WO2005118330A2 - Ensemble ceinture de securite - Google Patents

Ensemble ceinture de securite Download PDF

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Publication number
WO2005118330A2
WO2005118330A2 PCT/EP2005/005755 EP2005005755W WO2005118330A2 WO 2005118330 A2 WO2005118330 A2 WO 2005118330A2 EP 2005005755 W EP2005005755 W EP 2005005755W WO 2005118330 A2 WO2005118330 A2 WO 2005118330A2
Authority
WO
WIPO (PCT)
Prior art keywords
seat belt
seat
point
belt
buckle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2005/005755
Other languages
English (en)
Other versions
WO2005118330A3 (fr
Inventor
Ola Bostrom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoliv Development AB
Original Assignee
Autoliv Development AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Autoliv Development AB filed Critical Autoliv Development AB
Publication of WO2005118330A2 publication Critical patent/WO2005118330A2/fr
Publication of WO2005118330A3 publication Critical patent/WO2005118330A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B60R21/23—Inflatable members
    • B60R21/239—Inflatable members characterised by their venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • 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
    • 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
    • B60R2021/0018—Roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
    • B60R2022/027—Four-point seat belt systems, e.g. with the two upper points connected together
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
    • B60R22/023—Three-point seat belt systems comprising two side lower and one side upper anchoring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/46—Reels with means to tension the belt in an emergency by forced winding up

Definitions

  • THE PRESENT INVENTION relates to a seat belt arrangement, and more particularly relates to a seat belt arrangement to provide protection for an occupant of a seat in a vehicle in the event that an accident should occur.
  • a typical seat belt which provides a good restraining characteristic in connection with frontal impacts, is the so-called three-point seat belt.
  • a typical three-point seat belt has a retractor which may be mounted on the vehicle or which may be mounted on the seat.
  • a seat belt is wound on a spring-biased spool within the retractor.
  • the seat belt passes from the retractor to a guide, which is located above the shoulder of the seat occupant which is the shoulder closest to the side of the vehicle.
  • the guide may be mounted on a pillar of the vehicle or may be integrally formed in the seat, depending upon the position of the retractor.
  • the seat belt initially extends from the guide to an anchorage which is provided substantially at floor level, still on the same side of the seat.
  • a tongue is slideably mounted on the belt and the tongue can be engaged with a buckle, the buckle being provided on the other side of the seat.
  • the three-point belt forms a lap strap extending from the anchored end of the belt to the buckle and diagonal portion which extends from the buckle to the guide mounted adjacent the shoulder of the vehicle occupant.
  • the present invention seeks to provide an improved safety belt arrangement.
  • a seat belt arrangement in combination with a vehicle seat which has a squab and a backrest, the seat belt arrangement incorporating a three-point seat belt and a two-point seat belt, the three-point seat belt having a retractor on which seat belt is wound, the belt from the retractor passing through a shoulder guide located to one side of the centreline of the backrest of the seat, the belt being anchored on that side of the seat and having a tongue thereon for engagement with a buckle on the other side of the seat, the two-point seat belt extending through a shoulder guide provided on the said other side of the seat and extending to an anchorage on the said other side of the seat, the shoulder guide for the two-point seat belt being located closer to the centre- line of the seat than the shoulder guide for the three-point seat belt.
  • the shoulder guide for the two-point seat belt is spaced from the centreline of the seat by a distance of between 5 cm and 10 cm.
  • retractor and shoulder guide for the three-point seat belt are mounted on a vehicle in which the seat is provided. In another embodiment the retractor and the shoulder guide for the three- point seat belt are mounted on the seat.
  • the end of the two-point seat belt on the said other side of the seat is fixed permanently to an anchorage.
  • the end of the two-point seat belt is provided with a tongue to engage a buckle provided on the said other side of the seat.
  • a single buckle is provided to receive the tongue of the three- point seat belt and the tongue of the two-point seat belt.
  • the buckle is provided with a single release button actuable to release both tongues.
  • the buckle presents two slots, each slot being configured to receive only a respective tongue of the three-point or two-point seat belt, the buckle being such that the tongue for the three-point seat belt must be inserted into and retained by the buckle before the tongue for the two-point seat belt can be inserted into and retained by the buckle.
  • the two-point seat belt is associated with a force limiter having a minimum force limiting level of 1kN and a maximum force limiting effect of 3kN.
  • at least one of the seat belts is provided with a pretensioning arrangement.
  • a supplementary side restraint provided on the said other side of the seat.
  • the supplementary restraint is in the form of an inflatable air-bag initially stored within the backrest of the seat.
  • FIGURE 1 is a diagrammatic perspective view of a vehicle seat illustrating one form of seat belt arrangement in accordance with the present invention
  • FIGURE 2 is a view corresponding to Figure 1 illustrating a modified embodiment of the invention
  • FIGURE 3 is a view corresponding to Figure 2 illustrating a further modified embodiment of the invention.
  • FIGURE 4 is an enlarged view of a buckle used in the embodiment of Figure 3.
  • a vehicle seat 1 is illustrated, the vehicle seat having a squab 2 and a backrest 3.
  • the backrest 3 carries a headrest 4.
  • the seat is provided with an integral three-point seat belt 5.
  • the three-point safety belt 5 incorporates a retractor 6 which is located towards the top of the backrest of the seat, within the interior of the backrest.
  • the retractor 6 incorporates a spool. Wound on the spool of the retractor 6 is a webbing belt 7.
  • the belt 7 emerges from the retractor and passes through a shoulder guide 8 which is provided at the top of the backrest, a substantial distance, measured horizontally, from the centreline C of the backrest. The distance from the centreline C to the guide is typically in excess of 12 cm.
  • the belt 7 extends from the guide 8 to an anchorage 9 provided at the side of the seat below the guide 8. The anchorage 9 may secure the end of the belt 7 to the seat or to the floor of a vehicle in which the seat is mounted.
  • a tongue 10 is slidably mounted on the belt 7, the tongue 10 being configured to co-operate with a buckle 11 which is provided at the other side of the seat.
  • the buckle 11 may be secured to the seat or to the floor.
  • the seat belt 5 In an initial condition of the seat belt 5, a substantial length of the belt 7 is wound onto the spool of the retractor 6, and the belt 7 extends directly from the guide 8 to the anchorage 9, with the tongue 10 being slideable on the belt.
  • the tongue 10 When the belt is to be used the tongue 10 is grasped and is pulled across the lap of the seat occupant and is engaged in the buckle 11.
  • the seat belt 5 then forms a conventional three-point seat belt 5, with a lap strap and a diagonal portion. The upper end of the diagonal portion is held in position on the shoulder of the seat occupant by the shoulder guide 8.
  • the vehicle seat 1 is provided with an additional two-point seat belt 12.
  • the two-point seat belt 12 incorporates a retractor 13 which is embedded within the upper part of the backrest 3 of the seat 1.
  • a webbing belt 14 is wound on the spool of the retractor 13, and the belt 14, after emerging from the retractor 13, passes through a shoulder guide 15 provided at the upper part of the backrest of the seat.
  • the guide 15 is closer to the centreline C than the guide 8 of the 3-point seat belt 5, but on the opposite side of the centreline.
  • the distance between the guide 15 and the centreline C, measured horizontally, is between 5 and 10 cm.
  • the guide 15 is thus located very much towards the centre of the seat, immediately adjacent the headrest 4.
  • the belt 14 extends from the guide 15 to an anchorage 16 provided at the side of the seat in the region of a buckle 11.
  • the anchorage 16 may be on the seat or on the floor.
  • the end of the seat belt 14 is permanently fixed to the anchorage 16.
  • a seat occupant may choose to use the two-point seat belt 12 in addition to the previously described three-point seat belt 5. If the two-point seat belt 12 is to be utilised the seat occupant will, initially, pull a length of the belt 14 from the retractor 13 through the guide 15, and slide one arm between the seat 14 and the backrest 3 of the seat 1, thus applying the belt 14 in a manner similar to that in which a strap of a rucksack is applied to a shoulder.
  • the shoulder guide 15 holds the upper end of the belt 14 in position on the shoulder of the seat occupant.
  • the retractor 13 may be much smaller than the retractor 6.
  • the end of the two-point seat belt 12 remote from the retractor is permanently secured to the anchorage 16, and so it is not necessary for the seat occupant to use a buckle for the two-point seat belt 12.
  • the two-point belt 12 is thus not an inconvenience for the seat occupant, even when the belt is not in use.
  • the seat 1 prefferably has an additional "in-board" side restraint in the form of an inflatable air-bag 17 which is stored within the side part of the backrest of the seat.
  • the air-bag 17 is provided on the same side of the set as the two-point seat-belt 12.
  • a side impact such as a "far side” impact
  • the air-bag 17 will inflate and extend forwardly from the side of the backrest, thus being located adjacent the side of the upper torso of the seat occupant, to help prevent the torso moving laterally relative to the seat back.
  • the presence of the air- bag 17, in conjunction with the two-point seat belt 12, will help minimise any risk that the seat occupant will become disengaged from the seat belt arrangement.
  • the two-point seat belt 12 and the air- bag 17 will each tend to impart an acceleration to the upper torso of the seat occupant which is closely related to the acceleration imparted to the actual seat as a consequence of the side impact.
  • the seat occupant wearing both the two-point seat belt 12 and the three-point seat belt 7 will have a much lower probability of receiving injuries than a corresponding seat occupant wearing only the three- point seat belt 7.
  • the three-point seat belt 7 may, as is conventional, be provided with an energy absorber or force limiter.
  • the energy absorber or force limiter may be incorporated within the anchorage 9 or within the retractor 6, or within the buckle 11.
  • the anchorage 9 and/or the retractor 6 and/or the buckle 11 may, if desired, be provided with a pretensioner.
  • the two-point seat belt 12 may be provided with a force limiter.
  • the force limiter may be incorporated within the retractor 13 or within the anchorage 16. It is envisaged, however, that the force limiter of the secondary seat belt will have a lower force limiting level than the force limiting level found in a conventional three-point seat belt, and the force limiting level may have a minimum value of 1kN and a maximum value 3kN.
  • the two-point seat belt 12 may be provided with a pretensioner and the pretensioner may be incorporated within the retractor 13 or within the anchorage 16.
  • Figure 2 illustrates a modified embodiment of the invention in which like parts are identified by like references.
  • the three-point seat belt 5 instead of being integrated into the seat, is a three-point seat belt of the type in which the retractor 6 is floor mounted adjacent the side of the seat 1, and the shoulder guide 8 is a pillar loop guide which is mounted on a pillar of the vehicle such as, for a front seat occupant, the "B" pillar.
  • the present invention relates specifically to the additional two-point seat belt 12, and the two-point seat belt 12 can be used with either of the prior proposed general types of three-point seat belts.
  • the two-point seat belt 12 does extend at an appropriate angle across the upper torso of the seat occupant, when the two-point belt is in use, to provide a desired restraining effect.
  • FIGS 3 and 4 illustrate a further embodiment of the invention.
  • a conventional three-point seat belt 7 is provided.
  • the illustrated conventional three-point seat belt is three-point seat belt in which the retractor 6 is floor mounted and the guide 8 is a pillar loop guide mounted on a post of the vehicle, but it is to be understood that the three-point seat belt could equally be a three-point seat belt integrated into the seat as shown in Figure 1.
  • the two-point seat belt does not have one end connected to an anchorage 16, but instead is provided, at its end, with a tongue 18.
  • the retractor 13 would be somewhat larger than the retractor of the embodiment described above with reference to Figures 1 and 2 and, when the seat belt is not in use, the seat belt may be fully retracted so that the seat belt is not uncomfortable to a person who has chosen to use only the three-point seat belt 5.
  • a modified buckle 11 A is provided, the buckle 11 A being illustrated more clearly in Figure 4.
  • the buckle 11 A includes a housing 19, the housing 19 defining two entry slots 20,21 to receive, respectively, the tongue 10 provided on the three-point seat belt 5 and the tongue 17 provided on the two-point seat belt 12.
  • the buckle 11A and the tongues 10,17 of the two seat belts are so configured that the tongue 10 can only be inserted into and retained by the buckle if the tongue 10 is inserted into the slot 20 and so that the tongue 17 can only be inserted into and retained by the buckle if it is inserted into the slot 21.
  • the tongues and the corresponding slots may be provided with corresponding key ways or may have different dimensions of widths and thickness to enable this effect to be achieved. It is preferred, also, for the buckle to be such that the tongue 17 may only be inserted into the slot 21 in one particular orientation, in order to minimise the risk of an undesirable "twist" appearing within the two- point seat belt 12.
  • the buckle also has a mechanical interconnection between the internal retaining mechanism which retains the tongue 10 on the three-point seat belt 5 and the retaining mechanism which retains the tongue 17 on a two-point seat belt 12 which ensures that the two-point seat belt 12 cannot be retained unless the three-point seat belt 5 has already been buckled up.
  • the tongue 10 it is essential in use of the buckle, for the tongue 10 to be inserted into the slot 20 and retained by the buckle 11A before the tongue 17 is inserted into the slot 21 to be retained by the buckle 11 A.
  • the buckle 18 is provided with a single push button 22 which may be pushed to release both of the tongues once the tongues have been inserted into the buckle, or only one tongue should the seat occupant choose to use only the three-point safety belt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Air Bags (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention se rapporte à un ensemble ceinture de sécurité, qui comprend une ceinture trois points (5), dont une partie passe à travers un guide d'épaule (8) situé sur un côté de l'axe longitudinal du siège. L'ensemble ceinture de sécurité selon l'invention comporte en outre une ceinture deux points (12), qui passe à travers un guide d'épaule situé de l'autre côté de l'axe longitudinal du siège. Le guide d'épaule (15) de la ceinture deux points (12) est beaucoup plus proche de l'axe longitudinal C du siège que le guide d'épaule (8) de la ceinture trois points (7).
PCT/EP2005/005755 2004-05-27 2005-05-27 Ensemble ceinture de securite Ceased WO2005118330A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0411914.5 2004-05-27
GB0411914A GB2414443A (en) 2004-05-27 2004-05-27 Three point seat belt and additional two point seat belt arrangement

Publications (2)

Publication Number Publication Date
WO2005118330A2 true WO2005118330A2 (fr) 2005-12-15
WO2005118330A3 WO2005118330A3 (fr) 2006-04-13

Family

ID=32671196

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/005755 Ceased WO2005118330A2 (fr) 2004-05-27 2005-05-27 Ensemble ceinture de securite

Country Status (2)

Country Link
GB (2) GB2414443A (fr)
WO (1) WO2005118330A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009005299A1 (de) 2009-01-16 2010-07-29 Autoliv Development Ab Insassenrückhaltesystem
DE102010045416A1 (de) * 2010-09-15 2012-03-15 Autoliv Development Ab Sicherheitsgurtanordnung
US10703329B2 (en) 2017-02-21 2020-07-07 Ford Global Technologies, Llc Seatbelt assembly including a two-point seatbelt
US10919485B2 (en) 2018-12-06 2021-02-16 Volvo Car Corporation Vehicle seat belt assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058790A1 (de) * 2005-12-09 2007-06-14 Autoliv Development Ab Personenrückhaltesystem

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DE2615819A1 (de) * 1976-04-10 1977-10-20 Autoflug Gmbh Gurtzeug fuer rennwagenfahrer
GB2134381A (en) * 1983-02-05 1984-08-15 Alice Dorothy Finnigan Improvements in vehicle seats
DE9001272U1 (de) * 1990-02-05 1990-04-12 Prioglio, Luigia Tosi, Dr., Udine Sicherheitsgurt für Personentransportmittel
US5123673A (en) * 1991-02-28 1992-06-23 Hoover Universal, Inc. Seat belt system for a vehicle seat
DE9201946U1 (de) * 1992-02-12 1992-06-11 Zmuda, Artur von, 1000 Berlin Der zusätzliche kleine Sicherheitsgurt für Autofahrer
FR2791312B1 (fr) * 1999-03-23 2001-05-25 Sylea Dispositif de verification de la fermeture d'une ceinture de securite d'un vehicule automobile et de commande de differentes fonctions
US6375270B1 (en) * 2000-01-13 2002-04-23 Ford Global Technologies, Inc. Seat belt restraint system
SE522470C2 (sv) * 2001-11-15 2004-02-10 Saab Automobile Låsarrangemang för säkerhetsbälte
US6986529B2 (en) * 2002-04-23 2006-01-17 Trw Vehicle Safety Systems Inc. Air bag module with vent
JP2004009967A (ja) * 2002-06-10 2004-01-15 Honda Motor Co Ltd 車両用シートベルト装置
GB2395465A (en) * 2002-11-20 2004-05-26 Autoliv Dev Three point seat belt with additional diagonal belt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009005299A1 (de) 2009-01-16 2010-07-29 Autoliv Development Ab Insassenrückhaltesystem
DE102009005299B4 (de) * 2009-01-16 2012-03-22 Autoliv Development Ab Insassenrückhaltesystem
DE102010045416A1 (de) * 2010-09-15 2012-03-15 Autoliv Development Ab Sicherheitsgurtanordnung
DE102010045416B4 (de) * 2010-09-15 2020-11-12 Autoliv Development Ab Sicherheitsgurtanordnung
US10703329B2 (en) 2017-02-21 2020-07-07 Ford Global Technologies, Llc Seatbelt assembly including a two-point seatbelt
US10919485B2 (en) 2018-12-06 2021-02-16 Volvo Car Corporation Vehicle seat belt assembly

Also Published As

Publication number Publication date
GB2414443A (en) 2005-11-30
GB0412830D0 (en) 2004-07-14
GB0411914D0 (en) 2004-06-30
GB2414445B (en) 2007-09-26
WO2005118330A3 (fr) 2006-04-13
GB2414445A (en) 2005-11-30

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