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Electrical earth connection and method of producing contact areas for the electrical earth connection

  • US 8,191,923 B2
  • Filed: 12/04/2009
  • Issued: 06/05/2012
  • Est. Priority Date: 01/16/2009
  • Status: Expired due to Fees
First Claim
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1. An electrical earth connection configuration, comprising:

  • a central tunnel of a frame structure;

    a holder having union nuts and fastening bolts which protrude upward;

    a controller housing of a central airbag unit of a motor vehicle, said controller housing disposed on said central tunnel by said holder, and said controller housing being fastened to said fastening bolts by said union nuts;

    a first electrical earth connection being joint welds electrically connecting said holder to said central tunnel; and

    a second electrical earth connection electrically connecting said controller housing of the central airbag unit to said holder, said second electrical earth connection being defined by paint-free blank contact areas on said holder, said paint-free blank contact areas are disposed on said holder around a foot end of said fastening bolts as a support area for said controller housing.

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