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Wedge clamp type termination for elevator tension member

  • US RE47,035 E1
  • Filed: 03/19/2004
  • Issued: 09/11/2018
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Term
First Claim
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1. A termination device for a tension member, the tension member having a width W and an elastomer coating that has a maximum compressive stress capability σ

  • c, the tension member being subjected to a tensile force T, the termination device comprising;

    a socket; and

    a wedge that fits within the socket with the tension member wrapped around the wedge, the wedge having a clamping surface that includes a length L and is disposed at an angle ϕ

    , which is measured from a centerline of the wedge to the clamping surface and which relates to the length L in accordance with the formula defining a minimum of the angle ϕ

    ;


    ϕ



    tan

    1
    ϕ

    =tan

    1
    (T/(σ

    c*L*W)).

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