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Coaxial fitting contact tube construction

  • US 7,931,509 B2
  • Filed: 09/22/2010
  • Issued: 04/26/2011
  • Est. Priority Date: 09/25/2009
  • Status: Active Grant
First Claim
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1. A contact tube for coaxial cable fittings comprising at least one female fitting end, the tube comprising:

  • a longitudinal axis;

    a generally rectangular metallic sheet adapted to be rolled into tubular form, each sheet comprising a generally planar midsection, at least one generally planar, integral end portion, and at least one integral slotted portion disposed between an end portion and said midsection;

    each slotted portion comprising a plurality of parallel, curved, slots, radially separated from one another by curved metal strips;

    wherein after rolling the midsection and end portions assume a tubular configuration of a first diameter, and the slotted portions form a tubular configuration with a second diameter smaller than said first diameter, with radially spaced apart strips separated at equidistant radial intervals by slots; and

    ,wherein said strips are bent inwardly towards said longitudinal axis to form radially spaced apart contact points disposed in a generally polygonal configuration, the strips contacting the periphery of an inner conductor from a male fitting electrically connect therewith and overlapping one another.

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