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SHIELDED WIRE CONNECTORS

  • US 3,670,293 A
  • Filed: 08/20/1970
  • Issued: 06/13/1972
  • Est. Priority Date: 08/20/1970
  • Status: Expired due to Term
First Claim
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1. An electrical connecting device for a shielded cable of the type comprising a center conductor, an inner insulating sheath in surrounding relationship to said center conductor, an outer insulating sheath in surrounding relationship to said inner insulating sheath, and metallic shielding comprising a drain wire between said inner and outer insulating sheaths, said connecting device comprising:

  • an outer metallic member, said outer member having a cylindrical contact portion and having a cable attaching portion integral therewith and extending from one end thereof, an inner metallic member coaxially disposed within said outer metallic member, said inner metallic member being adapted to receive said center conductor and being insulated from said outer metallic member, said cable attaching portion comprising first and second ferrule forming sections, said first ferrule-forming section comprising an arcuate bight and sidewalls extending from said bight, one of said sidewalls extending generally tangentially from said bight, the other one of said sidewalls extending from said bight along an arcuate path towards said one sidewall, said other sidewall having a longitudinally extending edge which is adjacent to said one sidewall and spaced inwardly from the longitudinal edge of said one sidewall, said second ferrule forming portion being generally U-shaped and being in alignment with said first ferrule forming portion, whereby, upon locating an end portion of said cable in said connecting device with an exposed portion of said center conductor in said inner metallic member, with an exposed portion of said inner insulating sheath between said sidewalls of said first ferrule forming portion and partially surrounded by said other sidewall thereof, and with an exposed portion of said drain wire adjacent the inner and outer surfaces of said one sidewall and said other sidewall respectively, and with an unstripped portion of said cable within said U-shaped second ferrule forming section, and upon crimping said first and second ferrule forming sections onto said cable, said outer metallic member is electrically connected in an electrical connection to said drain wire by said first ferrule forming portion, and said outer metallic member is mechanically connected to said outer insulating sheath with a mechanical connection which is independent of said electrical connection.

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