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Positive locking connector

  • US 4,543,993 A
  • Filed: 04/04/1983
  • Issued: 10/01/1985
  • Est. Priority Date: 04/04/1983
  • Status: Expired due to Term
First Claim
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1. A connector for holding a female coupling half and a male coupling half together comprising:

  • threaded means on the male and female coupling halves for moving the male coupling half axially into the female coupling half upon rotation of the coupling halves relative to each other;

    locking means in the female coupling half for engaging the male coupling half in the female coupling half to prevent rotation of the male and female coupling halves relative to each other; and

    blocking means adjacent the locking means, movable between (a) a blocking position for blocking the locking means from engaging the male coupling half and (b) an unblocking position releasing the locking means to engage the male coupling half, a portion of the blocking means being positioned to be contacted by the male coupling half moving axially into the female coupling half, the male coupling half moving the blocking means to the unblocking position when the male and female coupling halves are threaded together.

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