Inlet conduit adaptor for underground storage tank

  • US 5,664,951 A
  • Filed: 06/18/1996
  • Issued: 09/09/1997
  • Est. Priority Date: 10/11/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A fuel adapter for engaging a riser pipe, comprising:

  • a first electrically conductive component having an external surface of revolution that is concentrically disposed about a first axis, said external surface having a first annular groove;

    a second electrically conductive component that is rotationally movable with respect to the first component during use, said second component having an internal surface of revolution that is concentrically disposed about a second axis that is coincident with said first axis, said internal surface of revolution having a dimetral dimension that is slightly greater than the dimetral dimension of the external surface of revolution with the external surface being at least partially fitted within said internal surface, said internal surface having a second annular groove that is in axial alignment with the first annular groove; and

    an electrically conductive flexible rod partially located in both the first and second annular grooves, said rod providing an electrical path between the first and second components for the discharge of static electric.

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