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WO1996037383A1 - Dispositif de fixation d'airbag - Google Patents

Dispositif de fixation d'airbag Download PDF

Info

Publication number
WO1996037383A1
WO1996037383A1 PCT/EP1996/002154 EP9602154W WO9637383A1 WO 1996037383 A1 WO1996037383 A1 WO 1996037383A1 EP 9602154 W EP9602154 W EP 9602154W WO 9637383 A1 WO9637383 A1 WO 9637383A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering wheel
wheel rim
braid
airbag
securing
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/EP1996/002154
Other languages
German (de)
English (en)
Inventor
Joachim Evers
Udo Lange
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE29508472U external-priority patent/DE29508472U1/de
Priority claimed from DE29513141U external-priority patent/DE29513141U1/de
Application filed by Individual filed Critical Individual
Publication of WO1996037383A1 publication Critical patent/WO1996037383A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • 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
    • B60R2021/162—Means for diverting, destroying or blocking the bag in case of dangerous deployment, e.g. during rescue operations or use of rear-facing children seats

Definitions

  • the invention relates to a device for securing an airbag in the impact chamber of a motor vehicle steering wheel, with a holding device which can be fixed on the steering wheel rim and holds the impact chamber mechanically.
  • Such a device is known for example from DE-GM 94 06 365.6. It is used in order to prevent the deployment and deployment of the airbag at the wrong time, for example during rescue and rescue work, in the event of a car accident in which the airbag has not deployed for any reason.
  • the known device is designed as a telescopic steering wheel claw and consequently relatively bulky, so that the attachment in the accident vehicle by the rescue personnel makes difficulties. This applies in particular if the steering wheel rim is deformed in some way as a result of the accident. Furthermore, the rigid parts of the steering wheel claw represent a further potential hazard if the airbag should deploy during assembly or disassembly of the device or if the steering wheel claw detaches from the steering wheel rim for any reason.
  • the invention proposes, starting from a device of the type mentioned at the outset, that the holding device is designed as a safety braid which can be tensioned over the impact pot and which surrounds the steering wheel rim and can be contracted and locked behind the steering wheel rim by means of a tensioning device.
  • the safety braid according to the invention is placed over the steering wheel in such a way that it covers both the impact pot and the steering wheel rim. Then it is contracted behind the steering wheel rim by means of the tensioning device and locked in the contracted position, so that the safety braid prevents the airbag from unfolding at the wrong time. For disassembly, only the locking of the tensioning device is released, so that the safety braid can be removed easily and safely from the steering wheel.
  • a first embodiment of the invention provides that the safety braid has star-shaped strands extending from a center piece, which are connected behind the steering wheel rim by a traction means serving as tensioning means, which is guided through eyelets at the ends of the strands.
  • a safety mesh formed in this way can be placed over the steering wheel in the manner of a spider's web and pulled together and locked behind the steering wheel by pulling on the traction means.
  • the securing braid can be designed, for example, as a chain braid and the traction means as a traction rope.
  • the end of the pull rope is expediently provided with a grip loop and a spring clip, which make it possible to pull and lock the pull rope in a simple manner.
  • the securing braid can also be designed as a belt braid and the traction means can be designed as a tension belt.
  • tension belts made of textile material are on the one hand very light and on the other hand very durable and can also be connected to one another inexpensively, for example by sewing.
  • the tension belt is provided at the end with a grip loop and a belt clamp, which make it possible to pull the belt behind the steering wheel rim with a handle and to lock it in the contracted position.
  • Fig.l a device according to the
  • FIG. 2 shows a device according to the invention with a safety braid made of straps.
  • the steering wheel rim is designated by the reference numeral 1.
  • the baffle contained in the center of the steering wheel rim 1 and containing the airbag is driven by a chain formed safety net covered, the chain strands 2 starting from a central chain link run star-shaped to the outside, enclose the steering wheel rim 1 in a spider web-like manner and can be contracted behind the steering wheel rim 1 by means of a steel cable 3.
  • the steel cable 3 runs through eyelets 4 at the ends of the chain strands 2 and is provided with a handle loop 5, which makes it possible to pull the chain strands 2 together behind the steering wheel rim 1 with a single handle. So that the device does not open automatically, a rope clamp 6 is provided which holds the rope in infinitely variable positions.
  • the safety braid which is stretched over the baffle of the steering wheel, prevents the steering wheel cover from opening in an uncontrolled manner and thus prevents the airbag from deploying unexpectedly.
  • the steel cable 3 behind the steering wheel rim 2 is only released when the spring clamp 5 is actuated, so that the securing braid can be removed from the steering wheel.
  • the embodiment according to FIG. 2 largely corresponds to the embodiment of FIG. 1.
  • the steering wheel rim is designated here by reference number 11.
  • the impact cup which is arranged centrally in the steering wheel rim 11 and contains the airbag, is covered by a safety braid formed from belts, the belt strands 12 of which extend in a star shape from a central belt plate, surround the steering wheel rim 11 in the manner of a spider web, and behind the steering wheel rim 11 are contractible by means of a tension belt 13.
  • the tension belt 13 runs through eyelets 14 at the ends of the belt strands 12 and is provided with a handle loop 15, which makes it possible to pull the belt strands 12 together behind the steering wheel rim 11 with a single handle.
  • a belt clamp 16 is provided which holds the tension belt in stepless positions.
  • This safety braid which is made of belts and is tensioned over the baffle of the steering wheel, prevents the steering wheel covers from opening in an uncontrolled manner, thus preventing the airbag from being triggered unintentionally. Only when the belt clamp 15 is actuated does the tension belt 13 release the ends of the belt strands, so that the securing braid can be removed from the steering wheel rim 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un dispositif permettant de fixer un airbag dans son boîtier, dans le volant d'un véhicule à moteur, comprenant un dispositif de retenue qui peut être fixé sur la jante (1) du volant et retient mécaniquement le boîtier vers le bas. L'objet de l'invention est d'obtenir un dispositif sans partie rigide dangereuse, pouvant être monté et démonté simplement et de façon sûre, et tel qu'il faut moins d'espace de rangement dans les véhicules de secours. A cet effet, le dispositif de retenue se présente sous la forme d'un treillis de fixation qui peut être tendu sur le boîtier d'airbag, entoure la jante (1) du volant et peut être tendu et fixé derrière la jante (1) du volant au moyen d'un dispositif de tension (3). Ce treillis de fixation peut être constitué, par exemple, de chaînes ou de sangles.
PCT/EP1996/002154 1995-05-22 1996-05-20 Dispositif de fixation d'airbag Ceased WO1996037383A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29508472.3 1995-05-22
DE29508472U DE29508472U1 (de) 1995-05-22 1995-05-22 Sicherungsgeflecht für Fahrer-Airbag
DE29513141U DE29513141U1 (de) 1995-08-16 1995-08-16 Sicherungsgurtgeflecht für Fahrer-Airbag
DE29513141.1 1995-08-16

Publications (1)

Publication Number Publication Date
WO1996037383A1 true WO1996037383A1 (fr) 1996-11-28

Family

ID=26057924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/002154 Ceased WO1996037383A1 (fr) 1995-05-22 1996-05-20 Dispositif de fixation d'airbag

Country Status (1)

Country Link
WO (1) WO1996037383A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2375509A (en) * 2001-05-05 2002-11-20 S P Services An airbag deployment limiting means
GB2395466A (en) * 2002-11-21 2004-05-26 Ata Safety Devices Ltd An air bag deployment limiting means

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131290A (en) * 1990-11-15 1992-07-21 Chad Atkinson Steering wheel cover
US5277440A (en) * 1992-08-07 1994-01-11 Jackson Jr Thomas S Air bag retention device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131290A (en) * 1990-11-15 1992-07-21 Chad Atkinson Steering wheel cover
US5277440A (en) * 1992-08-07 1994-01-11 Jackson Jr Thomas S Air bag retention device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2375509A (en) * 2001-05-05 2002-11-20 S P Services An airbag deployment limiting means
GB2375509B (en) * 2001-05-05 2004-08-18 S P Services Airbag restraint
GB2395466A (en) * 2002-11-21 2004-05-26 Ata Safety Devices Ltd An air bag deployment limiting means

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