Securing device for a folded airbag and airbag module

Patent metadata

Field	Value
Publication number	US-2016339864-A1
Application number	US-201414889889-A
Country	US
Kind code	A1
Filing date	May 16, 2014
Priority date	May 21, 2013
Publication date	Nov 24, 2016
Grant date	—

Abstract

A mounting device ( 10 ) for a folded airbag, especially for a folded side airbag, is provided comprising a base plate ( 12 ), a clamping portion ( 14 ) encompassing the airbag in ring shape and a fixing plate ( 16 ) adjacent to the clamping portion ( 14 ). The fixing plate ( 16 ) and the base plate ( 12 ) exhibit a first and, resp., a second contact surface ( 32, 34 ) which ere directly superimposed in the mounted condition. Furthermore an airbag module comprising a mounting device ( 10 ) is suggested.

First claim

1 - 14 . (canceled)

15 . An airbag module ( 44 ) comprising at least one mounting device ( 10 ) and a folded airbag ( 46 ) comprising an outer airbag wall ( 56 ) and a mounting strap ( 50 ) adjacent thereto,
wherein the mounting device comprises a base plate ( 12 ), a clamping portion ( 14 ) encompassing the airbag ( 46 ) in ring shape and a fixing plate ( 16 ) adjacent to the clamping portion ( 14 ), wherein the fixing plate ( 16 ) has a first contact surface ( 32 ) and the base plate ( 12 ) has a second contact surface ( 34 ) which are directly superimposed in the mounted state and in that the mounting strap ( 50 ) contacts the side of the base plate ( 12 ) opposite to the second contact side ( 34 ).

16 . The airbag module ( 44 ) according to claim 15 , wherein at least one integrally formed anti-twist element ( 24 , 26 ) is provided which in the dosed state of the mounting device ( 10 ) projects into an airbag receiving portion ( 48 ) defined by the clamping portion ( 14 ).

17 . The airbag module ( 44 ) according to claim 16 , wherein the anti-twist element ( 24 , 26 ) includes a bent free end ( 28 , 30 ).

18 . The airbag module ( 44 ) according to claim 15 , wherein the clamping portion ( 14 ) includes plural lands ( 18 , 20 ) extending in curved shape at least in portions so as to at least partially define an airbag receiving portion ( 48 ).

19 . The airbag module ( 44 ) according to claim 15 , wherein a cut-out ( 40 ) is provided in the base plate ( 12 ) or in the adjacent end of the clamping portion ( 14 ) through which cut-out a mounting strap ( 50 ) of the airbag ( 46 ) can be guided.

20 . The airbag module ( 44 ) according to claim 15 , wherein at least one mounting hole ( 38 , 36 ) by which the mounting device ( 10 ) is arranged on the vehicle side is provided in the base plate ( 12 ) and in the fixing plate ( 16 ).

21 . The airbag module ( 44 ) according to claim 16 , wherein at least one projection ( 42 ) is provided at the base plate ( 12 ) for pre-fixing the airbag ( 46 ), and is especially provided on the rear side of the base plate ( 12 ) and adjacent to the cut-out ( 40 ).

22 . The airbag module ( 44 ) according to claim 15 , wherein a coupling device ( 66 ) is provided for coupling plural adjacent mounting devices ( 10 ) by which a pre-assembled unit is formed.

23 . The airbag module ( 44 ) according to claim 15 , wherein the mounting device ( 10 ) is designed in one piece and is especially an injection-molded part.

24 . The airbag module ( 44 ) according to claim 15 , wherein the base plate ( 12 ) or the end of the clamping portion ( 14 ) adjacent to the former has a cut-out ( 40 ) through which the mounting strap ( 50 ) is guided so that it contacts the side of the base plate ( 12 ) opposite to the fixing plate ( 16 ).

25 . The airbag module ( 44 ) according to claim 15 , wherein the mounting strap ( 50 ) includes at least one opening and the base plate ( 12 ) includes at least one protruding projection ( 42 ), the projection ( 42 ) passing through the opening so that the airbag ( 46 ) is pre-fixed.

26 . The airbag module ( 44 ) according to claim 15 , wherein an integrally formed anti-twist element ( 24 , 26 ) of the mounting device ( 10 ) extends between two layers of the folded airbag ( 46 ), and especially between the outer layer ( 56 ) and the layer ( 58 ) underneath.

Assignees

• Trw Automotive Gmbh

Inventors

• Fischer Anton

Classifications

• B60R21/213 Primary

  in vehicle roof frames or pillars · CPC title

• B60R21/23138 Primary

  specially adapted for side protection (B60R21/23184, B60R21/232 take precedence) · CPC title

• B60R21/201

  Packaging straps or envelopes for inflatable members · CPC title

• B60R21/232

  Curtain-type airbags deploying mainly in a vertical direction from their top edge · CPC title

• B60R21/237

  characterised by the way they are folded · CPC title