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Locking coupling connector

  • US 5,957,716 A
  • Filed: 09/23/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 03/31/1995
  • Status: Expired due to Fees
First Claim
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1. A locking coupling comprising:

  • a body (1) adapted for connection to a separate body;

    a coupling collar (2) rotatably mounted on said body and adapted to cooperate with said separate body to hold it in axial connection with said body, said coupling collar being rotatable in a locking sense to hold said body (1) and said separate body together, and in a release sense to release said body from said separate body;

    a locking collar mounted on said body and longitudinally movable with respect to the coupling collar between locking and unlocking positions;

    bias means (8) that urge the locking collar (4) towards the locking position; and

    locking formations (10,

         11) on the locking collar and coupling collar;

    characterised in that the locking collar (4) is restrained from rotating when it is at the locking position and in that the locking formations on the coupling collar interengage axially with those on the locking collar when the locking collar is moved to the locking position so as to restrain the coupling collar against rotation in the release sense on said body (1).

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