall part 12 a .
  • An attaching piece 12 c which extends outward is formed in the upper end of the circumferential wall part 12 b (see FIG. 1 ).
  • An attaching substrate of a horn switch mechanism (not illustrated) is attached in the attaching piece 12 c . Further, by using the attaching substrate (not illustrated), the case 12 is attached and fixed in the cored bar 4 of the steering wheel W.
  • the airbag device M is mounted in the upper portion of the boss part B of the steering wheel body 3 having mounted in the steering shaft SS.
  • a side wall part 14 c of the airbag cover 14 is attached in the circumferential wall part 12 b of the case 12 by using a rivet or the like (see FIG. 2 ).
  • the airbag 20 and the inflator 11 are attached in the bottom wall part 12 a of the case 12 in such a manner that the bolt (not illustrated) is made pass through an attaching hole 28 of a circumferential edge of an inflow opening 27 in the airbag 20 , the bottom wall part 12 a of the case 12 , and the flange part 11 c of the inflator 11 , and is fastened with nuts (not illustrated).
  • the airbag cover 14 includes a ceiling wall part 14 a which is made of synthetic resin and covers the upper side of the airbag 20 housed in the case 12 , and a side wall part 14 c which extends downward from the vicinity of the outer circumferential edge of the ceiling wall part 14 a and has a substantially rectangular tubular shape. Two pieces of door parts 14 b and 14 b which are opened to the front and rear sides by being pressed by the inflating airbag 20 are formed in the ceiling wall part 14 a.
  • the airbag 20 includes a bag-shaped airbag body 21 having flexibility, a flow-straightening cloth 40 arranged in the airbag body 21 , and tethers 42 L and 42 R which are arranged in the airbag body 21 to regulate the inflation completion shape of the airbag body 21 .
  • the airbag body 21 is configured to cover the entire surface of the upper surface of the steering wheel W when inflation is completed.
  • the inflation completion shape is formed to have a substantially ellipse shape in which the front and rear sides are slightly wide when viewed from the upper and lower direction, and formed such that a front end 21 a is thick and becomes thinner toward a rear end 21 b when viewed from the right and left direction.
  • the airbag body 21 is set such that the width dimension in the right and left direction at the time of the completion of inflation is larger than a ring diameter D 1 (see FIG. 1 ) of the ring part R in the steering wheel W.
  • the airbag body 21 includes a driver-side wall part 31 which is arranged on the driver MD side when inflation is completed, a vehicle-side wall part 26 which is arranged on the steering wheel W side to face the driver-side wall part 31 , and the side wall part 35 which is arranged to connect the outer circumferential edges of the driver-side wall part 31 and the vehicle-side wall part 26 .
  • the inflow opening 27 in which the main body part 11 a of the inflator 11 is inserted from below to allow the inflation gas discharged from the gas discharge outlet 11 b of the inflator 11 to flow therein is formed in a substantially central position of the front and rear sides and the right and left sides, and is opened in a substantially circular shape.
  • attaching holes 28 for inserting a bolt (not illustrated) of the retainer 10 are formed in the circumferential edge of the inflow opening 27 in the vehicle-side wall part 26 .
  • a valve and a hole 29 for exhausting excessive inflation gas having flowed in the airbag body 21 are formed in two places symmetrical in the right and left direction in the area in the vicinity of the front end which is a front side of the inflow opening 27 .
  • the side wall part 35 is formed such that the front end 35 a is the widest and formed to be gradually reduced toward the rear end 35 b when inflation is completed, and the inflation completion shape is formed such that the front end 21 a is thick and becomes thinner toward the rear end 21 b .
  • the driver-side wall part 31 is tilted with respect to a ring surface RF of the steering wheel W and is arranged substantially along the vertical direction VD (see FIG. 8 ).
  • an external surface (rear surface 31 a ) in the driver-side wall part 31 is arranged on the driver MD side when inflation is completed, so as to configure a front-collision receiving surface 32 which can receive the driver MD moving forward during the head-on collision of the vehicle V.
  • the airbag body 21 is set such that the width dimension W 1 (see FIG. 5 ) in the right and left direction at the time of the completion of inflation is larger than the ring diameter D 1 (see FIG. 1 ) of the ring part R in the steering wheel W.
  • the airbag body is arranged to project on both right and left sides from the ring part R.
  • the width dimension W 1 of the airbag body 21 in the right and left direction at the time of completion of inflation is set to be about 370 to 500 mm.
  • the airbag body 21 is formed such that the width dimension in the front and rear direction is set to be slightly larger than the width dimension in the right and left direction, and is arranged to project to be larger than the ring part R to both front and rear sides when inflation is completed. Further, a ring body 21 is formed such that a portion on the rear end 21 b side protrudes to be larger than a portion on the front end 21 a side. Further, in the case of the embodiment, the airbag body 21 is formed such that the rear end 21 b at the time of completion of inflation is arranged in a position near an abdomen BA of the driver MD (see FIG. 2 ).
  • a front portion 23 which is on the front side from the center of the inflow opening 27 has a substantially semicircular shape when viewed from above
  • a rear portion 24 which is on a rear side from the center of the inflow opening 27 has a substantially rectangular shape in which the width dimension in the right and left direction is substantially constant such that a left edge 24 a and a right edge 24 b are substantially along the front and rear direction when viewed from above (see FIG. 5 ).
  • the front portion 23 has a thick semicircular shape
  • the rear portion 24 has a thin rectangular plate.
  • the areas of the left edge 24 a and the right edge 24 b in the rear portion 24 are arranged near the arms AL and AR of the driver MD which steers the ring part R of the steering wheel W when inflation is completed.
  • the areas configure arm restraining parts 37 L and 37 R which are arranged on both right and left sides of the front-collision receiving surface 32 when inflation is completed.
  • the arm restraining parts 37 L and 37 R come into contact with the arms AL and AR of the driver MD during the oblique collision or the offset collision of the vehicle V when inflation is completed, so as to prevent the movement of the driver MD to the obliquely front side.
  • the protruding amount (the width dimension of the rear portion 24 of the airbag body 21 in the right and left direction at the time of completion of inflation) from the ring part R of the arm restraining parts 37 L and 37 R, and a thickness dimension (the width dimension of the side wall part 35 in a portion of the rear portion 24 ) of the arm restraining parts 37 L and 37 R at the time of completion of inflation are set to be such a dimension that the arm restraining parts 37 L and 37 R have a moderate thickness and can be arranged to protrude to the right and left outer sides from the ring part R when the airbag 20 is inflated completely.
  • the arm restraining parts 37 L and 37 R restrain the arms AL and AR opposite to the moving direction of the driver MD during the obliquely front side collision or the offset collision of the vehicle V, so as to prevent the movement of the driver MD to the obliquely front side.
  • the arm restraining part 37 R arranged on the right side is interposed between the ring part R and a right arm AR, so as to restrain the right arm AR of the driver MD and to prevent the movement of the driver MD toward the obliquely front left side.
  • the arm restraining part 37 L arranged on the left side becomes interposed between the ring part R and a left arm AL, so as to restrain the left arm AL of the driver MD and to prevent the movement of the driver MD toward the obliquely front right side.
  • the flow-straightening cloth 40 arranged in the airbag body 21 is provided to cover the upper side of the inflow opening 27 when the airbag body 21 is inflated completely.
  • the flow-straightening cloth has a substantially cylindrical shape in which both ends in the front and rear direction are opened such that the flow of the inflation gas G having flowed from the inflow opening 27 can be straightened to the both front and rear sides.
  • the flow-straightening cloth 40 is formed of a flow-straightening material 50 illustrated in FIG. 7 .
  • a central portion 50 a is coupled (sewn) to the end edge of the inflow opening 27 , and substantially fan-shaped left portion 50 b and right portion 50 c which are formed to project from the central portion 50 a to the right and left sides are sewn (coupled) with each other in the outer circumferential edges, so as to configure the flow-straightening cloth 40 .
  • the tethers 42 L and 42 R arranged in the airbag body 21 connect the driver-side wall part 31 and the vehicle-side wall part 26 in the inner portion of the area of the rear portion 24 which is on the rear side from the inflow opening 27 , so as to regulate the thickness of the rear portion 24 (rear area) of the airbag body 21 at the time of completion of inflation.
  • the tethers 42 L and 42 R are arranged in two places substantially symmetrical in the right and left direction with the inflow opening 27 as a center, and each have a belt shape which is symmetrical in the right and left direction.
  • the tethers 42 L and 42 R are arranged to be tilted with respect to the right and left direction such that end edge parts 42 a positioned on the right and left outer sides are positioned on the front side from central edge parts 42 b positioned on the right and left inner sides when the airbag body 21 at the time of completion of inflation is viewed from above.
  • the tethers 42 L and 42 R (the coupled portions 60 L and 60 R in which the tethers 42 L and 42 R are coupled to the driver-side wall part 31 ) is set such that a tilt angle ⁇ (see FIG. 5 ) is about 40° with respect to the right and left direction.
  • the tethers 42 L and 42 R (the coupled portions 60 L and 60 R in which the tethers 42 L and 42 R are coupled to the driver-side wall part 31 ) are arranged substantially along the ring part R to approach to the inside of the ring part R of the steering wheel W in a state where the airbag body 21 (airbag 20 ) at the time of completion of inflation is viewed from above (see FIG. 5 ).
  • the tethers 42 L and 42 R are formed by coupling (sewing) tips 54 b and 56 b of two pieces of the tether basic fabrics 54 L, 54 R, 57 L, and 57 R, which are formed to extend from the driver-side wall part 31 and the vehicle-side wall part 26 respectively, with each other.
  • the tether basic fabrics 57 L and 57 R on the driver-side wall part 31 are formed in a substantially trapezoidal shape to be slightly narrow toward the tip 57 b .
  • FIG. 7 the tether basic fabrics 57 L and 57 R on the driver-side wall part 31 are formed in a substantially trapezoidal shape to be slightly narrow toward the tip 57 b .
  • the tether basic fabrics 54 L and 54 R which extend from the vehicle-side wall part 26 are formed integrally with a reinforcing fabric 53 to extend in a belt shape from the substantially circular reinforcing fabric 53 which reinforces the circumferential edge of the inflow opening 27 .
  • the tether basic fabrics 54 L and 54 R have a constant width dimension.
  • vehicle-side wall part 26 (a root part 54 a of the tether basic fabrics 54 L and 54 R) of the tethers 42 L and 42 R is sewn (coupled) with the vehicle-side wall part 26 when the outer circumferential edge of the reinforcing fabric 53 is sewn to the vehicle-side wall part 26 to form a substantially circular coupled portion (sewn portion) 59 (see FIGS. 3, 6, and 7 ).
  • the driver-side wall part 31 (the root part 57 a of the tether basic fabrics 57 L and 57 R) of the tethers 42 L and 42 R is sewn (coupled) to the driver-side wall part 31 by providing a linear coupled portion (sewn portion) 60 L and 60 R in a position which is on the rear side from the coupled portion 59 with the vehicle-side wall part 26 (see FIGS. 4 to 7 ).
  • the coupled portions 60 L and 60 R of the tethers 42 L and 42 R and the driver-side wall part 31 are arranged in a position which is slightly on the rear side from the center of the rear portion 24 of the airbag body 21 in the front and rear direction.
  • the tethers 42 L and 42 R are arranged in the vehicle mounted state to be tilted slightly to the rear and lower side with respect to the front and rear direction (see FIG. 8 ).
  • the tethers 42 L and 42 R are set to have such a length dimension that a separation distance between the vehicle-side wall part 26 and the driver-side wall part 31 is regulated when the airbag 20 is inflated completely, and the driver-side wall part 31 can be arranged substantially along the vertical direction.
  • the airbag body 21 of the embodiment is formed in a bag shape by coupling the circumferential edges of the basic fabric having a predetermined shape to each other. As illustrated in FIG. 7 , in the case of the embodiment, the airbag body 21 is formed of four pieces of the basic fabrics which are a vehicle-side panel 45 forming the vehicle-side wall part 26 , a driver-side panel 46 forming the driver-side wall part 31 , and two pieces of side wall-side panels 47 U and 47 D forming the side wall part 35 .
  • the vehicle-side panel 45 and the driver-side panel 46 are formed in a substantially elliptical shape to have the same outer shape.
  • Two pieces of the side wall-side panels 47 U and 47 D are formed in a curved belt shape such that the outer circumferential edge 47 a substantially matches with the area in the outer circumferential edges 45 a and 46 a of the vehicle-side panel 45 and the driver-side panel 46 except for the rear edges 45 b and 46 b , and have the same outer shape.
  • the inner circumferential edge 47 b is also formed to be curved substantially along an outer edge 47 a , and to have the widest central area and to be converged toward both ends.
  • the vehicle-side panel 45 forming the airbag body 21 , the driver-side panel 46 , the side wall-side panels 47 U and 47 D, the flow-straightening material 50 forming the flow-straightening cloth 40 , the reinforcing fabric 53 , and the tether basic fabrics 57 L and 57 R forming the tethers 42 L and 42 R are each formed of polyester-based or polyamide-based woven fabric having a flexibility.
  • the reinforcing fabric 53 and the flow-straightening material 50 are superposed and sewn in a portion of the circumferential edge of the inflow opening 27 with a suture thread, so as to form the coupled portion (sewn portion) 59 , and the inflow opening 27 and the attaching hole 28 are formed through a drilling process.
  • the tether basic fabrics 57 L and 57 R are sewn to the driver-side panel 46 to form the coupled portions (sewn portion) 60 L and 60 R.
  • the side wall-side panels 47 U and 47 D in a flatly-deployed state are superposed, and the inner circumferential edges 47 b are sewn to each other with a suture thread.
  • the outer circumferential edge 47 a of the side wall-side panel 47 U arranged on the upper side and the outer circumferential edges 46 a of the driver-side panel 46 are sewn with a suture thread.
  • the outer circumferential edge 47 a of the side wall-side panel 47 D arranged on the lower side, and the outer circumferential edge 45 a of the vehicle-side panel 45 are sewn with a suture thread.
  • the bag-shaped airbag body 21 can be formed by sewing the rear edges 45 b and 46 b of the vehicle-side panel 45 and the driver-side panel 46 with a suture thread.
  • the tips 54 b and 57 b of the tether basic fabrics 54 L, 54 R, 57 L, and 57 R are sewn with a suture thread, so as to form the tethers 42 L and 42 R, and the airbag 20 can be manufactured when the outer circumferences of the left portion 50 b and the right portion 50 c in the flow-straightening material 50 sewn to form the flow-straightening cloth 40 .
  • a bolt protrudes from the attaching hole 28 , and the airbag 20 is folded to be housed in the case 12 in a state where the retainer 10 is arranged therein. Thereafter, the folded airbag 20 is housed in the case 12 , the main body part 11 a of the inflator 11 is inserted from below, and the inflator 11 and the airbag 20 are attached in the case 12 by using a bolt (not illustrated) protruding from the bottom wall part 12 a and a nut. Further, the case 12 is covered with the airbag cover 14 , and the airbag cover 14 is attached in the case 12 by using the rivet 15 and the like.
  • the airbag device M can be assembled.
  • the airbag device M can be mounted in the vehicle V by being attached in the steering wheel body 3 which is fastened in advance by the steering shaft SS by using the attaching substrate (not illustrated) of the horn switch mechanism.
  • the airbag 20 (airbag body 21 ) is inflated by allowing the inflation gas to flow therein, so as to press and open the door parts 14 b and 14 b of the airbag cover 14 and to protrude from the case 12 .
  • the airbag 20 is completely inflated to cover the almost entire surface of the upper surface of the steering wheel W.
  • the arm restraining parts 37 L and 37 R are arranged near the arms AL and AR of the driver MD steering the ring part R.
  • the arm restraining parts 37 L and 37 R come into contact with the arms AL and AR during the oblique collision or the offset collision of the vehicle V, so as to prevent the movement of the driver MD to the obliquely front side.
  • the inflating arm restraining parts 37 L and 37 R come into contact with the arms AL and AR of the driver MD during the oblique collision or the offset collision of the vehicle V.
  • the arm restraining parts 37 L and 37 R and the arms AL and AR of the driver MD themselves regulate that the upper body UB of the driver MD moves forward toward the obliquely front side, and it can be accurately regulated that the driver MD moves to the obliquely front side.
  • the arm restraining parts 37 L and 37 R are arranged on the opposite side to the moving direction of the driver MD and restrain the arms AL and AR opposite to the moving direction, so as to prevent the movement of the driver MD to the obliquely front side. For example, as illustrated in FIGS.
  • the arm restraining part 37 R arranged on the right side becomes interposed between the right arm AR gripping the ring part R and the ring part R.
  • the right arm AR is restrained to prevent the movement of the driver MD toward the obliquely front left side. Further, in the driver MD of which the right arm AR is restrained by the arm restraining part 37 R, the upper body UB is received and restrained by the airbag body 21 .
  • the front-collision receiving surface 32 which can receive the driver MD moving forward during the head-on collision of the vehicle V is arranged substantially along the vertical direction to be tilted with respect to the ring surface RF of the steering wheel W when inflation is completed, in other words, the front-collision receiving surface 32 is arranged to be substantially along the upper body UB of the driver MD.
  • the front-collision receiving surface 32 prevents that the upper body UB (including a head part H) of the driver MD moving forward is excessively pressed locally, so as to accurately restrain the upper body.
  • the front-collision receiving surface 32 is arranged to be substantially along the vertical direction.
  • the front-collision receiving surface 32 can come into contact with a chin J and a forehead F in the head part H almost at the same time without a time difference.
  • the rotation to depress the chin J is prevented so that the head part H can be rapidly received by the front-collision receiving surface 32 .
  • the driver MD at the time of the vehicle collision is moved in various directions, the driver MD can be protected accurately during the vehicle collision.
  • the tethers 42 L and 42 R are provided in the airbag body 21 having a bag shape.
  • the tethers 42 L and 42 R connect the driver-side wall part and the vehicle-side wall part in the inner portion of the area (rear portion 24 ) on the rear side from the inflow opening 27 in the airbag body 21 , so as to regulate the thickness of the rear portion (rear area) 24 of the airbag body 21 at the time of completion of inflation.
  • the airbag 20 when the airbag 20 is deployed and inflated, even in a case where the gap between a portion of the ring part R on the rear end side and the abdomen BA of the driver MD in the steering wheel W is narrow, the rear portion (rear area) 24 of the airbag body 21 can enter smoothly the narrow gap, and the airbag body 21 can be inflated rapidly.
  • the tethers 42 L and 42 R are arranged in two places substantially symmetrical in the right and left direction with the inflow opening 27 as a center, and each have a belt shape.
  • the tethers 42 L and 42 R are arranged to be tilted with respect to the right and left direction such that the end edge parts 42 a positioned on the right and left outer sides are positioned on the front side from the central edge parts 42 b positioned on the right and left inner sides.
  • the vicinity of the arm restraining parts 37 L and 37 R can be inflated in a wide range to have a predetermined thickness, and the arms AL and AR of the driver MD can be accurately restrained by the arm restraining parts 37 L and 37 R without hindrance to state where a front-collision restraining surface 32 is arranged substantially along the vertical direction.
  • the area (the area which is tilted such that the center in the right and left direction is positioned on the rear side, and the outside in the right and left direction is positioned on the front side) of the tethers 42 L and 42 R which are arranged to be tilted with respect to the right and left direction can be inflated in a predetermined thickness.
  • the tether easily secures the thickness or the size of the arm restraining parts 37 L and 37 R formed from the right and left outer area of the tethers 42 L and 42 R compared to a case where the tether is arranged substantially along the right and left direction.
  • the tethers 42 L and 42 R are arranged in a position near the inside of the ring part R to be substantially along the ring part R when the airbag body 21 at the time of completion of inflation is viewed from above.
  • a portion (arm restraining parts 37 L and 37 R) which is arranged on the rear side including the right and left outer sides from the ring part R when inflation is completed can be inflated to have a moderate thickness.
  • the airbag 20 A includes an airbag body 21 A, a flow-straightening cloth 40 A arranged in the airbag body 21 A, and a tether 65 which is arranged in the airbag body 21 A to regulate the inflation completion shape of the airbag body 21 A.
  • the airbag body 21 A and the flow-straightening cloth 40 A which are members other than the tether 65 have the same configuration as the airbag body 21 and the flow-straightening cloth 40 in the above-described airbag 20 .
  • “A” is added to the end of the same reference numerals, and the detailed description is not given.
  • the tether 65 arranged in the airbag body 21 A is provided to connect the substantially center of the front-collision restraining surface 32 A in the driver-side wall part 31 A and the vicinity of the inflow opening 27 A in the vehicle-side wall part 26 A.
  • the tether 65 is formed to secure a flat state of the vicinity of substantially center of the front-collision restraining surface 32 A when the airbag body 21 A is inflated completely.
  • the tether 65 includes a substantially circular top plate part 66 which is arranged on the driver-side wall part 31 A side, and tether bodies 67 L and 67 R which extend from both right and left edges of the top plate part 66 to be connected to the both right and left edges of the inflow opening 27 A. As illustrated in FIG.
  • the top plate part 66 is arranged in the substantially central position of the driver-side wall part 31 A.
  • the top plate part 66 is positioned to substantially match with the inflow opening 27 A.
  • the entire outer circumferential edge 66 a is coupled (sewn) in the driver-side wall part 31 A by a substantially circular coupled portion 68 (sewn portion).
  • the tether bodies 67 L and 67 R are arranged to be substantially symmetrical in the right and left direction with the inflow opening 27 A as a center.
  • the tether bodies 67 L and 67 R are each configured in a belt shape such that the width direction is arranged substantially along the front and rear direction when the airbag body 21 A is inflated completely.
  • the tether 65 is formed of a tether basic fabric 70 arranged on the driver-side wall part 31 A side, and a tether basic fabric 73 arranged on the vehicle-side wall part 26 A side.
  • the tether basic fabric 70 arranged on the driver-side wall part 31 A side includes the circular top plate part 66 , and main body components 71 L and 71 R which extend in a belt shape from both right and left edges of the top plate part 66 .
  • the tether basic fabric 73 arranged on the vehicle-side wall part 26 A includes a substantially circular reinforcing fabric 74 which reinforces the circumferential edge of the inflow opening 27 A, and main body components 75 L and 75 R which extend in a belt shape from both right and left edges of the reinforcing fabric 74 .
  • the tether bodies 67 L and 67 R are each formed by coupling (sewing) the tips 71 a and 75 a of the main body components 71 L, 71 R, 75 L, and 75 R which extend from the top plate part 66 and the reinforcing fabric 74 in which the outer circumferential edge is coupled with the driver-side wall part 31 A or the vehicle-side wall part 26 A (the circumferential edge of the inflow opening 27 A) to each other.
  • the tether bodies 67 L and 67 R are set to have such a length dimension that the separation distance in the vicinity of the center of the vehicle-side wall part 26 A and the driver-side wall part 31 A can be regulated when the airbag body 20 A is inflated completely, and the driver-side wall part 31 A (front-collision restraining surface 32 A) can be arranged substantially along the vertical direction.
  • the separation distance in the vicinity of the center of the vehicle-side wall part 26 A and the driver-side wall part 31 A can be regulated by the tether bodies 67 L and 67 R when the airbag body 21 A is inflated completely.
  • the front-collision restraining surface 32 A can be arranged in a wide flat area to be substantially along the vertical direction.
  • the tether 65 includes a circular top plate part 66 in which the outer circumferential edge is coupled with the entire driver-side wall part 31 A.
  • the tether 67 is formed such that the tether bodies 67 L and 67 R extend from both right and left edges of the top plate part 66 , and the flow-straightening cloth 40 A is formed to straighten the flow of the inflation gas to the front and rear direction.
  • the directions of the tether and the flow-straightening cloth may each be inversed, and the tether which is formed such that the tether body extends from the both front and rear edges of the top plate part, and the flow-straightening cloth which straightens the flow of the inflation gas to the right and left direction may be used in the airbag.
  • tether 65 In a case where the tether 65 is used in the airbag, the tethers 42 L and 42 R used in the above-described airbag 20 may be used together.
  • a state (the state of being arranged substantially along the vertical direction) where the driver-side wall part 31 A is arranged when inflation is completed is set by gradually reducing the width dimension of the side wall part 35 A toward the rear end 35 b .
  • the airbag may have a substantially constant width dimension of the side wall part in the front and rear direction without difference, and may be formed such that a state (the inflation completion shape of the airbag body) where the driver-side wall part is arranged when inflation is completed is regulated by the tether arranged in the center of the driver-side wall part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
US15/912,838 2017-03-29 2018-03-06 Steering wheel airbag Abandoned US20180281731A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/183,918 US11370378B2 (en) 2017-03-29 2021-02-24 Steering wheel airbag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-066121 2017-03-29
JP2017066121A JP6914074B2 (ja) 2017-03-29 2017-03-29 ステアリングホイール用エアバッグ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/183,918 Continuation US11370378B2 (en) 2017-03-29 2021-02-24 Steering wheel airbag

Publications (1)

Publication Number Publication Date
US20180281731A1 true US20180281731A1 (en) 2018-10-04

Family

ID=63672889

Family Applications (2)

Application Number Title Priority Date Filing Date
US15/912,838 Abandoned US20180281731A1 (en) 2017-03-29 2018-03-06 Steering wheel airbag
US17/183,918 Active US11370378B2 (en) 2017-03-29 2021-02-24 Steering wheel airbag

Family Applications After (1)

Application Number Title Priority Date Filing Date
US17/183,918 Active US11370378B2 (en) 2017-03-29 2021-02-24 Steering wheel airbag

Country Status (2)

Country Link
US (2) US20180281731A1 (ja)
JP (1) JP6914074B2 (ja)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190193671A1 (en) * 2017-12-21 2019-06-27 Toyoda Gosei Co., Ltd. Airbag for steering wheel
US10363900B2 (en) * 2016-12-19 2019-07-30 Hyundai Motor Company Front airbag for vehicles
US10730472B2 (en) 2018-10-23 2020-08-04 Trw Vehicle Safety Systems Inc. Airbag and method for protecting an occupant of a vehicle
US10967829B1 (en) * 2019-09-17 2021-04-06 Joyson Safety Systems Acquisition Llc Driver side airbag module
US11066031B2 (en) * 2018-04-04 2021-07-20 Hyundai Mobis Co., Ltd. Airbag device for driver's seat
US11254275B2 (en) 2019-03-27 2022-02-22 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US20220089114A1 (en) * 2019-02-07 2022-03-24 Autoliv Development Ab Driver seat airbag
US11358561B2 (en) * 2020-03-31 2022-06-14 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
CN114728624A (zh) * 2019-12-05 2022-07-08 奥托立夫开发公司 安全气囊装置
US11407373B2 (en) * 2019-07-22 2022-08-09 Subaru Corporation Occupant protection device
US11453357B2 (en) * 2018-06-04 2022-09-27 Autoliv Development Ab Driver's seat airbag apparatus for vehicles
US20220306034A1 (en) * 2021-03-29 2022-09-29 Toyoda Gosei Co., Ltd. Airbag device
CN115843284A (zh) * 2020-06-08 2023-03-24 奥托立夫开发公司 驾驶座用安全气囊装置
JP2023148365A (ja) * 2022-03-30 2023-10-13 日本プラスト株式会社 エアバッグ
US20240025368A1 (en) * 2020-12-23 2024-01-25 Autoliv Development Ab Airbag device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7115392B2 (ja) * 2019-03-29 2022-08-09 豊田合成株式会社 ハンドル装置
JP7192734B2 (ja) * 2019-09-30 2022-12-20 豊田合成株式会社 運転席用エアバッグ装置

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630405B2 (ja) * 1976-12-20 1981-07-15
US6254130B1 (en) * 1998-04-13 2001-07-03 Georgia Tech Research Corporation Method and apparatus for controlling air bag deployment
US6536799B2 (en) * 1999-02-05 2003-03-25 Volkswagen Ag Safety device with an airbag configuration including multiple airbags for a motor vehicle
US6626459B2 (en) * 2000-03-31 2003-09-30 Toyoda Gosei Co., Ltd. Air bag for steering wheel
US7195281B2 (en) * 2003-12-11 2007-03-27 Autoliv Asp, Inc. Expansion-controlled joints in airbags for out-of-position occupants and cushion positioning
US7198290B2 (en) * 2003-09-30 2007-04-03 Toyoda Gosei Co., Ltd. Air bag for steering wheel
JP2007261410A (ja) * 2006-03-28 2007-10-11 Toyoda Gosei Co Ltd エアバッグ装置
JP2007302192A (ja) * 2006-05-15 2007-11-22 Toyoda Gosei Co Ltd ステアリングホイール用エアバッグ装置
US7360791B2 (en) * 2004-03-24 2008-04-22 Toyoda Gosei Co., Ltd. Airbag apparatus
US7922191B2 (en) * 2007-12-13 2011-04-12 Kia Motors Corporation Airbag cushion with multiple chambers
US20130181429A1 (en) * 2012-01-12 2013-07-18 Ford Global Technologies, Llc Driver Airbag with Improved Head and Neck Injury Prevention
US8899618B2 (en) * 2010-06-30 2014-12-02 Takata-Petri Ag Gas bag arrangements for a steering wheel of a motor vehicle
US20150239422A1 (en) * 2014-02-27 2015-08-27 Toyoda Gosei Co., Ltd. Airbag apparatus for a driver's seat
US20160288755A1 (en) * 2015-03-31 2016-10-06 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US9738242B2 (en) * 2015-03-31 2017-08-22 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US9771047B2 (en) * 2015-10-01 2017-09-26 Autoliv Asp, Inc. Frontal airbag systems for oblique crash protection
WO2018004153A1 (ko) * 2016-06-29 2018-01-04 아우토리브 디벨롭먼트 아베 자동차의 운전석 에어백 장치
JP6383303B2 (ja) * 2015-02-24 2018-08-29 マツダ株式会社 エアバッグ装置
US20190077358A1 (en) * 2017-09-14 2019-03-14 Honda Motor Co., Ltd. Airbag apparatus
US10414370B2 (en) * 2017-06-15 2019-09-17 Autoliv Asp, Inc. Driver airbag for oblique and frontal impacts
US10421427B2 (en) * 2017-02-03 2019-09-24 Toyoda Gosei Co., Ltd. Occupant protection device
US20190308580A1 (en) * 2018-04-04 2019-10-10 Hyundai Mobis Co., Ltd. Airbag device for driver's seat

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0181349U (ja) * 1987-11-20 1989-05-31
JPH0343057U (ja) * 1989-09-06 1991-04-23
JPH0769151A (ja) 1993-09-06 1995-03-14 Tokai Rika Co Ltd エアバッグ装置の袋体
JPH0911837A (ja) 1995-06-29 1997-01-14 Sensor Technol Kk エアバッグ装置
JP2003182500A (ja) * 2001-12-25 2003-07-03 Takata Corp 乗員保護装置
GB2387148B (en) 2002-04-03 2005-09-28 Autoliv Dev Improvements in or relating to an air-bag arrangement
US7344152B2 (en) 2003-11-07 2008-03-18 Takata Corporation Airbag device
EP1577172B1 (en) 2004-03-17 2012-11-14 Takata AG Airbag device
DE102005002085B4 (de) 2004-03-17 2013-09-05 TAKATA Aktiengesellschaft Seitenairbageinrichtung
EP1577171B1 (en) 2004-03-17 2012-11-14 Takata AG Airbag device
JP4419657B2 (ja) 2004-04-15 2010-02-24 日産自動車株式会社 車両用乗員拘束装置
JP2006069384A (ja) 2004-09-02 2006-03-16 Nippon Plast Co Ltd 自動車用エアバッグ装置
JP4539404B2 (ja) 2005-03-30 2010-09-08 豊田合成株式会社 ステアリングホイール用エアバッグ装置
JP2007050851A (ja) 2005-08-19 2007-03-01 Nippon Plast Co Ltd エアバッグの袋体
JP4661693B2 (ja) * 2006-06-02 2011-03-30 豊田合成株式会社 助手席用エアバッグ
ITBO20070595A1 (it) 2007-08-29 2009-02-28 Ferrari Spa Airbag frontale per un veicolo stradale
JP5206722B2 (ja) 2009-07-30 2013-06-12 豊田合成株式会社 エアバッグ装置
JP5572597B2 (ja) 2011-06-30 2014-08-13 富士重工業株式会社 乗員保護装置
JP5630405B2 (ja) 2011-08-30 2014-11-26 豊田合成株式会社 ステアリングホイール用エアバッグ
US9758121B2 (en) * 2015-09-15 2017-09-12 Autoliv Asp, Inc. Supplemental airbags and related airbag support systems
KR102635925B1 (ko) * 2016-12-19 2024-02-13 현대자동차주식회사 차량용 전방 에어백
US20180361980A1 (en) 2017-06-15 2018-12-20 Autoliv Asp, Inc. Wedge shaped driver airbag with split
US10919483B2 (en) * 2017-12-21 2021-02-16 Toyoda Gosei Co., Ltd. Airbag for steering wheel
JP7043000B2 (ja) * 2017-12-21 2022-03-29 豊田合成株式会社 ステアリングホイール用エアバッグ
JP7192734B2 (ja) * 2019-09-30 2022-12-20 豊田合成株式会社 運転席用エアバッグ装置
JP7215453B2 (ja) * 2020-03-31 2023-01-31 豊田合成株式会社 運転席用エアバッグ装置

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630405B2 (ja) * 1976-12-20 1981-07-15
US6254130B1 (en) * 1998-04-13 2001-07-03 Georgia Tech Research Corporation Method and apparatus for controlling air bag deployment
US6536799B2 (en) * 1999-02-05 2003-03-25 Volkswagen Ag Safety device with an airbag configuration including multiple airbags for a motor vehicle
US6626459B2 (en) * 2000-03-31 2003-09-30 Toyoda Gosei Co., Ltd. Air bag for steering wheel
US7198290B2 (en) * 2003-09-30 2007-04-03 Toyoda Gosei Co., Ltd. Air bag for steering wheel
US7195281B2 (en) * 2003-12-11 2007-03-27 Autoliv Asp, Inc. Expansion-controlled joints in airbags for out-of-position occupants and cushion positioning
US7360791B2 (en) * 2004-03-24 2008-04-22 Toyoda Gosei Co., Ltd. Airbag apparatus
JP2007261410A (ja) * 2006-03-28 2007-10-11 Toyoda Gosei Co Ltd エアバッグ装置
JP2007302192A (ja) * 2006-05-15 2007-11-22 Toyoda Gosei Co Ltd ステアリングホイール用エアバッグ装置
US7922191B2 (en) * 2007-12-13 2011-04-12 Kia Motors Corporation Airbag cushion with multiple chambers
US8899618B2 (en) * 2010-06-30 2014-12-02 Takata-Petri Ag Gas bag arrangements for a steering wheel of a motor vehicle
US20130181429A1 (en) * 2012-01-12 2013-07-18 Ford Global Technologies, Llc Driver Airbag with Improved Head and Neck Injury Prevention
US20150239422A1 (en) * 2014-02-27 2015-08-27 Toyoda Gosei Co., Ltd. Airbag apparatus for a driver's seat
US9499119B2 (en) * 2014-02-27 2016-11-22 Toyoda Gosei Co., Ltd. Airbag apparatus for a driver's seat
JP6383303B2 (ja) * 2015-02-24 2018-08-29 マツダ株式会社 エアバッグ装置
US20160288755A1 (en) * 2015-03-31 2016-10-06 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US9738242B2 (en) * 2015-03-31 2017-08-22 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US9771047B2 (en) * 2015-10-01 2017-09-26 Autoliv Asp, Inc. Frontal airbag systems for oblique crash protection
WO2018004153A1 (ko) * 2016-06-29 2018-01-04 아우토리브 디벨롭먼트 아베 자동차의 운전석 에어백 장치
US10421427B2 (en) * 2017-02-03 2019-09-24 Toyoda Gosei Co., Ltd. Occupant protection device
US10414370B2 (en) * 2017-06-15 2019-09-17 Autoliv Asp, Inc. Driver airbag for oblique and frontal impacts
US20190077358A1 (en) * 2017-09-14 2019-03-14 Honda Motor Co., Ltd. Airbag apparatus
US20190308580A1 (en) * 2018-04-04 2019-10-10 Hyundai Mobis Co., Ltd. Airbag device for driver's seat

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10363900B2 (en) * 2016-12-19 2019-07-30 Hyundai Motor Company Front airbag for vehicles
US20190193671A1 (en) * 2017-12-21 2019-06-27 Toyoda Gosei Co., Ltd. Airbag for steering wheel
US10919483B2 (en) * 2017-12-21 2021-02-16 Toyoda Gosei Co., Ltd. Airbag for steering wheel
US11066031B2 (en) * 2018-04-04 2021-07-20 Hyundai Mobis Co., Ltd. Airbag device for driver's seat
US11453357B2 (en) * 2018-06-04 2022-09-27 Autoliv Development Ab Driver's seat airbag apparatus for vehicles
US10730472B2 (en) 2018-10-23 2020-08-04 Trw Vehicle Safety Systems Inc. Airbag and method for protecting an occupant of a vehicle
US11932189B2 (en) * 2019-02-07 2024-03-19 Autoliv Development Ab Driver seat airbag
US20220089114A1 (en) * 2019-02-07 2022-03-24 Autoliv Development Ab Driver seat airbag
US11254275B2 (en) 2019-03-27 2022-02-22 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
US11407373B2 (en) * 2019-07-22 2022-08-09 Subaru Corporation Occupant protection device
US10967829B1 (en) * 2019-09-17 2021-04-06 Joyson Safety Systems Acquisition Llc Driver side airbag module
US12060023B2 (en) * 2019-12-05 2024-08-13 Autoliv Development Ab Driver airbag device
US20230001876A1 (en) * 2019-12-05 2023-01-05 Autoliv Development Ab Airbag device
CN114728624A (zh) * 2019-12-05 2022-07-08 奥托立夫开发公司 安全气囊装置
US11358561B2 (en) * 2020-03-31 2022-06-14 Toyoda Gosei Co., Ltd. Airbag device for a driver's seat
CN115843284A (zh) * 2020-06-08 2023-03-24 奥托立夫开发公司 驾驶座用安全气囊装置
US20240025368A1 (en) * 2020-12-23 2024-01-25 Autoliv Development Ab Airbag device
EP4269183A4 (en) * 2020-12-23 2024-11-27 Autoliv Development AB AIRBAG DEVICE
US12337782B2 (en) * 2020-12-23 2025-06-24 Autoliv Development Ab Airbag device
US20220306034A1 (en) * 2021-03-29 2022-09-29 Toyoda Gosei Co., Ltd. Airbag device
US11718256B2 (en) * 2021-03-29 2023-08-08 Toyoda Gosei Co., Ltd. Airbag device
JP2023148365A (ja) * 2022-03-30 2023-10-13 日本プラスト株式会社 エアバッグ
JP7791759B2 (ja) 2022-03-30 2025-12-24 日本プラスト株式会社 エアバッグ

Also Published As

Publication number Publication date
US20210179002A1 (en) 2021-06-17
JP2018167681A (ja) 2018-11-01
JP6914074B2 (ja) 2021-08-04
US11370378B2 (en) 2022-06-28

Similar Documents

Publication Publication Date Title
US11370378B2 (en) Steering wheel airbag
US9925948B2 (en) Airbag
US7360791B2 (en) Airbag apparatus
EP2058182B1 (en) Airbag and airbag apparatus
US9738242B2 (en) Airbag device for a driver's seat
US7806431B2 (en) Airbag for a front passenger's seat
US9321421B2 (en) Driver seat airbag system
US20190193671A1 (en) Airbag for steering wheel
US20190217806A1 (en) Airbag
US9650012B2 (en) Airbag device for a driver's seat
JP5817684B2 (ja) エアバッグ装置
US20080007036A1 (en) Airbag for a front passenger's seat
US10507785B2 (en) Airbag
US7198290B2 (en) Air bag for steering wheel
US20220306034A1 (en) Airbag device
US10752200B2 (en) Airbag apparatus
US20090146404A1 (en) Airbag for a front passenger's seat
JP7115392B2 (ja) ハンドル装置
JP7043000B2 (ja) ステアリングホイール用エアバッグ
JP7207093B2 (ja) エアバッグ
US11760301B2 (en) Steering wheel airbag device
US10589707B2 (en) Airbag apparatus
JP4626300B2 (ja) 運転席用エアバッグ装置
JP7043005B2 (ja) エアバッグ
JP5630405B2 (ja) ステアリングホイール用エアバッグ

Legal Events

Date Code Title Description
AS Assignment

Owner name: TOYODA GOSEI CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOTTA, MASASHI;KAWAMURA, KOJI;SATO, YUJI;REEL/FRAME:045117/0243

Effective date: 20180301

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION