WO2017199850A1 - サイドエアバッグ装置 - Google Patents
サイドエアバッグ装置 Download PDFInfo
- Publication number
- WO2017199850A1 WO2017199850A1 PCT/JP2017/017882 JP2017017882W WO2017199850A1 WO 2017199850 A1 WO2017199850 A1 WO 2017199850A1 JP 2017017882 W JP2017017882 W JP 2017017882W WO 2017199850 A1 WO2017199850 A1 WO 2017199850A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cushion
- airbag device
- tether
- side airbag
- vehicle
- Prior art date
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- 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
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- 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
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
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- 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
- B60R21/235—Inflatable members characterised by their material
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- 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
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
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- 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
- B60R2021/0006—Lateral collision
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- 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
- B60R2021/161—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by additional means for controlling deployment trajectory
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- 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
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
- B60R2021/23146—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection seat mounted
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- 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
- B60R2021/23384—Internal tether means having ends which are movable or detachable during deployment
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- 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
- B60R2021/23386—External tether means
- B60R2021/23388—External tether means having ends which are movable or detachable during deployment
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- 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
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23504—Inflatable members characterised by their material characterised by material
- B60R2021/23509—Fabric
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- 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
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23504—Inflatable members characterised by their material characterised by material
- B60R2021/23519—Resin
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- 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
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23571—Inflatable members characterised by their material characterised by connections between panels
- B60R2021/23576—Sewing
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- 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
- B60R21/237—Inflatable members characterised by the way they are folded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
Definitions
- the present invention relates to a side airbag device that is installed on a side portion of a vehicle seat and includes a cushion main body portion that can be inflated by gas from the side portion to the vehicle front side.
- the airbag device is a safety device that operates in an emergency such as a vehicle collision, and inflates and deploys an airbag cushion with gas pressure to receive and protect an occupant.
- airbag devices There are various types of airbag devices depending on the installation location and application.
- a front airbag device is provided at the center of the steering wheel in order to protect the driver from collisions in the front-rear direction.
- a curtain airbag device is provided near the ceiling above the side window, and a side airbag device is provided on the side of the seat to protect passengers from impacts from the vehicle width direction due to side collisions, etc. It has been.
- the shape of the airbag cushion is set in consideration of the positional relationship with the occupant and surrounding structures.
- the vehicle airbag described in Patent Literature 1 includes a relatively large airbag body for a passenger seat.
- an inflation restriction tether is provided inside the airbag body in consideration of the positional relationship with the head of the occupant.
- the inflation regulation tether suppresses the inflation and the load on the occupant by pulling the base fabric of the airbag body from the inside.
- Measures to reduce the load that can be applied to the occupant during restraint are also required for the airbag cushion of the side airbag device.
- the load that the airbag cushion can give to the occupant increases in proportion to the collision speed at the time of the vehicle collision.
- the internal pressure of the airbag cushion depends on the output of the inflator, which is a gas supply source, but changing the output of the inflator itself according to the collision speed is not realistic from the viewpoint of the complexity of the structure and the cost.
- the present invention provides a side airbag device capable of adjusting the internal pressure of an airbag cushion according to various conditions such as a collision speed, a collision angle, an occupant's physique, and collision energy at the time of a vehicle collision. It is intended to provide.
- a typical configuration of a side airbag device includes an inflator for supplying a gas and a side portion of a vehicle seat that can be inflated by gas from the side portion to the front of the vehicle.
- a cushion main body a cushion protrusion provided on the vehicle front side of the cushion main body, receiving gas from the cushion main body and protruding further toward the front of the vehicle, and a string-shaped cushion protrusion from the cushion protrusion to the side of the seat
- a tether that is stretched over to a predetermined position and keeps the cushion protrusion folded back to the vehicle, a sensor that acquires predetermined information from the vehicle, and a tether cutter that cuts the tether according to the information acquired by the sensor; It is characterized by providing.
- the rigidity of the cushion main body according to information such as the vehicle state and the occupant's physique acquired by the sensor. For example, when a side collision sensor and an occupant weight detection sensor built in the seat are used as the sensor, information on the collision speed in the lateral direction and the physique of the occupant is acquired, and a predetermined condition is met.
- the tether can be cut. For example, when the lateral collision speed is equal to or greater than a predetermined value, the movement speed of the occupant in the lateral direction also increases, so that the injury value for the occupant of the cushion main body tends to increase.
- the tether cutter is moved to disconnect the tether, and the cushion protrusion is inflated and deployed.
- the overall capacity of the airbag cushion increases, so that the internal pressure of the cushion main body can be suppressed as compared with the case where the cushion protrusion does not inflate and deploy. Accordingly, it is possible to suppress the injury value of the occupant when restraining an occupant having a high moving speed or a small occupant.
- the collision speed in the lateral direction is low, the movement speed in the lateral direction of the occupant is also slowed down, so that the injury value for the occupant is not so high even with the cushion main body inflated with a high internal pressure.
- a predetermined value for example, greater than or equal to a value corresponding to an adult male
- resistance to collision energy is expected to be high. Therefore, when the collision speed is lower than a predetermined value or the occupant's physique is higher than a predetermined value, the tether cutter is not moved, and the cushion protruding portion is prevented from being inflated and expanded by pulling the cushion protruding portion by the tether.
- the cushion collision part does not inflate and deploy, the capacity of the entire airbag cushion is suppressed, and the cushion main body part is inflated thicker in the vehicle width direction with a high internal pressure. Therefore, an occupant with a slow movement speed or a large occupant can be sufficiently restrained.
- a protruding vent that opens toward the front of the vehicle when the cushion is inflated and deployed may be provided at the front end of the cushion protruding portion on the vehicle front side.
- an open side vent may be provided in a range where the cushion protrudes and overlaps the cushion body. Even when the side vent is provided, gas is discharged from the airbag cushion when the collision speed is equal to or higher than a predetermined value, so that the internal pressure of the entire airbag cushion can be further suppressed. Therefore, it is possible to further suppress the load that can be given to an occupant having a high moving speed.
- An opened vent hole may be provided in a range of the cushion main body portion that overlaps with the folded cushion protruding portion.
- the cushion protrusion may have a tapered shape in which the width in the vertical direction of the vehicle gradually decreases toward the front of the vehicle when it expands upon receiving gas. If it is a cushion protrusion part of this shape, gas can be smoothly flowed in to the front-end
- the above tether may be stretched over the tip of the cushion protrusion. With this configuration of the tether, the cushion protrusion can be efficiently pulled back.
- the side airbag device may further include one or more reinforcements attached to the cushion protrusion and increasing the rigidity of the cushion protrusion.
- the durability against the gas of the cushion protrusion can be enhanced by the reinforcing material.
- the above-described reinforcing material may be provided as a ductile cloth material including a plurality of different polymer fibers, and at least a part of the polymer fibers may be fused to each other to maintain a shape. Moreover, at least a part of the reinforcing material may be compressed. For example, by applying a heat and pressure treatment to the reinforcing material in a state in which the cushion protruding portion is folded, the shape of the reinforcing material is maintained, and the folding of the cushion protruding portion can be maintained.
- the above reinforcing material may be in the form of a nonwoven fabric in which polymer fibers are entangled without being woven. With this configuration, the above-described reinforcing material can be suitably realized.
- the plurality of different polymer fibers include a two-component composite fiber having a core-sheath structure, and the sheath portion of the two-component composite fiber has a second high melting point lower than that of the first polymer material constituting the core portion.
- You may be comprised with the molecular material.
- the first polymer material may be a polyethylene terephthalate homopolymer
- the second polymer material may be a polyethylene terephthalate copolymer.
- the plurality of different polymer fibers may include single component fibers composed of a single component.
- the single component fiber may have a higher melting point than the surface of other polymer fibers included in the reinforcing material.
- the single component fiber may be made of polyethylene terephthalate.
- the reinforcing material may be thicker than the base fabric of the cushion protrusion. With this reinforcing material, the rigidity of the cushion protrusion can be suitably improved.
- the above reinforcing material may be divided into a plurality from the cushion main body portion toward the tip of the cushion protrusion. If it is this structure, even after attaching a reinforcing material, a cushion protrusion part can be turned up suitably.
- the above-mentioned cushion protrusion is in a state of being folded back on either the vehicle outer side or the vehicle inner side of the cushion main body in the vehicle width direction, and the reinforcing material is provided on the outer side of the folded cushion protrusion. May be.
- the cushion protrusion can be suitably reinforced by the reinforcing member having this configuration.
- the above-mentioned cushion protrusion is in a state of being folded back on either the vehicle outer side or the vehicle inner side in the vehicle width direction of the cushion main body, and the reinforcing material is provided inside the folded cushion protrusion. May be.
- the cushion protrusion can be suitably reinforced by the reinforcing member having this configuration.
- the above reinforcing material may be in a state in which a part of the cushion protrusion and the cushion main body are sandwiched from both sides in the vehicle width direction. With this configuration, the cushion protrusion can be more suitably reinforced.
- the side airbag device further includes an outer peripheral sewing portion that stitches the base fabric of the cushion protruding portion along the outer periphery of the cushion protruding portion viewed from the vehicle width direction, and the reinforcing material is sewn together with the outer peripheral sewing portion. May be. With this configuration, the reinforcing material can be simply attached to the cushion protrusion.
- the above-described tether may be passed over a predetermined portion of the side portion of the seat through the inside of the cushion main body while keeping the cushion protruding portion folded so as to be immersed in the cushion main body. Also with this configuration, it is possible to realize a cushion protrusion that inflates and deploys only when the collision speed, the occupant's physique, and the like are equal to or greater than a predetermined value.
- the folded tip of the cushion protrusion may be folded back toward the front of the vehicle. With this configuration, the cushion protrusion can be suitably folded.
- the above-mentioned tether may keep the cushion protruding portion folded back on either the vehicle outer side or the vehicle inner side of the cushion main body in the vehicle width direction. Also by this, a cushion protrusion part can be folded appropriately.
- a predetermined side surface hole is provided on the side surface of the cushion main body portion where the cushion protrusion is folded back, and the tether passes from the side surface hole portion to the inside of the cushion main body portion at a predetermined position on the side portion of the seat. You may be handed over. With this configuration, the tether can be transferred without sagging.
- the side airbag device may further include an interference portion that is provided in the tether inside the cushion main body portion and prevents the tether from being pulled out from the side hole.
- an interference portion that is provided in the tether inside the cushion main body portion and prevents the tether from being pulled out from the side hole.
- the side airbag device further includes an internal bag provided so as to surround the inflator with a base cloth inside the cushion main body, the tether passes through the inside of the internal bag, and the interference portion is inside the internal bag. It may be provided and interfere with the inner bag. This configuration can also prevent the tether from jumping out of the cushion body after cutting.
- the interference part may be a knot provided on the tether.
- the interference portion may be a part of the tether that is folded and sewn.
- the interference part may be a patch that is attached to the tether and protrudes in a direction intersecting the tether. With these configurations, the interference unit can be suitably realized.
- the side airbag device may further include a branching tether that is spanned between the cushion body and the tether inside the cushion body so that the tether cannot be pulled out from the side hole.
- the branch tether can also prevent the tether from protruding from the cushion body after cutting.
- the side hole portion may be provided on a path connecting the tether connection point on the cushion protrusion and a predetermined portion on the side portion of the seat with a straight line.
- the tip of the cushion protrusion may be folded back toward the front of the vehicle. With this configuration, the cushion protrusion can be suitably folded.
- a first holding part through which a tether is passed may be provided on a side surface of the cushion main body part in which the cushion protruding part is folded back. With this configuration, the tether can be transferred without sagging.
- a second holding portion through which the tip of the cushion protrusion is passed may be provided on the side surface where the cushion protrusion is folded back.
- the side airbag device further includes an outer peripheral sewing portion that stitches the base fabric of the cushion protruding portion along the outer periphery of the cushion protruding portion viewed from the vehicle width direction, and the tether is co-sewn to the outer peripheral sewing portion. Also good. With this configuration, tethers can be simply connected.
- the cushion protrusion side of the tether is divided into two parts, and each may be co-sewn to the outer periphery sewing part. Also, the two ends of the tether should not overlap. With these configurations, tethers can be simply connected.
- the side airbag device further includes an outer peripheral sewing portion that stitches the base fabric of the cushion protruding portion along the outer periphery of the cushion protruding portion viewed from the vehicle width direction, and the tether is other than the outer peripheral sewing portion of the cushion protruding portion. It may be connected to the area. Further, the cushion projecting portion side of the tether is divided into two portions, one end is connected to the left side in the vehicle width direction of the cushion protruding portion, and the other end portion is connected to the right side in the vehicle width direction of the cushion protruding portion. It may be. With these configurations, tethers can be simply connected.
- the side airbag apparatus which can adjust the internal pressure of an airbag cushion according to various conditions, such as the collision speed at the time of a vehicle collision, a collision angle, a passenger
- FIG. 23 is a cross-sectional view of the reinforcing member of FIG. 22 (b) taken along the line KK. It is the figure which illustrated the modification of the reinforcing material of FIG.24 (b).
- Airbag device of the fourth embodiment 222 ... cushion, 224 ... Vent cover, 240 ... airbag device of fifth embodiment, 242 ... cushion, 244 ... vent hole, 246 ... tether connection point, 260 ... airbag device of sixth embodiment, 262 ... cushion, 264 ... side vent 280 ... Airbag device of the seventh embodiment, 282 ... Cushion, 284 ... Vent hole, 3 DESCRIPTION OF SYMBOLS 0 ... Side airbag apparatus of 8th Embodiment, 302 ... Cushion, 304 ... Inner bag, 306a ... Inner vent of upper part, 306b ... Inner vent of lower part, 308 ... Tether, 310 ... Branch tether, 320 ...
- Airbag device 322, turn-up portion, 324, slit, 326, cushion, 340, side airbag device of the tenth embodiment, 342, patch, 342a, first part of patch, 342b, second part of patch, 344 DESCRIPTION OF REFERENCE SYMBOLS: Cushion, 346 ... Edge of first part, 348 ... Projection piece, 360 ... Knot portion, 370 ... Patch of modified example, 372 ... Hole, 374 ... Projection piece, 400 ... Side airbag device of the eleventh embodiment, 402 ... Reinforcing material, 404 ... Cushion, 420 ... Side airbag device of the twelfth embodiment, 422 ...
- Reinforcing material 422a ... first part of reinforcing material, 422b ... second part of reinforcing material, 424 ... cushion, 426 ... other reinforcing material, 426a ... first part of reinforcing material, 426b ... second part of reinforcing material, 440 ... first Side airbag device of twelfth embodiment, 442 ... reinforcing material, 444 ... bicomponent composite fiber, 446 ... single component fiber, 448 ... cushion, 460 ... reinforcing material of modified example
- FIG. 1 is a diagram illustrating a side airbag device 100 according to the first embodiment of the present invention.
- the side airbag device 100 and the seat 102 on the left side of the vehicle to which the side airbag device 100 is applied are illustrated from the left side in the vehicle width direction.
- arrows F (Forward) and B (Back) are the vehicle front-rear directions, and the left and right directions are the left and right directions, respectively.
- R (Right), and vertical direction of the vehicle are illustrated by arrows U (up) and D (down), respectively.
- the side airbag device 100 is configured such that an airbag cushion (cushion 104) is inflated and deployed from the inside of the seat back 108 of the seat 102.
- the cushion 104 is a part that restrains an occupant in an emergency.
- the cushion 104 is wound or folded around a side portion of the seat back 108 in the vehicle width direction before operation. And if the impact of a vehicle is detected, it will expand and expand using gas from the side part ahead of a vehicle.
- the cushion 104 is provided on the left side of the seat back 108, but may be provided on the right side. That is, the cushion 104 can be installed on either the door side (near side) of the seat back 108 or the vehicle inner side (far side).
- the cushion 104 has a flat shape as a whole.
- the outer surface of the cushion 104 is constituted by a main panel 106 (a main panel 106a on the vehicle outer side, a main panel 106b on the vehicle inner side).
- the main panel 106 is made of a base fabric and is formed into a bag shape as a whole by sewing or bonding.
- the cushion 104 can also be formed by weaving using OPW (One-Piece Woven).
- An inflator 110 is attached inside the cushion 104.
- the inflator 110 is a gas generator, and a cylinder type (cylindrical type) is adopted in the present embodiment.
- the inflator is electrically connected to the vehicle side, operates in response to a signal resulting from impact detection from the vehicle side, and supplies gas to the cushion 104.
- the inflator 110 is provided with a stud bolt 112 that is fastened to the seat back 108.
- the stud 104 is attached to the seat back 108 by the stud bolt 112 passing through the cushion 104 and being fastened to the seat back 108.
- Inflators that are in widespread use are filled with a gas generating agent and burned to generate gas, filled with compressed gas and supplied with gas without generating heat, or burned There are hybrid types that use both gas and compressed gas. Any type of inflator 110 can be used.
- a vent hole 116 is provided on a side surface 114 on the vehicle outer side opposite to the occupant of the cushion 104.
- the vent hole 116 discharges the gas supplied from the inflator 110 from the inside of the cushion 104.
- the side airbag device 100 of the present embodiment can adjust the internal pressure of the cushion 104 according to the collision speed at the time of a vehicle collision, the physique of the occupant, and the like.
- the collision speed in the lateral direction at the time of a side collision is high, the movement speed of the occupant in the lateral direction increases, and the load on the occupant when the occupant is restrained by the cushion 104 tends to increase.
- small occupants are expected to be less resistant to collision energy. Therefore, in this embodiment, the internal pressure of the cushion 104 is increased when the injury value of the occupant is expected to increase, such as when the lateral collision speed is equal to or higher than a predetermined value or when the occupant's physique is less than the predetermined value. It is possible to lower.
- FIG. 1B illustrates the cushion 104 when it is predicted that the injury value of the occupant becomes high when restrained.
- the cushion protrusion 122 is also inflated and deployed when the collision speed is equal to or higher than a predetermined value or when the occupant's physique is less than the predetermined value. Since the capacity of the cushion 104 as a whole increases when the cushion protrusion 122 inflates and expands, the internal pressure of the cushion 104 can be relatively lowered.
- FIG. 2 is a diagram illustrating each cushion 104 of FIG. 1 from the left side in the vehicle width direction.
- FIG. 2A illustrates the cushion 104 of FIG. 1A while passing through the inside thereof.
- the cushion main body 120 constitutes a main range of the cushion 104, and is a part that inflates and deploys to the side of an occupant seated on the seat 102 (see FIG. 1A).
- the cushion protrusion 122 is provided on the lower side of the cushion main body 120 on the vehicle front side.
- the cushion protrusion 122 is folded back so as to be reversed to the cushion main body 120 and to be reversed into the cushion main body 120 before the cushion 104 is inflated and deployed and when the collision speed is less than a predetermined value. .
- a string-like tether 124 is connected to the cushion protrusion 122.
- the tether 124 is a part that prevents the cushion protrusion 122 from being inflated and deployed when the collision speed is less than a predetermined value, and the cushion protrusion 122 is folded back by pulling the cushion protrusion 122 rearward during the inflation and deployment. keep.
- the tether 124 passes through the inside of the cushion main body 120 and is passed over the tether cutter 126.
- the tether cutter 126 is a small and cylindrical cutter, and is installed together with the cushion 104 or the like at a predetermined position on the side of the seat 102 (see FIG. 1A). Inside the tether cutter 126, a cylinder (not shown) having a blade and a micro gas generator (not shown) are arranged. The tether cutter 126 is electrically connected to the vehicle-side power supply, the sensor 132, and the like through the connector 128, and the blade moves according to the detection result of the sensor 132. The tether 124 is passed through a hole (not shown) of the tether cutter 126 and is fastened to the tether cutter 126.
- the sensor 132 is installed in various places of the vehicle, measures and detects the state of the vehicle, and acquires various predetermined information from the vehicle.
- a side collision sensor that is installed on the side of the vehicle and detects the collision speed in the lateral direction of the vehicle, or a front collision that is installed in the front of the vehicle and detects the collision speed in the front-rear direction of the vehicle.
- Various sensors such as a sensor for detecting a weight and a physique of an occupant installed on a seat can be used.
- the control unit 134 processes each piece of information acquired through the sensor 132 and controls the movement of the tether cutter 126 according to a predetermined condition (for example, whether the lateral collision speed is equal to or higher than a predetermined value).
- the control unit 134 can also process and use the detection results of a plurality of sensors in a composite manner, whereby various information such as a collision speed, a collision angle, a collision energy, and an occupant's physique at the time of a vehicle collision can be obtained. It is possible to calculate and determine whether or not to send a movable signal to the tether cutter 126 under these conditions.
- FIG. 2B is a diagram illustrating the cushion 104 of FIG. 1B from the left side in the vehicle width direction.
- the control unit 134 transmits an operation signal to the tether cutter 126, the blade inside the tether cutter 126 moves, and the tether 124 moves. Disconnected.
- the cushion protrusion 122 receives gas from the cushion body 120 and protrudes further forward than the cushion body 120 to expand. Therefore, since the capacity of the cushion 104 as a whole increases, the internal pressure and rigidity of the cushion main body 120 can be relatively lowered.
- FIG. 3 is a cross-sectional view of each cushion of FIG.
- FIG. 3A is a cross-sectional view taken along the line AA of the cushion 104 in FIG.
- the cushion main body 120 expands thicker in the vehicle width direction with a high internal pressure. Since the passenger
- FIG. 3B is a cross-sectional view taken along the line BB of the cushion 104 in FIG.
- the injury value of the occupant is expected to increase when restrained by the cushion main body 120.
- the tether cutter 126 moves and the tether 124 is cut, and the cushion protrusion 122 protrudes forward of the vehicle and expands. Since the overall capacity of the cushion 104 increases as the cushion protrusion 122 inflates and expands, the internal pressure of the cushion main body 120 is suppressed. Therefore, the rigidity of the cushion main body 120 is also reduced, and the load that can be given to a passenger with a fast moving speed or a small passenger can be suppressed.
- control unit 134 can control the tether cutter 126 based on the information acquired from the sensor 132.
- the control unit 134 may control the tether cutter 126 on the condition of the collision speed. If the collision speed of the vehicle in the lateral direction is high at the time of a side collision or the like, the movement speed of the occupant in the lateral direction also increases, and the injury value may increase when restrained by the cushion main body 120. Therefore, the control unit 134 may determine to transmit a movable signal to the tether cutter 126 when the collision speed acquired from the side collision sensor is equal to or higher than a predetermined threshold (eg, 30 km / h). As a result, as illustrated in FIG. 3B, the tether 124 is cut, the cushion protrusion 122 is inflated and deployed, and the internal pressure of the cushion main body 120 is lowered.
- a predetermined threshold eg, 30 km / h
- the control unit 134 determines not to transmit a movable signal to the tether cutter 126. As a result, as illustrated in FIG. 3A, the tether 124 is not cut, the tether 124 prevents the cushion protrusion 122 from expanding and developing, and the internal pressure of the cushion main body 120 is kept high. .
- control unit 134 may control the tether cutter 126 on the condition of the occupant's physique.
- the control unit 134 determines to transmit a movable signal to the tether cutter 126 when the information related to the occupant's physique acquired from the seat weight detection sensor is less than a predetermined threshold (eg, the adult male physique). Also good.
- a predetermined threshold eg, the adult male physique
- the control unit 134 determines not to transmit the movable signal to the tether cutter 126.
- the tether 124 is not cut, the tether 124 prevents the cushion protrusion 122 from expanding and developing, and the internal pressure of the cushion main body 120 is kept high. .
- a test dummy doll AM50 simulating a physique that fits 50% of the average American adult male (equivalent to 50th percentile male, height 175cm, weight 78kg) can be used as a threshold value.
- control unit 134 can control the tether cutter 126 by changing the threshold value according to the occupant's physique. Even at the same collision speed, the injury value fluctuates if the occupant's physique is different. Therefore, for example, if the control unit 134 determines that the occupant's physique corresponds to a small woman, the control unit 134 considers that resistance to impact energy is low, lowers the threshold of the collision speed, and the cushion body even if the collision speed is slow It may be determined that the tether cutter 126 is moved so that the internal pressure of the portion 120 is kept low.
- control unit 134 determines that the occupant's physique is equivalent to an adult male, for example, the control unit 134 considers that the resistance to impact energy is high, raises the threshold of the collision speed, and the cushion body even if the collision speed is high It may be determined that the tether cutter 126 is not movable so that the internal pressure of the portion 120 can be kept high.
- a collision angle an object entry angle with respect to the vehicle front-rear direction
- a front collision sensor another collision detection sensor, or the like.
- the collision actually applied to the occupant simply by measuring the collision speed only in the front-rear direction or the lateral direction A value smaller than the speed may be obtained.
- a relatively high value is set even if the threshold value is the same as in the case of a front collision or a side collision. Therefore, by acquiring the collision angle as described above and calculating the collision speed applied to the occupant, it becomes possible to control the tether cutter 126 in accordance with the actual collision speed with high accuracy.
- the internal pressure of the cushion 104 can be adjusted according to various conditions such as the collision speed, the collision angle, the occupant's physique, and the collision energy at the time of the vehicle collision. It has become. As a result, the occupant can be restrained efficiently without increasing the injury value of the occupant.
- FIG. 4 is a diagram illustrating an airbag device 150 according to the second embodiment of the present invention.
- the airbag device 150 is different from the airbag device 150 illustrated in FIG. 1 in the configuration of the cushion 152.
- components that have already been described are denoted by the same reference numerals and description thereof is omitted.
- the thing with the same name as the component already demonstrated shall have the same basic structure and function.
- FIG. 4A illustrates a cushion 152 corresponding to FIG. 2B when the occupant injury value is expected to increase during restraint.
- a protrusion vent 154 is provided on the cushion protrusion 122.
- the protruding vent 154 is provided in a cylindrical shape at the front end of the cushion protruding portion 122 on the vehicle front side, and has an opening 156 that opens toward the front of the vehicle when the cushion 152 is inflated and deployed.
- Bifurcated ends 160 a and 160 b of the tether 158 are connected to the upper and lower ends of the protruding vent 154.
- FIG. 4B illustrates the cushion 152 when the injury value of the occupant is expected to be low during restraint.
- the protruding vent 154 is also reversed so as to be reversed to the cushion main body 120 side together with the cushion protruding portion 122 so as to be immersed in the cushion main body 120.
- the airbag device 150 by providing the protruding vent 154, when the injury value of the occupant is expected to increase during restraint, the amount of gas discharged from the cushion 152 increases. Therefore, the internal pressure of the cushion 152 and the load that can be applied to the occupant can be further suppressed.
- FIG. 5 is an enlarged view of the protruding vent 154 shown in FIG.
- the cushion 152 is provided with outer peripheral sewing portions 162 a and 162 b.
- the outer periphery sewing parts 162a and 162b are parts where the base fabric of the cushion protrusion part 122 provided along the outer periphery of the cushion protrusion part 122 viewed from the vehicle width direction is sewn in the vehicle width direction.
- the bifurcated ends 160a and 160b on the cushion projecting portion 122 side of the tether 158 are respectively stitched to the upper and lower outer peripheral sewing portions 162a and 162b of the projecting vent 154 without overlapping each other. With this configuration, the tether 158 can be simply connected to the cushion protrusion 122.
- FIG. 5B is a view in which the opening 156 of the protruding vent 154 in FIG.
- the opening 156 of the protruding vent 154 is the tip of the cushion protruding portion 122, and can be folded back and mounted on the vehicle so as to face the front of the vehicle again.
- the tuck-in 164 is provided by folding the opening 156.
- the outer peripheral sewing parts 162 a and 162 b in FIG. 5A are not provided up to the tip of the protruding vent 154.
- FIG. 6 is a diagram illustrating a process in which the cushion 152 in FIG. 5B is inflated and deployed.
- 6A is a cross-sectional view of the cushion 152 taken along the line CC in FIG. 5B.
- FIG. 6A when the tack-in 164 is provided and mounted on the vehicle, the opening 156 of the protruding vent 154 is folded back and inflated and deployed from the beginning toward the front of the vehicle. Therefore, it is difficult for gas to leak from the opening 156.
- FIG. 6B is a diagram illustrating a state immediately after the tether 158 of FIG. 6A is cut.
- the opening 156 is provided with a tack-in 164 so as to face the front of the vehicle even when inflated and deployed.
- FIG. 6C the gas is discharged from the opening 156 when the folding and reversing of the cushion protrusion 122 is resolved.
- the opening 156 is provided with the tack-in 164 so that the gas is difficult to leak.
- the cushion main body 120 can be quickly filled with gas and inflated and deployed.
- FIG. 7 is a diagram illustrating a modification of the cushion 152 in FIG.
- the protruding vent 182 is formed of a base cloth independent from the cushion protruding portion 122 and the like, and is provided on the cushion protruding portion 122 by sewing. Also with this configuration, the protruding vent 182 can be suitably installed.
- FIG. 8 is a diagram illustrating an airbag device 200 according to the third embodiment of the present invention.
- the cushion protrusion 122 and the protrusion vent 154 are disposed outside the cushion main body 120 in the vehicle width direction (in the vehicle left side seat 102 in FIG. 1A). Folded to the left. Also with this configuration, it is possible to realize the cushion protrusion 122 or the like that expands and deploys when it is predicted that the injury value of the occupant will increase during restraint.
- the cushion protruding portion 122 and the like are disposed so as to be folded back inside the vehicle. Is also possible.
- a tether guide 206 is provided as a first holding portion through which the tether 204 is passed, on the side surface 114 of the cushion main body 120 on the side where the cushion protrusion 122 is folded back.
- FIG. 8B is a DD cross-sectional view of the cushion 202 of FIG.
- the tether guide 206 is provided in a loop shape on the side surface 114 of the cushion 202 by sewing. By passing the tether 204 through the tether guide 206, the tether 204 can be passed over without sagging.
- FIG. 8C is an EE cross-sectional view of the cushion 202 in FIG.
- the end portions 160a and 160b of the tether 204 are not the outer peripheral sewing portion 162a (see FIG. 5A) but the side portion 208a on the right side in the vehicle width direction of the cushion protruding portion 122. It is connected to the left side 208b in the vehicle width direction.
- the tether 204 can be simply connected to the cushion protrusion 122.
- FIG. 9 is a diagram illustrating an airbag device 220 according to the fourth embodiment of the invention.
- a vent cover is used as a second holding portion in which the tip of the cushion protruding portion 122 passes through the side surface 114 of the cushion main body portion 120 where the cushion protruding portion 122 is folded back. 224 is provided.
- FIG. 9B is a GG cross-sectional view of the cushion 222 in FIG. 9A.
- the vent cover 224 is provided in a loop shape on the side surface 114 of the cushion 222 by sewing. By passing the cushion protrusion 122 through the vent cover 224, it is possible to support the cushion protrusion 122 and prevent flaking or the like.
- FIG. 10 is a diagram illustrating an airbag device 240 according to the fifth embodiment of the invention.
- a vent hole 244 is provided as a predetermined side hole in the vicinity of the tether 204 on the side surface 114 of the cushion main body 120 where the cushion protrusion 122 is folded back. Yes.
- the tether 204 enters the inside of the cushion main body 120 from the vent hole 244 and passes over the tether cutter 126 through the inside of the cushion main body 120. By passing the tether 204 through the vent hole 244, the tether 204 can be passed over without sagging.
- the vent hole 244 is provided on a path connecting the connection point 246 of the tether 204 on the cushion protrusion 122 and the tether cutter 126 with a straight line. With this configuration, the tether 204 can be transferred over the shortest distance.
- FIG. 11 is a diagram illustrating airbag apparatuses 260 and 280 according to the sixth and seventh embodiments of the present invention, respectively.
- FIG. 11A is a diagram illustrating an airbag device 260 according to the sixth embodiment.
- an open side vent 264 is provided on the left side of the cushion protrusion 122 in the vehicle width direction.
- the side vent 264 is also a part that discharges gas to the outside.
- the side vent 264 is provided in a range of the cushion protrusion 122 that is folded back to the vehicle rear side and overlaps the cushion main body 120. Therefore, when the injury value of the occupant is expected to be low before the tether 204 is cut, that is, at the time of restraint, the gas is prevented from being discharged by overlapping the side surface of the cushion main body 120. When the injury value of the occupant is expected to be high at the time of restraint, the side vent 264 discharges the gas by releasing the overlap with the cushion main body 120 together with the cutting of the tether 204. Therefore, in addition to the expansion and deployment of the cushion protrusion 122, gas discharge is also promoted, so that the entire internal pressure of the cushion 262 can be further suppressed.
- FIG. 11B is a diagram illustrating an airbag device 280 according to the seventh embodiment.
- the cushion 282 is provided with an open vent hole 284 in a range M1 of the cushion main body 120 where the cushion protrusion 122 is folded back.
- the vent hole 284 when the injury value of the occupant is expected to be low before the tether 204 is cut, that is, when restrained, the cushion protrusion 122 overlaps to suppress gas discharge.
- the vent hole 284 discharges the gas by releasing the tether 204 from being overlapped with the cushion protrusion 122. Therefore, in addition to the expansion and deployment of the cushion protrusion 122, gas discharge is also promoted, so that the entire internal pressure of the cushion 282 can be further suppressed.
- each tether is appropriately connected to an area of the base fabric other than the outer periphery sewing part (for example, the outer periphery sewing parts 162a and 162b in FIG. 5A) or the outer periphery sewing part among the cushion protrusions. can do.
- FIG. 12 is a diagram illustrating a modification of the cushion 104 in FIG.
- the cushion protruding portion 122 can be folded back to the vehicle front side after being folded back to the left side in the vehicle width direction of the cushion main body 120. Also with this configuration, the cushion protrusion 122 can be suitably folded and mounted on the vehicle.
- FIG. 13 is a diagram illustrating a side airbag device 300 according to the eighth embodiment of the present invention.
- FIG. 13A is a diagram illustrating the cushion 302 while passing through the inside from the left side (the vehicle outer side) in the vehicle width direction.
- An inner bag 304 is provided inside the cushion main body 120.
- the inner bag 304 is a so-called internal bag provided inside the cushion main body 120 so as to surround the inflator 110 with a base cloth. Since the inner bag 304 receives the gas supplied from the inflator 110 before the main panel 106a or the like, it is possible to prevent a sudden increase in rigidity of the main panel 106 or the like that contacts the occupant.
- the inner bag 304 is provided in a bag shape containing the inflator 110.
- the inner bag 304 is folded into a bag shape that fits the shape of the cushion 104 on the vehicle rear side, and a part of the inner bag 304 is overlaid on the outer periphery of the main panels 106a and 106b (see FIG. 1A). It can also be provided by sewing together with these.
- the inner bag 304 is provided with two openings, an inner vent 306a in the upper part on the front side of the vehicle and an inner vent 306b in the lower part, as a part for supplying gas to the front side of the cushion main body 104.
- the gas supplied from the inflator 110 passes through each of the inner vents 306a and 306b and flows toward the front side of the vehicle.
- the inner bag 304 first receives the gas from the inflator 110, and then the gas is supplied from the inner bag 304 to the entire cushion main body 120.
- the tether 308 is provided with a branch tether 310.
- the branch tether 310 plays a role of preventing the cut tether 308 from jumping out of the cushion 302.
- FIG. 13 (b) is a diagram showing a state in which the cushion protrusion 122 of FIG. 13 (a) is folded back.
- the tether 308 enters the inside of the cushion main body 120 from the vent hole 244 and passes through the inside of the cushion main body 120 to the tether cutter 126. Has been.
- the tether 308 is stretched over the tip of the cushion protrusion 122 so that the cushion protrusion 122 can be efficiently pulled back.
- the cushion protrusion 122 has a tapered shape in which the width in the vertical direction of the vehicle gradually becomes narrower toward the front of the vehicle when expanded by receiving gas. When the shape is tapered, the gas can smoothly flow into the tip, and the gas can be efficiently discharged from the protruding vent 154 at the tip.
- FIG. 14 is a diagram illustrating the cushion 302 in FIG. 13B from each direction.
- FIG. 14A is an HH sectional view of the cushion 302 of FIG.
- FIG. 14A illustrates the state of the cushion 302 after the inflator 110 is moved, and the tether cutter 126 is not movable.
- the branch tether 310 is extended inside the cushion main body 120 and between the inner bag 304 and the tether 308.
- FIG. 14B illustrates a state of the cushion 302 after the tether cutter 126 of FIG. 14A is moved.
- the branch tether 310 connects the cut tether 308 to the inside of the cushion main body 120 and prevents the tether 308 from jumping out of the cushion main body 120 through the vent hole 244 or the protruding vent 154.
- the length of the branch tether 310 is preferably set to such a length that the cushion protrusion 122 can be folded and unfolded.
- FIG. 15 is a diagram illustrating a side airbag device 320 according to the ninth embodiment of the present invention. As illustrated in FIG. 15B to be described later, the side airbag device 320 is provided with a folded portion 322 as an interference portion in the middle portion of the tether 308. The folded portion 322 also prevents the cut tether 308 from jumping out of the cushion main body 120, similarly to the branch tether 310 of FIG.
- FIG. 15A is an enlarged perspective view of the folded portion 322.
- the folded-back portion 322 is provided by sewing a part of the tether 308 by bending the tether 308 a plurality of times so that the tether 308 protrudes in a direction intersecting the tether 308 when the tether 308 is straightened. Yes.
- FIG. 15B illustrates a state of the cushion 326 after the inflator 110 is moved, and illustrates a state in which the tether cutter 126 is not movable.
- the folded portion 322 is provided in the tether 308 inside the cushion main body 120 and further inside the inner bag 304.
- the tether 308 is passed to the tether cutter 126 through the slit 324 provided in the inner bag 304, but may be passed to the tether cutter 126 through the inner vent 306b.
- FIG. 15C is a diagram illustrating the state of the cushion 326 after the tether cutter 126 of FIG. 15B is moved.
- the tether 308 is cut and the cushion protrusion 122 is inflated and deployed, when the tether 308 is further moved in the direction of pulling out from the vent hole 244, the folded portion 322 is formed at the edge of the slit 324 of the inner bag 304 within the cushion main body 120. Interfere with. Thereby, it is possible to prevent the cut tether 308 from jumping out from the cushion main body 120. As a result, it is possible to prevent unexpected situations such as the tether 308 becoming entangled with other structures, and to maintain the performance of the cushion 302.
- the folded portion 322 may be configured to pass the tether 308 through the inner vent 306b and interfere with the edge of the inner vent 306b.
- FIG. 16 is a diagram illustrating a side airbag device 340 according to the tenth embodiment of the present invention.
- a patch 342 is provided in the middle portion of the tether 308 as an interference portion having the same function as the folded portion 322 in FIG.
- FIG. 16A is an enlarged perspective view of the patch 342.
- the patch 342 is a circular component attached to the tether 308 and protrudes in a direction intersecting the tether 308 when the tether 308 is extended in a straight line.
- FIG. 16B illustrates a state of the cushion 344 after the inflator 110 is moved, and illustrates a state in which the tether cutter 126 is not movable.
- the patch 342 is provided in the tether 308 inside the cushion main body 120 and further inside the inner bag 304.
- FIG. 16C illustrates the state after the tether cutter 126 of the cushion 344 in FIG. 16B is moved.
- the patch 342 may be configured to pass through the tether 308 through the inner vent 306b and interfere with the edge of the inner vent 306b.
- FIG. 17 is a diagram illustrating the patch 342 of FIG. 16A from each direction.
- FIG. 17A illustrates the patch 342 of FIG. 16A as viewed from the opposite side.
- the patch 342 can be made of the same material as the tether 308 and the main panel 106 (see FIG. 1A), and is attached to the tether 308 by sewing two independent first parts 342a and second parts 342b together. It has been.
- FIG. 17 (b) is an exploded view of the patch 342 of FIG. 17 (a).
- Each of the first part 342a and the second part 342b has a semicircular shape, and has a configuration in which a protruding piece 348 protrudes from a linear edge 346.
- the first part 342 a and the second part 342 b are sewn together at the edge 346 and sewn to the tether 308 at the projecting piece 348.
- FIG. 18 is a diagram illustrating a modification of the interference unit in FIGS. 15 and 17.
- the knot portion 360 of FIG. 18A is provided by providing a knot at a predetermined location of the tether 308 as a modification of the folded portion 322 of FIG.
- a portion that protrudes in a direction intersecting the tether 308 when the tether 308 is extended in a straight line can be realized. Therefore, the knot portion 360 also interferes with the slit 324 in the same manner as the folded portion 322 of FIG. 15C, and can prevent the tether 308 from jumping out from the cushion main body portion.
- FIG. 18B is a diagram illustrating a modification of the patch 342 in FIG.
- a patch 370 illustrated in FIG. 18B is a single circular independent part, and a hole 372 is provided at the center, and a protrusion 374 is provided at an edge of the hole 372.
- the patch 370 also interferes with the slit 324 of the inner bag 304 (see FIG. 16C) by passing the tether 308 (see FIG. 17B) through the hole 372 and sewing the protruding piece 374 to the tether 308. It becomes an interference part. Therefore, the patch 370 can suitably prevent the tether 308 from jumping out from the cushion main body 120.
- FIG. 19 is a diagram illustrating a side airbag device 400 according to the eleventh embodiment of the present invention.
- a reinforcing member 402 is provided to reinforce the cushion protrusion 122.
- FIG. 19A illustrates the cushion protrusion 122 as viewed from the right side in the vehicle width direction.
- the reinforcing material 402 has a shape along the cushion protrusion 122, and the tip of the cushion protrusion 122 protrudes in a triangular shape.
- the reinforcing material 402 can be made of the same material as the base fabric that forms the cushion 404.
- Reinforcing material 402 is sewn to cushion protrusion 122 along the outer periphery. Furthermore, the reinforcing member 402 is co-sewn to the cushion protruding portion 122 by outer peripheral sewing portions 162a and 162b that sew the outer periphery of the cushion protruding portion 122 in the vehicle width direction. With these configurations, the reinforcing member 402 can be simply attached to the cushion protrusion 122. A tether 308 is sewn to the cushion protrusion 122 together with the reinforcing material 402 from above the reinforcing material 402.
- FIG. 19B is a diagram illustrating a state where the cushion protrusion 122 of FIG. 19A is folded. As illustrated in FIG. 19B, the tether 308 enters the interior of the cushion main body 120 from the vent hole 244 and passes over the interior of the cushion main body 120 to the tether cutter 126.
- FIG. 19 (c) is a cross-sectional view taken along the line II of the cushion 404 in FIG. 19 (b).
- the reinforcing material 402 is provided outside the folded cushion protrusion 122.
- the “outside” of the folded cushion protrusion 122 refers to the exposed side that does not face the cushion body 120, and “inside” refers to the exposed side that faces the cushion body 120. Point to no side.
- the reinforcing material 402 is configured to be thicker than the base fabric of the cushion protrusion 122. Therefore, the reinforcing member 402 has higher rigidity than the base fabric of the cushion protrusion 122. By attaching the reinforcing member 402, the cushion protrusion 122 is improved in rigidity, and durability against gas pressure and heat is improved.
- the front end side of the reinforcing material 402 has a triangular shape, and the tether 308 is attached through the vicinity of the apex of the reinforcing material 402. Therefore, the force transmitted from the tether 308 is efficiently dispersed throughout the reinforcing material 402, and damage to the cushion protrusion 122 can be prevented efficiently.
- FIG. 20 is a diagram illustrating a side airbag device 420 according to the twelfth embodiment of the present invention. Also in the present embodiment, a reinforcing material 422 is provided to reinforce the cushion protrusion 122.
- FIG. 20A illustrates the cushion protrusion 122 as viewed from the left side in the vehicle width direction.
- the reinforcing material 422 has a shape along the cushion protrusion 122, and is provided by being divided into a plurality of parts from the cushion main body 120 toward the tip of the cushion protrusion 122.
- the reinforcing member 422 is divided into two first parts 422a and second parts 422b.
- FIG. 20 (b) is an exploded view of the reinforcing material 422 and the like of FIG. 20 (a).
- the reinforcing material 422 and the other reinforcing material 426 are attached from both sides of the cushion protruding portion 122 in the vehicle width direction.
- the reinforcing material 426 is also attached by being divided into a total of two first parts 426a and second parts 426b.
- FIG. 21 is a diagram illustrating the cushion 424 of FIG. 20A from each direction.
- FIG. 21A is a JJ cross-sectional view of the cushion protrusion of FIG.
- the reinforcing members 422 and 426 are configured to be thicker than the base fabric of the cushion protrusion 122, and are in a state in which a part of the cushion protrusion 122 and the cushion main body 120 are sandwiched from both sides in the vehicle width direction. . According to the reinforcing members 422 and 426, the resistance of the cushion protrusion 122 to gas pressure and heat can be increased, and the cushion protrusion 122 can be suitably reinforced.
- FIG. 21 (b) is a diagram illustrating a state in which the cushion protrusion 122 of FIG. 20 (a) is folded back. Even in the cushion protrusion 122 to which the reinforcing members 422 and 426 are attached, since the parts constituting the reinforcing members 422 and 426 become joints, it can be suitably folded back.
- the reinforcing members 422 and 426 can be divided by a line segment that intersects the tether 308 in a state where it is passed over the tether cutter 126 (see FIG. 13B and the like).
- FIG. 22 is a diagram illustrating a side airbag device 440 according to a twelfth embodiment of the present invention. Also in this embodiment, a reinforcing member 442 is provided to reinforce the cushion protrusion 122 of the cushion 448.
- FIG. 22A illustrates the cushion protrusion 122 as viewed from the left side in the vehicle width direction.
- the reinforcing member 442 has a rectangular shape and is attached so as to cover a part of the cushion protrusion 122 and the cushion main body 120.
- the reinforcing member 442 can also be attached to the cushion protrusion 122 by sewing together with the outer peripheral sewing parts 162 a and 162 b of the cushion protrusion 122.
- FIG. 22B is a diagram illustrating a state in which the cushion protrusion 122 of FIG.
- the reinforcing member 442 can be cured to some extent by applying a heat and pressure treatment, and can retain the shape and keep the cushion protruding portion 122 folded.
- FIG. 23 is a diagram illustrating the reinforcing material 442 of FIG. 22A from each direction.
- FIG. 23A is an enlarged perspective view of the reinforcing member 442.
- the reinforcing material 442 of the present embodiment is provided as a ductile cloth material including a plurality of different polymer fibers.
- FIG. 23B is a diagram illustrating a cross section of the reinforcing member 442 in FIG.
- the reinforcing material 442 is in a nonwoven fabric state in which polymer fibers are entangled without being woven.
- a plurality of different polymer fibers constituting the reinforcing material 442 include a two-component composite fiber 444 having a core-sheath structure and a single component fiber 446 composed of a single component.
- the two-component composite fiber 444 is composed of two layers of a core part on the center side and a sheath part that covers the periphery of the core part. These core part and sheath part are comprised with the polymeric material of a different component.
- fibers having a lower melting point are employed in the second polymer material constituting the sheath portion than in the first polymer material constituting the core portion.
- the two-component composite fiber 444 can be implemented as a polyester fiber made of polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- the first polymeric material in the core may be a PET homopolymer and the second polymeric material in the sheath may be a PET copolymer.
- a PET copolymer has a lower melting point than a PET homopolymer (for example, in the range of 120 to 150 ° C.) due to the addition of a copolymerization component. If it is these structures, the bicomponent composite fiber 444 can be implemented suitably.
- the single component fiber 446 it is preferable to use one having a higher melting point than the surface of the two component composite fiber 444 which is another polymer fiber.
- a polyester fiber formed only of a PET homopolymer can be adopted as the single component fiber 446.
- the single component fiber 446 is preferable because it has a higher melting point than the sheath (PET copolymer) on the surface of the two component composite fiber.
- the reinforcing material 442 is made of 100% PET non-woven fabric (polyester felt) by a known needle method in which the bicomponent composite fiber 444 and the single component fiber 446 are entangled with each other randomly or pseudo-randomly by needle processing. Can be provided. In that case, the bicomponent composite fiber 444 may occupy 30% to 60% of the total fiber, and the rest may be all single component fibers 446.
- FIG. 23 (c) is a diagram illustrating a state in which the reinforcing material 442 in FIG.
- the reinforcing member 442 having the above-described configuration is heated and pressed by pressing with a predetermined instrument, so that the sheath of the surface of the two-component composite fiber 444 is melted, so that at least the two-component composite fiber 444 and the single-component fiber 446 are present. Some are fused together.
- the reinforcing material becomes thinner than the state before the treatment (for example, compressed from about 4.25 mm to about 0.55 mm), and accordingly, the reinforcing material is appropriately cured and the shape is maintained. .
- FIG. 24 is a KK cross-sectional view of the reinforcing material of FIG. 22 (b).
- the reinforcing material 442 in FIG. 24A illustrates the state before the heat and pressure treatment is performed.
- the cushion protrusion 122 is folded back to the side of the cushion main body 120 on the vehicle outer side in the vehicle width direction (the lower side in FIG. 24A).
- the reinforcing material 442 is provided so as to cover the cushion protrusion 122 from the outside of the folded cushion protrusion 122, that is, from the mountain fold side with respect to the return.
- FIG. 24B is a diagram illustrating a state where the heat and pressure treatment is applied to the reinforcing material 442 of FIG.
- the heat and pressure treatment is performed, for example, at a temperature that is equal to or higher than the melting point of the sheath portion of the bicomponent composite fiber 444 (see FIG. 23A) and lower than the melting point of the core portion of the single component fiber 446 and the bicomponent composite fiber 444.
- a temperature that is equal to or higher than the melting point of the sheath portion of the bicomponent composite fiber 444 (see FIG. 23A) and lower than the melting point of the core portion of the single component fiber 446 and the bicomponent composite fiber 444.
- the reinforcing material 442 is thinned and hardened by heat and pressure treatment, and the shape is maintained. With this reinforcing material 442, the cushion protrusion 122 can be kept folded without relying on the tether 308. That is, the cushion protrusion 442 can be folded back temporarily. Therefore, the reinforcing member 442 can greatly improve the efficiency of the operation of mounting the cushion 448 on the seat 102 (see FIG. 1A).
- the reinforcing material 442 has the function of improving durability against the pressure and heat of the gas in the cushion protruding portion 122 and the tension applied from the tether 308, similarly to the reinforcing material 402 in FIG.
- the part 122 can be suitably reinforced.
- the heating and pressurizing treatment to the reinforcing material 442 can be performed on only a part.
- a portion of the reinforcing material 442 that does not overlap the protruding vent 154 may be configured to remain soft without being subjected to heat and pressure treatment.
- the heat and pressure treatment can be performed in stages. For example, first, only a part of the reinforcing material 442 is subjected to heat and pressure treatment to be fused to the base fabric of the cushion protruding portion 122, and the reinforcing material 442 is temporarily fixed.
- FIG. 25 is a diagram illustrating a modified example of the reinforcing material 442 in FIG.
- the reinforcing member 460 can be provided inside the folded cushion protrusion 122, that is, on the mountain fold side with respect to the folding of the cushion protrusion 122.
- the folding back of the cushion protruding portion 122 and the reinforcement of the cushion protruding portion 122 can be suitably performed in the same manner as the reinforcing material 460 of FIG.
- the reinforcing member 460 of FIG. 25 and the reinforcing member 442 of FIG. 24B are provided at the same time, and the cushion protrusion 122 is sandwiched by the reinforcing members 442 and 460 from both sides in the vehicle width direction. It is also possible.
- the reinforcing member 442 has a rectangular configuration, but the shape of the reinforcing member 442 is not limited.
- the reinforcing member 442 may be provided in a larger shape and cover the entire folded cushion protrusion 122. Further, the reinforcing member 442 can be configured to have a shape along the cushion protrusion 122 and not to provide an excessive portion.
- the reinforcing material 442 may be configured to be partially ruptureable.
- the reinforcing member 442 may cover the folded cushion protruding portion 122 and a part thereof may be fused to the cushion main body portion 120, thereby holding the folded cushion protruding portion 122 folded.
- the reinforcing member 460 is provided with a broken-line slit between the portion connected to the cushion protrusion 122 and the portion fused to the cushion body 120, and when the tether 308 is cut. May be configured to be broken at the slit 324 by the expansion pressure of the cushion protrusion 122 to open the cushion protrusion 122.
- the reinforcing material 442 (see FIG. 23B) has been described as including the two-component composite fiber 444 and the single-component fiber 446.
- other polymer fibers having different materials and thicknesses are used. It is also possible to adopt a configuration including With these configurations, it is possible to appropriately change the stretchability and heat resistance of the reinforcing material.
- the reinforcing material 442 has a nonwoven fabric structure in which fibers are entangled with each other, but a woven fabric structure in which fibers are woven can also be used. Even with a woven fabric structure, it can function as a ductile fabric material if the fiber has a certain degree of mobility and elasticity, as with the nonwoven fabric structure. is there.
- each reinforcing cloth is folded back to the outside of the cushion main body 120.
- the cushion protrusion 122 is folded back so as to be immersed in the cushion body 120 using the tether 158 or the like as illustrated in FIG. Is also possible.
- each reinforcing cloth can function suitably for reinforcing the cushion protrusion 122 and holding the cushion protrusion 122 folded.
- the side airbag device 100 can be implemented as a configuration in which the cushion 104 is installed on either the near side or the far side of the seat back 108 in the vehicle.
- the side airbag device according to the present invention can be implemented on a seat of a single seat type vehicle such as small mobility.
- the present invention can be used in a side airbag device that is installed on a side portion of a vehicle seat and includes a cushion main body portion that can be inflated by gas from the side portion to the front side of the vehicle.
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Abstract
Description
図1は、本発明の第1実施形態に係るサイドエアバッグ装置100を例示した図である。図1(a)ではサイドエアバッグ装置100、およびこのサイドエアバッグ装置100が適用されている車両左側の座席102を、車幅方向の左側から例示している。以降、図1(a)その他の本願のすべての図面において、車両前後方向をそれぞれ矢印F(Forward)、B(Back)、車幅方向の車外側および車内側を左右方向としてそれぞれ矢印L(Left)、R(Right)、車両上下方向をそれぞれ矢印U(up)、D(down)で例示する。
図4は、本発明の第2実施形態にかかるエアバッグ装置150を例示した図である。エアバッグ装置150は、クッション152の構成において、図1に例示したエアバッグ装置150と異なっている。なお、以降の記載において、既に説明した構成要素については、同じ符号を付することによって、その説明を省略する。また、異なる符号が付された構成要素であっても、既に説明した構成要素と同じ名称のものは、基本的な構成および機能は同じものとする。
図8は、本発明の第3実施形態にかかるエアバッグ装置200を例示した図である。エアバッグ装置200のクッション202では、クッション突出部122および突出ベント154を、クッション本体部120の外部の車幅方向の車外側(図1(a)の車両左側の座席102では、車幅方向の左側)に折り返している。この構成によっても、拘束時において乗員の傷害値が高くなることが予想された場合に膨張展開するクッション突出部122等が実現可能である。なお、クッション突出部122等は、クッション202が座席102(図1(a)参照)の車幅方向の右側(車内側)の側部に設けられる場合には、車内側に折り返して配置することも可能である。
図9は、本発明の第4実施形態にかかるエアバッグ装置220を例示した図である。図9(a)に例示するエアバッグ装置220では、クッション本体部120のうちクッション突出部122が折り返される側面114に、クッション突出部122の先端が通される第2の保持部として、ベントカバー224を設けている。
図10は、本発明の第5実施形態にかかるエアバッグ装置240を例示した図である。図10に例示するエアバッグ装置240のクッション242では、クッション本体部120のうち、クッション突出部122が折り返される側面114のテザー204の近傍に、所定の側面孔部としてベントホール244が設けられている。テザー204は、ベントホール244からクッション本体部120の内部に進入し、クッション本体部120の内部を通ってテザーカッター126にかけ渡されている。テザー204をベントホール244に通すことによっても、テザー204をたるませることなくかけ渡すことができる。
図11は、本発明の第6および第7実施形態にかかるエアバッグ装置260、280をそれぞれ例示した図である。図11(a)は、第6実施形態にかかるエアバッグ装置260を例示した図である。エアバッグ装置260のクッション262では、クッション突出部122の車幅方向左側の側部に、開口した側部ベント264を設けている。側部ベント264もまた、ガスを外部に排出する部位である。
Claims (40)
- ガスを供給するインフレータと、
車両の座席の側部に設置され該側部から車両前方に前記ガスによって膨張可能なクッション本体部と、
前記クッション本体部の車両前方側に設けられ該クッション本体部からガスを受けてさらに車両前方に突出して膨張可能なクッション突出部と、
紐状であって前記クッション突出部から前記座席の側部の所定箇所までかけ渡され、該クッション突出部を車両後方に折り返された状態に保つテザーと、
前記車両から所定の情報を取得するセンサと、
前記センサが取得した情報に応じて前記テザーを切断するテザーカッターと、を備えることを特徴とするサイドエアバッグ装置。 - 前記クッション突出部の車両前方側の先端には、前記クッションの膨張展開時に車両前方に向かって開口する突出ベントが設けられていることを特徴とする請求項1に記載のサイドエアバッグ装置。
- 前記クッション突出部のうち、前記折り返されて前記クッション本体部に重なる範囲には、開口した側部ベントが設けられていることを特徴とする請求項1に記載のサイドエアバッグ装置。
- 前記クッション本体部のうち、前記折り返されたクッション突出部と重なる範囲には、開口したベントホールが設けられていることを特徴とする請求項1に記載のサイドエアバッグ装置。
- 前記クッション突出部は、前記ガスを受けて膨張したときに車両上下方向の幅が車両前方に向かって次第に細くなる先細り形状を有することを特徴とする請求項1から4のいずれか1項に記載のサイドエアバッグ装置。
- 前記テザーは前記クッション突出部の先端にかけ渡されていることを特徴とする請求項1から5のいずれか1項に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、前記クッション突出部に取り付けられ該クッション突出部の剛性を高める1つ以上の補強材を備えることを特徴とする請求項1から6のいずれか1項に記載のサイドエアバッグ装置。
- 前記補強材は、複数の異なる高分子繊維を含んだ延性布材料として設けられ、該高分子繊維同士の少なくとも一部が互いに融着して形状が保持された状態になっていることを特徴とする請求項7に記載のサイドエアバッグ装置。
- 前記補強材は、少なくとも一部が圧縮された状態になっていることを特徴とする請求項8に記載のサイドエアバッグ装置。
- 前記補強材は、前記高分子繊維を織らずに絡み合わせた不織布の状態になっていることを特徴とする請求項8または9に記載のサイドエアバッグ装置。
- 前記複数の異なる高分子繊維は、芯鞘構造の2成分複合繊維を含み、
前記2成分複合繊維の鞘部は、芯部を構成する第1の高分子材料よりも融点の低い第2の高分子材料で構成されていることを特徴とする請求項8から10のいずれか1項に記載のサイドエアバッグ装置。 - 前記第1の高分子材料はポリエチレンテレフタレートホモポリマーであり、前記第2の高分子材料はポリエチレンテレフタレートコポリマーであることを特徴とする請求項11に記載のサイドエアバッグ装置。
- 前記複数の異なる高分子繊維は、単一の成分で構成された単成分繊維を含むことを特徴とする請求項8から12のいずれか1項に記載のサイドエアバッグ装置。
- 前記単成分繊維は、前記補強材に含まれる他の高分子繊維の表面よりも融点が高いことを特徴とする請求項13に記載のサイドエアバッグ装置。
- 前記単成分繊維は、ポリエチレンテレフタレートで構成されていることを特徴とする請求項13または14に記載のサイドエアバッグ装置。
- 前記補強材は、前記クッション突出部の基布よりも肉厚であることを特徴とする請求項7に記載のサイドエアバッグ装置。
- 前記補強材は、前記クッション本体部から前記クッション突出部の先端に向かって複数に分割されて設けられていることを特徴とする請求項16に記載のサイドエアバッグ装置。
- 前記クッション突出部は、前記クッション本体部の車幅方向の車外側または車内側いずれかの側面に折り返された状態になっていて、
前記補強材は、前記折り返されたクッション突出部の外側に設けられていることを特徴とする請求項7から17のいずれか1項に記載のサイドエアバッグ装置。 - 前記クッション突出部は、前記クッション本体部の車幅方向の車外側または車内側いずれかの側面に折り返された状態になっていて、
前記補強材は、前記折り返されたクッション突出部の内側に設けられていることを特徴とする請求項7から17のいずれか1項に記載のサイドエアバッグ装置。 - 前記補強材は、前記クッション突出部および前記クッション本体部の一部を車幅方向の両側から挟持した状態になっていることを特徴とする請求項7から17のいずれか1項に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、車幅方向から見た前記クッション突出部の外周に沿って該クッション突出部の基布を縫い合わせている外周縫製部を備え、
前記補強材は、前記外周縫製部に共縫いされていることを特徴とする請求項7から20のいずれか1項に記載のサイドエアバッグ装置。 - 前記テザーは、前記クッション突出部を前記クッション本体部の内部に没入するように折り返された状態に保ち、該クッション本体部の内部を通って前記座席の側部の前記所定箇所にかけ渡されていることを特徴とする請求項1から17および20のいずれか1項に記載のサイドエアバッグ装置。
- 前記クッション突出部の前記折り返された先端が再び車両前方に折り返されていることを特徴とする請求項22に記載のサイドエアバッグ装置。
- 前記テザーは、前記クッション突出部を前記クッション本体部の車幅方向の車外側または車内側いずれかの側面に折り返された状態に保つことを特徴とする請求項1から21のいずれか1項に記載のサイドエアバッグ装置。
- 前記クッション本体部のうち、前記クッション突出部が折り返される側面には所定の側面孔部が設けられていて、
前記テザーは、前記側面孔部から前記クッション本体部の内部を通って前記座席の側部の所定箇所にかけ渡されていることを特徴とする請求項24に記載のサイドエアバッグ装置。 - 当該サイドエアバッグ装置はさらに、前記クッション本体部の内部にて前記テザーに設けられ、該テザーを前記側面孔部から引き抜き不能にする干渉部を備えることを特徴とする請求項25に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、前記クッション本体部の内部にて基布で前記インフレータを囲うよう設けられている内部バッグを備え、
前記テザーは前記内部バッグの内部を通っていて、前記干渉部は該内部バッグの内部に設けられ該内部バッグに干渉することを特徴とする請求項26に記載のサイドエアバッグ装置。 - 前記干渉部は、前記テザーに設けられた結び目であることを特徴とする請求項26または27に記載のサイドエアバッグ装置。
- 前記干渉部は、前記テザーの一部であって折り返され縫製された状態にある一部であることを特徴とする請求項26または27に記載のサイドエアバッグ装置。
- 前記干渉部は、前記テザーに取り付けられて該テザーに交差する方向へ突出するパッチであることを特徴とする請求項26または27に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、前記クッション本体部の内部にて該クッション本体部と前記テザーとにかけ渡され、該テザーを前記側面孔部から引き抜き不能にする分岐テザーを備えることを特徴とする請求項25に記載のサイドエアバッグ装置。
- 前記側面孔部は、前記クッション突出部上の前記テザーの接続点と前記座席の側部の所定箇所とを直線で結ぶ経路上に設けられていることを特徴とする請求項25から30のいずれか1項に記載のサイドエアバッグ装置。
- 前記クッション突出部の先端が再び車両前方に折り返されていることを特徴とする請求項24から32のいずれか1項に記載のサイドエアバッグ装置。
- 前記クッション本体部のうち、前記クッション突出部が折り返される側面には前記テザーが通される第1の保持部が設けられていることを特徴とする請求項24から33のいずれ1項に記載のサイドエアバッグ装置。
- 前記クッション本体部のうち、前記クッション突出部が折り返される側面には該クッション突出部の先端が通される第2の保持部が設けられていることを特徴とする請求項24から34のいずれか1項に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、車幅方向から見た前記クッション突出部の外周に沿って該クッション突出部の基布を縫い合わせている外周縫製部を備え、
前記テザーは、前記外周縫製部に共縫いされていることを特徴とする請求項1から35のいずれか1項に記載のサイドエアバッグ装置。 - 前記テザーの前記クッション突出部側は二股に分かれていて、それぞれが前記外周縫製部に共縫いされていることを特徴とする請求項36に記載のサイドエアバッグ装置。
- 前記テザーの前記二股の端部同士は重なっていないことを特徴とする請求項37に記載のサイドエアバッグ装置。
- 当該サイドエアバッグ装置はさらに、車幅方向から見た前記クッション突出部の外周に沿って該クッション突出部の基布を縫い合わせている外周縫製部を備え、
前記テザーは、前記クッション突出部のうち前記外周縫製部以外の領域に接続されていることを特徴とする請求項1から35のいずれか1項に記載のサイドエアバッグ装置。 - 前記テザーの前記クッション突出部側は二股に分かれていて、一方の端部が該クッション突出部の車幅方向左側に接続され、他方の端部が該クッション突出部の車幅方向右側に接続されていることを特徴とする請求項39に記載のサイドエアバッグ装置。
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KR1020187030935A KR102098372B1 (ko) | 2016-05-20 | 2017-05-11 | 사이드 에어백 장치 |
CN201780030971.2A CN109153363B (zh) | 2016-05-20 | 2017-05-11 | 侧气囊装置 |
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- 2017-05-11 CN CN201780030971.2A patent/CN109153363B/zh active Active
- 2017-05-11 EP EP17799274.0A patent/EP3459795B1/en active Active
- 2017-05-11 WO PCT/JP2017/017882 patent/WO2017199850A1/ja unknown
- 2017-05-11 US US16/094,008 patent/US10981533B2/en active Active
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CN110182164B (zh) * | 2018-02-20 | 2022-06-21 | 日本富拉司特株式会社 | 安全气囊装置 |
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JPWO2020080374A1 (ja) * | 2018-10-15 | 2021-09-02 | オートリブ ディベロップメント エービー | 乗員拘束装置 |
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US20190111884A1 (en) | 2019-04-18 |
EP3459795A1 (en) | 2019-03-27 |
KR20180128948A (ko) | 2018-12-04 |
JP6738416B2 (ja) | 2020-08-12 |
EP3459795A4 (en) | 2019-11-06 |
KR102098372B1 (ko) | 2020-04-07 |
US10981533B2 (en) | 2021-04-20 |
JPWO2017199850A1 (ja) | 2019-04-18 |
CN109153363A (zh) | 2019-01-04 |
CN109153363B (zh) | 2021-03-30 |
EP3459795B1 (en) | 2020-11-25 |
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