Steering wheel with built-in airbag

Details Steering wheel with built-in airbag Steering wheel with built-in airbag

B - Operations, Transporting

62

D

B62D 1/04 (2006.01) B60R 21/16 (2006.01) B60R 21/20 (2006.01)

Patent

CA 2222856

For a steering wheel for motor vehicles with an integrated airbag, a covering for the central airbag region being formed in one piece with a sheathing which adjoins on the outside for the steering-wheel spokes and the steering-wheel rim, and the steering wheel inclusive of all accessory parts forming a finished structural unit which can be connected to the steering column during final assembly, it is provided that the steering wheel comprises a steering-wheel skeleton (1) and a two-shell sheathing (2, 3), - the steering-wheel skeleton (1) having a hub region (5) to be fastened to the steering column (4), - an airbag module (6) being fastened to the steering-wheel skeleton (1), - the sheathing comprising an upper shell (2) with airbag covering (2a) and a lower shell (3) with a central opening (8) in the hub region (5) and - the upper shell (2) and lower shell (3) being connected to each other along a parting surface.

La présente invention vise un volant à coussin gonflable intégré pour véhicules motorisés. Un couvercle pour la portion centrale du coussin gonflable est formé d'une seule pièce à l'aide d'un revêtement primaire dont le rebord extérieur est contigu aux rayons et à la jante du volant. Le volant et toutes les pièces accessoires forment une structure finie pouvant être raccordée à la colonne de direction pendant l'assemblage final. Le volant est composé d'une ossature (1) et d'un revêtement primaire à deux coquilles (2,3), l'ossature de volant (1) comportant un moyeu (5) se fixant sur la colonne de direction (4), un module pour coussin gonflable (6) qui se fixe sur l'ossature du volant (1). Le revêtement primaire comprend une coquille supérieure (2) munie d'un élément servant à recouvrir le coussin gonflable (2a) et une coquille inférieure (3) présentant une ouverture centrale (8) dans la région du moyeu (5). La coquille supérieure (2) et la coquille inférieure (3) sont reliées l'une à l'autre le long d'une surface de séparation.

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