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Electrical connector assembly having an anti-decoupling device

  • US 4,464,000 A
  • Filed: 09/30/1982
  • Issued: 08/07/1984
  • Est. Priority Date: 09/30/1982
  • Status: Expired due to Fees
First Claim
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1. An electrical connector assembly having an anti-decoupling device comprising:

  • first and second shells (100,

         200), said first shell (100) having an annular wall (130) circumjacent an annular shoulder (140);

    a coupling nut (300) having an inner wall (322) and an end wall (342) rotatably mounted to said first shell (100) and including thread (310) connectable with corresponding thread (210) on the second shell (200) for interconnecting the shells, a spring cavity (330) being formed between end wall (342) and annular shoulder (140) and between annular wall (130) and inner wall (322); and

    an anti-decoupling device for retarding rotational movement of the coupling nut (300) relative to the interconnected shells, said anti-decoupling device characterized by;

    an annular ring (400) clearance fit for sliding about first shell (100) and having and end face (410) in abutment with end wall (342) and a forward tapered face (420); and

    a helical coil spring (500) formed into an annulus and disposed within spring cavity (330), the inner surfaces of each coil of the spring being snugly fit about annular wall (130), coupling rotation advancing end wall (342) longitudinally forward against annular ring (400) and forward tapered face (420) thereof into abutment with coil spring (500) to squeeze the coil spring into abutment with annular shoulder (140) and cam the annulus radially from snug contact with annular wall (130) upwardly against inner wall (322) of the coupling nut, friction developed between coils squeezed together and squeezed against inner wall (322), tapered face (420) and annular shoulder resisting rotation of the coupling nut.

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