SIDE IMPACT BAR


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Purpose, Function

•  A door beltline reinforcement and side impact bars have been adopted to prevent the doors from intruding into the cabin in a side collision.

Construction

•  Waveform (double-hat shape cross section) shape has been adopted to the following side impact bars:
Front door
―  Side impact bar lower
Rear door
―  Side impact bar lower
•  By adopting the waveform (double-hat shape cross section) side impact bars, strength can be assured even with thinner steel plates, achieving both high rigidity and weight reduction.
•  For the door beltline reinforcement of the front door, an optimal cross-sectional shape has been adopted which satisfies both mass and strength, and achieves weight reduction.
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•  The door beltline reinforcement and side impact bars disperse the impact during a side collision.
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•  Intrusion of a front door during a side collision is suppressed by positioning the door beltline reinforcement and lower side impact bars of the front door so that they overlap the hinge pillar and center pillar.
•  Intrusion of a rear door during a side collision is suppressed by positioning the lower side impact bars of the rear door so that they overlap the center pillar and side sill.
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Fail-safe

•  Not applicable