Patent ID: 7370893

Claim:
A system for absorbing an impact to a motor vehicle comprising: a bumper beam; a bumper facia; and a hollow impact absorbing member interposed between said bumper beam and said bumper facia comprising: a first wall disposed against said bumper beam; a second wall disposed against said bumper facia, said first wall is spaced from said second wall to define a hollow space; said hollow space is further defined by a peripheral wall extending from peripheral edges of said first and second wall; a first plurality of concave ribs extending from said first wall into said hollow space towards said second wall and is proximal to said second wall whereby said first plurality of concave ribs occupies a portion of said hollow space; a second plurality of concave ribs extending from said second wall into said hollow space towards said first wall and is proximal to said first wall whereby said second plurality of concave ribs occupies a portion of said hollow space; and a weld surface supported by said first plurality of concave ribs in one direction and supported by said second plurality of concave ribs in another direction wherein said weld surface is formed in an approximately circular shape, has a diameter between 5.0 and 15.0 mm and is disposed approximately half way between said first and second walls; and said bumper beam absorbing a impact in case of affected high impact applied and said hollow impact absorbing member absorbing a impact in case of affected low impact of 5 kN or less applied to the bumper facia.