SIDE AIRBAG APPARATUS

Abstract

A side airbag apparatus has an inflatable side airbag, an inflator which supplies an inside of said side airbag with gas, a base which includes an accommodating space in which said folded side airbag and inflator are accommodated, and a harness end connected to said inflator to supply it with power for ignition. The base member has a backside surface which faces an inside of the seat and a frontside surface, an opening for the accommodating space protruding toward the frontside surface formed on the backside surface, a protrusion portion constituting said accommodating space at the backside surface formed on the frontside surface, and a harness supporting portion which fixes a portion of said harness downwardly extending the inflator toward the vehicle floor so as to restrict lateral and vertical movements of the harness relative to the frontside surface, is formed below the protrusion portion.

Claims

1. A side airbag apparatus provided between a vehicle body and a seat disposed in the vehicle comprising an inflatable side airbag, an inflator which supplies an inside of said side airbag with gas, a base member which includes an accommodating space in which said folded side airbag and inflator are accommodated, and a harness one end of which is connected to said inflator to supply it with power for ignition, said base member comprising a backside surface which faces an inside of the eat and a frontside surface, an opening for said accommodating space protruding toward said frontside surface is formed on said backside surface, a protrusion portion constituting said accommodating space at the backside surface is formed on said frontside surface, and a harness supporting portion which fixes a portion of said harness downwardly extending said inflator toward the vehicle floor so as to restrict lateral and vertical movements of said harness relative to the frontside surface, is formed below said protrusion portion, said harness extends downwardly from said inflator to the vehicle floor to be drawn out from the backside surface to said frontside surface.

2. The side airbag apparatus according to claim 1, an aperture for said harness a size of which is large enough to draw out the harness from said backside surface to said frontside surface is formed below said protrusion portion, said harness supporting portion is provided below said aperture for said harness, and said harness extends downwardly from said inflator to the vehicle floor to be drawn out from the backside surface via said aperture for said harness to said frontside surface.

3. The side airbag apparatus according to claim 2, wherein said harness supporting portion is constituted by guide and/or hook and/or clip portions spaced apart from each other and formed on a surface below a portion constituting said accommodating space.

4. The side airbag apparatus according to claim 3, wherein an inclined surface with an opening for said harness is provided below said protrusion portion, a portion on which said inflator is mounted constitutes a penetrated hole provided on an elongated surface defining a bottom surface of said accommodating space, said inclined surface is interposed between said surface where said guide and/or hook and/or clip portions are provided and said elongated surface in such a way that said surface is in parallel with said elongated surface via a stepped portion.

5. The side airbag apparatus according to claim 1, wherein said inflator is accommodated in said accommodating space with being oriented to be vertically elongated in such a way that its connecting portion which is connected to said harness is oriented downwardly.

6. The side airbag apparatus according to claim 2, wherein the size of said opening for said harness is determined so as to secure an assembly workability of said harness and a restriction of a movement of said harness, in accordance with the diameter of said harness.

7. The side airbag apparatus according to any of claim 1 further comprising a skin member covering said base member accommodating said side airbag and said inflator, from front of the vehicle body, and said harness is supported so as to be surrounded by said skin member.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0087] FIG. 1 is a view showing an arrangement of the side airbag apparatus of the embodiment of the present invention.

[0088] FIG. 2 is a cross sectional view taken along line A-A in FIG. 1 showing a situation in which the side airbag 11 is accommodated.

[0089] FIG. 3 is an exploded view showing the base member 20 of the side airbag apparatus of the embodiment of the present invention.

[0090] FIG. 4 is a perspective view showing the base member 20 of the side airbag apparatus of the embodiment of the present invention, seen from the frontside surface of the base member 20.

[0091] FIG. 5 is a partial detailed perspective view showing a configuration around the harness supporting portion of the base member 20 of the side airbag apparatus of the embodiment of the present invention.

[0092] FIG. 6 is a perspective view showing the base member 20 of the side airbag apparatus of the embodiment of the present invention, seen from the backside surface of the base member 20.