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Thread lock for cable connectors

  • US 7,887,354 B2
  • Filed: 08/07/2009
  • Issued: 02/15/2011
  • Est. Priority Date: 08/11/2008
  • Status: Expired due to Fees
First Claim
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1. In a cable connector for connection of a cable to a male threaded end of a port wherein a connector sleeve is adapted to receive an end of the cable, a coupling nut includes an internally threaded portion to receive said male threaded end and a first annular seal between said sleeve and said nut, the improvement comprising:

  • an annular groove disposed in said internally threaded portion of said coupling nut;

    a second annular seal inserted in said groove including an inner peripheral surface in substantial alignment with inner peripheral edges of said internally threaded portion; and

    wherein threaded advancement of said male threaded end through said internally threaded portion said second annular seal is operative to increase the torque loading between said coupling nut and said sleeve whereby to resist accidental loosening or disengagement between said port and said coupling nut and effect sealed engagement between said threaded end and said nut.

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