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Mechanical and electrical connection between an extruded metal profile and a cast metal member

  • US 4,961,712 A
  • Filed: 10/18/1989
  • Issued: 10/09/1990
  • Est. Priority Date: 10/20/1988
  • Status: Expired due to Term
First Claim
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1. A mechanical and electrical connection between an extruded metal profile and a cast metal member, with the cast member being provided with a peg-like projection adapted to the interior configuration of the extruded profile and insertable into the extruded profile, comprising at least one spring having a greater hardness than the extruded profile said cast member being disposed between mutually facing faces of the extruded profile and the projection, said spring including shaped-on barbs which claw into the extruded profile and the projection.

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