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
  • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
  • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
  • B60N2/4235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces transversal
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
  • B60N2/427—Seats or parts thereof displaced during a crash
  • B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
  • B60N2/42736—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the whole seat
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
  • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
  • B60N2/427—Seats or parts thereof displaced during a crash
  • B60N2/42772—Seats or parts thereof displaced during a crash characterised by the triggering system
  • B60N2/4279—Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
• • 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

Definitions

• the invention relates to an occupant restraint device for a motor vehicle according to the preamble of claim 1.
• Such an occupant restraint device comprises a backrest cheek projecting from a backrest of a motor vehicle seat, which has an outer side facing away from the motor vehicle seat, and a support structure of a motor vehicle, which has an inner side facing the outer side of the backrest cheek, based on a state installed in a motor vehicle, and an outer space of the motor vehicle facing the outside, which faces away from the inside.
• the known occupant restraint device comprises an on Motor vehicle seat to be arranged gas bag, which is inflatable for the protection of an occupant from the outside on the outside of the support structure force application, wherein the gas bag is supported in an inflated state on the inside of the support structure and one from the inside of the support structure forth on the outside of the Back cheek directed counterforce on the outside of the backrest cheek exercises.
• the invention is based on the problem to provide an occupant restraint device of the aforementioned type, wherein in the case of restraint, the connection of an occupant occupying the motor vehicle seat is improved to the motor vehicle seat.
• a pre-crash detection device for detecting an impinging external force on the outside of the support structure (eg side impact), which upon detection of an impending force, an extension of the backrest cheek along a direction extending transversely to the backrest extension direction activated.
• the backrest cheek can also be extended transversely to the direction of expansion or have a reduced extent along a direction extending transversely to the direction of extension due to the expansion along the direction of expansion.
• the displaceable backrest cheek serves on the one hand an improved lateral support of the occupant on the vehicle seat and thus an increased coupling to the motor vehicle seat, on the other hand, the extended backrest cheek acts as a force mediator and load distributor between the inflated airbag and the occupant.
• the pre-positioned by the backrest cheek gas bag is already approximately in its operative position at the time of ignition and therefore allows a fast
• Pulse of the unfolding airbag (and possibly a cover of the airbag) on the backrest cheek can the beginning of action by the contact between backrest cheek and
• the gas bag is arranged adjacent to the outside of the backrest cheek in the motor vehicle seat.
• the area effect of the airbag over the load distributor in the form of the extended backrest cheek on the occupants allows the use of high-performance airbags, which has an advantageous effect on the effective occupant protection.
• the ignition of the airbag may possibly take place so early that the airbag acts on the occupant already before the start of the intrusion on the backrest cheek and thus actively increases the space between occupant and support structure.
• the occupant is pushed away from the supporting structure (for example door structure) by the gas bag with the deforming backrest (backrest cheek).
• the effective absorption path is increased and the relative speed with which the occupant is possibly hit by the intruding support structure is reduced.
• an ignition of the gas bag is preferably carried out by means of a crash sensor, which is designed to sense a crash actually occurring. For example, by detecting a deceleration or deformation of the motor vehicle by a collision object.
• expandable backrest cheek Another advantage of the expandable backrest cheek is its ability to self-create the space required for its positioning by pushing away soft structures and occupant body parts. This ensures a sufficiently large unfolding space for the airbag module (gas bag) coupled to the backrest cheek.
• the backrest cheek has a back cheek body which can be moved back and forth along the direction of expansion between a rest position and an operating position. This can be enveloped by an outer envelope of the backrest cheek (foam, possibly with reference).
• the backrest body is designed and intended to be moved from a rest position to an operating position to convert the backrest cheek in its expanded state.
• at least one (possibly reversible) inflatable body may be provided in the backrest cheek, so that the extended state of the backrest cheek can be produced or adjusted by inflating the at least one inflatable body.
• the backrest of the motor vehicle seat on a backrest frame as a main body of the backrest on which the back cheek body is preferably movably mounted to move from the rest position to the operating position.
• the back cheek body is movably mounted on the Lehnrahmen via a first and a second lever, wherein the two levers are each pivotally mounted on one of its ends on the back cheek body, and wherein the two levers mounted on the respective other end pivotally mounted on the back frame are.
• the two levers are fixed to each other via a respective middle, the two ends integrally connected to each other pivotally against each other.
• the two levers are preferably mounted in each case about an axis extending along the backrest cheek pivotally mounted on the back frame, so that the backrest cheek when expanding along the extension direction, ie, when moving the back cheek body from the rest position to the operating position, to a vehicle seat occupying the intended occupant to be moved.
• a movement generating device cooperating with the pre-crash detection device is provided, which is designed and intended to pivot at least one of the two levers, in particular both levers, upon detecting an impending force on the outside of the support structure to shift the back cheek body from the rest position to the operating position.
• a guide means is provided for the linearly displaceable mounting of the backrest cheek body on the backrest frame, that at least one elongated hole formed on the backrest frame and extended along the extension direction has a pin which engages with the slot, so that the pin and thus the back cheek body along the expansion direction on the backrest frame from the rest position into the operating position are displaceable, wherein the two positions are each associated with a stop of at least one elongated hole.
• two such, parallel to each other formed on the back frame slots are provided. From the back cheek body protrude then accordingly two pins, which are in sliding engagement with one slot each.
• a module carrier for carrying an airbag package which comprises at least the airbag and possibly a gas generator for inflating the airbag, wherein the module carrier is preferably flat and an edge region extending along the backrest cheek with a concave extending along the backrest cheek Has buckle, which forms a receptacle for the airbag package.
• the module carrier is formed as a rigid housing surrounding the airbag package, which is adapted to be displaced from a first position to an extended second position along a direction of movement directed from the outside of the backrest cheek to the inside of the support structure when the pre-crash Detection detects an impending force on the outside of the support structure.
• the housing has at least one revealable area, through which the gas bag (with the disclosed open area) can be deployed into an interior of the motor vehicle, wherein the apparent area preferably lies between the inner side of the module carrier during the displacement of the module carrier from the first position to the second position Supporting structure and the outside of the backrest cheek is positioned so that the gas bag along the extension direction between the inside of the support structure and the outside of the backrest cheek can unfold (unhindered).
• a cooperating with the pre-crash detection device movement generating device is provided, which is arranged and intended to move the module carrier from the first position to the second position, when the pre-crash detection device an impending force captured on the outside of the support structure.
• the movement generating device can move the module carrier by means of an electric motor, pneumatically or pyrotechnically.
• the back cheek body comprises an energy-absorbing pad or is designed as such.
• this cushion is preferably arranged transversely to the direction of expansion between the inside of the support structure and the pelvis of a vehicle occupant occupying the motor vehicle seat as intended.
• a variant of the invention provides that the pad is mounted at least over a along a direction of extension longitudinally extended first arm from the rest position to the operating position pivotally mounted on the vehicle seat.
• the first arm is preferably rigidly fixed or movably, in particular rotatably, to this on the outside of the pad facing the support structure via a connecting region.
• the connecting region is connected via a central portion of the first arm to a bearing region of the first arm, via which the first arm is pivotably mounted on a seat part of the motor vehicle seat connected to the backrest about an axis of rotation which, relative to a state of the vehicle installed in the vehicle Motor vehicle seat - is preferably aligned parallel to the vehicle transverse axis.
• From the connecting portion is along the direction of extension of the first arm from a free first end portion of the first arm, which is connected via a flexible, longitudinally extended backrest support, which forms a framework for the backrest cheek together with the pad, with the backrest (back frame)
• Backrest support is displaced transversely to its longitudinal extent along the extension direction when the pad is moved from the rest position to the operating position, that is, the pad takes with its movement the back cheek support.
• first arm For pivoting the first arm about its axis of rotation such that the back body is moved from the rest position to the operating position, stands from the storage area along the extension direction from a free, second end portion of the first arm, which has a toothing, for the above purpose with a drive wheel which is driven by means of a cooperating with the pre-crash detection device movement generating device, which is adapted and provided, upon detecting an impending force on the outside of the support structure to drive the drive wheel for moving the pad from the rest position to the operating position ,
• an elongate coupling element on the second end section of the first arm can engage in that a linear movement of a Motion generating device transmits to the first arm to pivot it.
• a second arm is preferably provided which is mounted on the pad via a first free end and on the backrest via a second free end opposite the first end.
• the pad serves as a carrier of the gas generator, with which the gas required for inflating the airbag can be generated.
• the pad preferably encloses the gas generator and thus protects on the one hand the gas generator from damage and on the other hand the occupant to be protected in front of the gas generator.
• the airbag package is attached to the backrest support, which in this case assumes the function of the module carrier.
• the gas bag protrudes in the inflated state along the extension direction on the backrest cheek, wherein the gas bag bulges out in the inflated state in front of a front edge of the backrest cheek to the vehicle center, which contributes to improving the occupant restraint, especially in side collisions with comparatively large frontal component.
• the gas bag has a first chamber and a second chamber surrounding the first chamber, wherein the first chamber has at least one flow opening through which gas introduced into the first chamber can flow into the second chamber, and wherein the gas bag is adapted to be filled via the first chamber with gas.
• the motor vehicle seat is displaceable parallel to the vehicle transverse axis to the interior or rotatable about a vehicle axis extending parallel to the vehicle longitudinal axis. The triggering of a corresponding movement generating device takes place via the pre-crash detection device.
• the motor vehicle seat displacement or rotation creates an additional absorption path between an occupant occupying the motor vehicle seat and the support structure and, via a correspondingly adapted airbag, enables effective occupant protection.
• the motor vehicle seat can also be passive, ie, the displacement of the seat is effected by the force exerted by the gas bag on the seat counterforce.
• Such an additional absorption path or the maintenance of a deployment space for the gas bag between the support structure and the motor vehicle seat is preferably ensured in an alternative embodiment of the invention by a vehicle seat deformable along the vehicle transverse axis, ie, the motor vehicle seat, in particular the backrest or its backrest cheek adapted to deform controlled along the vehicle transverse axis when the inflating gas bag is supported on the support structure and initiates a corresponding, directed towards the interior of the motor vehicle counterforce in the motor vehicle seat.
• a cooperating with the gas generator crash sensor which activates the gas generator for inflating the airbag upon detecting a taking place on the outside of the support structure force.
• the crash sensor is preferably a detection device which detects an actually occurring force. Possibly. the crash sensor may be the said pre-crash detection device.
• the activation of the gas generator by the crash sensor preferably takes place after the delivery (expansion) of the backrest cheek or the extension of a housing of the airbag which can be extended along the vehicle transverse axis.
• the support structure is a part or region of a lateral motor vehicle body, in particular a motor vehicle door or a motor vehicle pillar (eg B pillar).
• the motor vehicle seat is preferably a driver's seat or a passenger seat.
• 1A-C a schematic plan view of an occupant restraint device, with an exhibiting backrest cheek and an airbag arranged in the backrest cheek, namely at three different times after activation of the backrest cheek;
• 2A-C a schematic plan view of an occupant restraint device, with an exhibiting backrest cheek and an airbag arranged in the backrest cheek, at three different times after a
• 3A-C a schematic plan view of an occupant restraint device, with an exhibitable backrest cheek and an airbag arranged in the backrest cheek, at three different times after activation of the backrest cheek, wherein the airbag has two chambers to a particularly rapid positioning of the airbag cause.
• 4A-C a schematic plan view of an occupant restraint device, with an adjustable backrest cheek and a gas bag arranged in the backrest cheek, at three different times after activation of the backrest cheek, wherein the motor vehicle seat is additionally movable away from the support structure by means of a movement generating device;
• 5A-C a schematic plan view of an occupant restraint device, with an exhibiting backrest cheek and arranged in the back cheek gas bag, at three different times after activation of the backrest cheek, the gas bag bulges in front of the occupant to its protective effect in accidents with large
• 6A-C a schematic plan view of an occupant restraint device, with an adjustable backrest cheek and a gas bag arranged in the backrest cheek, at three different times after one
• FIG. 7A-7B a schematic plan view of an occupant restraint device, with an exhibiting backrest cheek and a back cheek body, the
• Lehenwange which is pivotally mounted on a back frame to the backrest cheek from a rest position (Fig. 7A) in an operating position
• FIG. 8A-8B a schematic side view of an occupant restraint device, with an adjustable backrest cheek and a back cheek body, the lehen cheek, which is linearly displaceably mounted on a back frame to the backrest cheek from a rest position (FIG. 8A) in a
• 9A-9B a schematic side view of an occupant restraint device, with an exhibiting backrest cheek and a cushion formed
• Back frame is mounted to the backrest cheek from a rest position
• FIG. 10A-10B is a schematic side view showing a modification of an occupant restraining device of the type described in Figs. 9A and 9B.
• FIG. 7A shows, in connection with FIG. 7B, an occupant restraint device 1 with a motor vehicle seat 2 in the form of a driver's seat, which has a backrest 3 which, relative to a state installed in a motor vehicle, is parallel to the vehicle seat
• Vehicle transverse axis y extending vehicle axis pivotally (incline variable) on a seat forming a seat part 60 (not shown) is mounted, which extends along an extension plane which is spanned by the vehicle longitudinal axis x and the vehicle transverse axis y.
• the occupant restraint device 1 serves to protect an occupant P occupying the motor vehicle seat 2 from a force exerted from the exterior space A on the outside 5a of the support structure 5 along a direction which has at least one component along the vehicle transverse axis y.
• Such force effects usually occur in a side impact, in which a collision object (eg a motor vehicle) collides with a lateral body, in the present case the outside 5a of the support structure 5 of the motor vehicle.
• the backrest 3 of the motor vehicle seat 2 forms a contact surface for a vehicle seat 2 occupying the occupant P as intended, wherein the contact surface extends in an upright position of the backrest 3 along an extension plane which is oriented parallel to the vertical vehicle axis z vehicle axis and a parallel to the vehicle transverse axis y extended vehicle axle is clamped.
• the backrest 3 protrude on both sides of along the backrest 3 extending edge regions of the backrest 3 back cheeks 4, which in upright position of the
• Backrest 3 extends longitudinally along the vertical axis z of the vehicle.
• one of the two backrest cheeks 4 is arranged adjacent to a support structure 5, which in the present case is a (lateral) door structure which may also comprise the B pillar or part of the B pillar ,
• the said backrest cheek 4 has an outer side 4a which faces an inner side 5b of the support structure 5 facing the inner space I of the motor vehicle and which lies opposite the transverse vehicle transverse axis y, relative to a state of the support structure 5 integrated in a motor vehicle.
• the backrest cheek 4 For pre-positioning a gas bag 6 to be inflated between the outer side 4a of the backrest cheek 4 and the inner side 5b of the support structure 5, the backrest cheek 4 has a back cheek body K, which is movably mounted on a back frame L which forms a back frame of the backrest 3 Back cheek body K from a rest position along an extension direction R, which points in the straight-ahead direction, is displaced into an operating position. As a result, an expansion of the backrest cheek 4 in the extension direction R is caused.
• the displaceable back cheek body K comprises a module carrier T for an airbag package M, which is enclosed by the airbag 6 and one enclosed by the airbag 6 Gas generator G is formed.
• the module carrier T is formed flat (eg from a metal sheet) and extends in the upright position of the backrest 3 along the vertical axis of the vehicle z.
• the module carrier T has a - viewed from the support structure 5 - convex curved edge region T ', the curvature forms a receptacle for the airbag package M, which surrounds the airbag package M in cross section at least in sections.
• the module carrier T as well as the airbag package M mounted thereon and the levers H, H 'for coupling the module carrier T to the backrest frame L are surrounded by an envelope (eg a foam) which together with the enveloped components forms the deliverable backrest cheek 4 of the motor vehicle seat 2 ,
• an envelope eg a foam
• a pre-crash detection device 7 For detecting an impending side crash, ie, a force on the outside 5a of the support structure 5, which contains a component along the vehicle transverse axis y, a pre-crash detection device 7 is provided which upon detection of such a force triggers a motion generating device B, which Back cheek body K is pivoted into its operating position, so that the backrest cheek 4 is extended along the extension direction and the outside 4 a of the backrest cheek 4 facing away from inside 4 b of the backrest cheek 4 forms a contact surface for the occupant P (see Figure 2A).
• a crash sensor 7 ignites the gas generator 6 upon sensing a crash (ie, a concrete force acting on the outside 5a of the support structure 5) according to FIG. 2B in order to inflate the airbag 6. Possibly.
• the crash sensor 7 may also be a pre-crash detection device.
• the gas bag 6 is supported during inflation on the inner side 5b of the support structure 5, so that a counter force F acts on the Lehnewange 4, which is introduced via the surface on the occupant P fitting inside 4b of the backrest cheek 4 in the occupant P.
• FIGS. 2A to 2C show the sequence shown in FIGS. 1A to 1C, wherein, in contrast to FIGS. 1A to 1C, the gas bag 6 is already provided by an early ignition of the gas generator G by the crash sensor 7 in the form of a pre-crash detection device the beginning of an intrusion of the support structure 5 - acts on the occupant P on the backrest cheek 4 - for example, by a collision object impinging on the outside 5a of the support structure from the outside space A.
• the space between the support structure 5 e.g., door structure
• the occupant P for occupant protection can be actively increased.
• a gas bag 6 with two chambers 6a, 6b used.
• an inner first chamber 6a which is arranged within an outer second chamber 6b, filled with gas, wherein the two chambers 6a, 6b are interconnected by means of at least one flow opening. Due to the comparatively small volume of the first chamber 6a, it can be inflated very quickly and hard, so that via the first chamber 6a a very fast, mechanical coupling of the motor vehicle seat 2 to the support structure 5 is possible.
• the speed at which this coupling takes place can advantageously be set via the volume and the overflow cross-section (size of the flow-through opening) between the first and surrounding second chambers 6a, 6b.
• the motor vehicle seat 2 is additionally displaceably mounted on the motor vehicle floor along the vehicle transverse axis y and can be moved away from the support structure 5 by means of a movement generating device B '" Activation of the movement-generating device B '"takes place via the pre-crash detection device 7 cooperating with the movement-generating device B'", which activates the motion-generating device B '"when a side-impact crash is detected.
• the gas bag 6 is additionally designed according to Figures 5A to 5C to push at least partially along the vehicle transverse axis y in front of the occupant P in the inflated state.
• FIGS. 6A to 6C show the activation of the occupant restraint device 1 shown in FIGS. 1A to 1C, wherein, unlike FIGS. 1A to 1C, the module carrier T "does not include the airbag 6 and the gas generator G (in FIGS.
• An abutment side of the housing T ", which is brought when moving from the first position to the second position to the inner side 5b of the support structure 5, is preferably designed to be particularly stable, so that a good mechanical coupling to the support structure 5 is possible Rest position is that investment side preferably flush in the support structure 5 facing the outside 4a of the backrest panel 4 embedded.
• Airbag 6 - in the open state of the disclosed area 20 - can unfold into the interior I of the motor vehicle, along the vehicle transverse axis y between the Carrier structure 5 and the motor vehicle seat 2 positioned so that the gas bag 6 through the (open) revealable area 20 through freely (unhindered) can develop along the vehicle longitudinal axis x to protect the occupant P from an intruding collision object.
• a motion generating device B is coupled to the pre-crash detection device 7, which moves the housing T "into its second position upon detection of an impending side crash.
• FIG. 8A shows, in connection with FIG. 8B, a modification of the occupant restraint device 1 shown in FIGS. 7A and 7B, wherein in contrast to FIGS. 7A and 7B the back cheek body K comprising the airbag package M is not pivotally mounted on the backrest frame L, but linearly displaceable.
• a first lever H which is pivotally mounted on one of its two ends E on the backrest body K and on the other end on the back frame L of the vehicle seat, wherein the bearing point of the lever H is arranged on the back frame L along the vertical vehicle axis z below the leaning cheek body side bearing point.
• a further, second lever H ' is provided, which also connects the back cheek body K with the back frame L.
• the second lever H ' is pivotally mounted with its one end E along the vertical vehicle axis z at a lower portion of the back cheek body K and with its other end E' on the back frame L, above the other end E 'of the first lever H.
• a central portion 10 of the first lever H crosses a central portion 10 of the second lever H ', wherein these two portions 10 are rotatably connected to each other.
• FIG. 9A shows, in connection with FIG. 9B, a further modification of the occupant restraint devices 1 shown in FIGS. 7A to 8B, in which the back cheek body K is designed as a flat pad 30 with a rounded contour which is used to expand the backrest cheek 4 surrounding the pad 30 (in FIG 9A and 9B) is supported by a first arm 50 extending along an extension direction 40 about a rotational axis D extending parallel to the vehicle transverse axis y on a seat part 60 of the motor vehicle seat 2 which forms a substantially horizontal seating surface.
• the back cheek body K is designed as a flat pad 30 with a rounded contour which is used to expand the backrest cheek 4 surrounding the pad 30 (in FIG 9A and 9B) is supported by a first arm 50 extending along an extension direction 40 about a rotational axis D extending parallel to the vehicle transverse axis y on a seat part 60 of the motor vehicle seat 2 which forms a substantially horizontal seating surface.
• the pad 30 is displaced during pivoting of the first arm 50 in the straight-ahead direction along the vehicle longitudinal axis x (extension direction R), so that the backrest cheek 4 extends along the vehicle longitudinal axis x.
• the pad 30 is preferably made of an energy-absorbing material, in particular of a foam and is arranged in the operating position along the vertical vehicle axis z at the level of the pelvis occupying a motor vehicle seat 2 occupant P to protect it from penetrating objects.
• the first arm 50 is centrally and rigidly connected via a connecting region 51 to an outer side 35 of the pad facing the inner side 5b of the support structure 5.
• the connection can also be designed to be rotatable, so that the pad 30 can maintain its angular position in space during pivoting.
• the connecting region 51 is connected via a middle section 52 of the first arm 50 to a bearing region 53 of the first arm 50, via which the first arm is pivotally mounted about the axis of rotation D on the side of the seat part 60, namely on a side of the seat part facing the support structure 5 is.
• a flexible, longitudinally extended backrest support 70 which is connected via a first free end portion 54 of the arm 50 with the arm 50 and the connecting portion 51.
• the backrest support 70 together with the pad 30 forms a framework for the backrest cheek 4 and with the backrest frame L approximately at the height of the thorax of the motor vehicle seat intended occupant P is connected.
• the Lehenwangen 100 therefore advantageously serves as a carrier of the possibly flexible airbag package M.
• first arm 50 For pivoting the first arm 50 about the axis of rotation D of the bearing portion 53 is preferably integrally connected to a formed as a toothed second free end portion 55 of the first arm 50 which meshes for pivoting the first arm with a drive wheel 80, which by means of a with the pre Crash detection device 7 is cooperated motion generating device B 'is formed, which is adapted to drive upon detection of an impending side crash, the drive wheel 80 for moving the pad 30.
• a second arm 65 is preferably provided which extends beyond a first free end 66 at an edge region of the pad 30 and over a second free end 67 opposite the first end 66 at the backrest 3, namely on the back frame 8, is mounted.
• the storage of the second arm 65 is in each case rotatable about an axis parallel to the vehicle transverse axis y extending axis.
• FIG. 10A shows in connection with FIG. 10B a further occupant restraint device 1 of the type shown in FIGS. 9A to 9B, wherein, in contrast to FIGS. 9A and 9B, no additional second arm 65 is present.
• the movement generating device B 'and the pre-crash detection device 7 are implemented analogously to FIGS. 9A and 9B, but not shown in FIGS. 10A and 10B.
• the motion generating devices B, B ', B “and B'” used herein can operate both reversibly and irreversibly (e.g., pyrotechnically). Basically come as a movement generating devices springs, gas generators, electric motors and pneumatics in question.
• the solution according to the invention provides, inter alia, the following advantages: Provision of increased protection potential by two-dimensional introduction of higher forces without force peaks in the backrest cheek or the occupants to be protected. Comparatively earlier introduction of these forces. Possibly. greater absorption paths for the gas bag 6 and higher deployment safety by Pre-positioning of the airbag 6. Better coupling of the occupant P to the vehicle seat 2. Ggf. Reversibility of the pre-positioning of backrest cheek 4 and airbag 6.
• the occupant restraint device 1 according to the invention can be used in all motor vehicles which are equipped with a pre-crash detection device (eg radar).

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Aviation & Aerospace Engineering (AREA)
• Transportation (AREA)
• Air Bags (AREA)
• Seats For Vehicles (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

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ID=37891887

Family Applications (2)

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Cited By (4)

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Citations (5)

Family Cites Families (28)

• 2005
  • 2005-12-23 DE DE102005062849A patent/DE102005062849A1/de not_active Withdrawn
• 2006
  • 2006-12-22 DE DE502006003690T patent/DE502006003690D1/de active Active
  • 2006-12-22 JP JP2008546295A patent/JP5030968B2/ja not_active Expired - Fee Related
  • 2006-12-22 EP EP06829907A patent/EP1963145B1/de not_active Expired - Fee Related
  • 2006-12-22 JP JP2008546296A patent/JP5030969B2/ja not_active Expired - Fee Related
  • 2006-12-22 CN CN2006800487232A patent/CN101346255B/zh not_active Expired - Fee Related
  • 2006-12-22 WO PCT/EP2006/012645 patent/WO2007077035A1/de not_active Ceased
  • 2006-12-22 DE DE502006003503T patent/DE502006003503D1/de active Active
  • 2006-12-22 WO PCT/EP2006/012647 patent/WO2007073944A1/de not_active Ceased
  • 2006-12-22 CN CN2006800487726A patent/CN101346262B/zh not_active Expired - Fee Related
  • 2006-12-22 EP EP06829906A patent/EP1963133B1/de not_active Expired - Fee Related
• 2008
  • 2008-06-19 US US12/213,479 patent/US7775552B2/en not_active Expired - Fee Related
  • 2008-06-19 US US12/213,480 patent/US7946614B2/en not_active Expired - Fee Related

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