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Quick-disconnect tube coupler with use-enhancing features

  • US 5,695,223 A
  • Filed: 03/29/1995
  • Issued: 12/09/1997
  • Est. Priority Date: 03/29/1995
  • Status: Expired due to Term
First Claim
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1. In a tube coupler having a female member, a male member received in the female member and a device for holding the male and female members in sealing contact with one another, the improvement wherein:

  • the female member includes a tube portion, first and second retention shoulders and first and second guide members;

    the device includes first and second rails, each rail having an outward surface, an inward surface and a free end;

    each rail has a projection extending from the rail outward surface and engaging a respective one of the retention shoulders;

    each guide member is spaced from a respective retention shoulder and bears against the inward surface of a respective rail, thereby preventing the rail from unduly moving away from a respective retention shoulder;

    the device is mounted at the tube portion of the female member for transverse movement between a holding position and a release position;

    the coupler includes a locking mechanism mounted on the female member adjacent to the device and having a body portion biased toward the device and bearing against the device when the device is moved to the release position, thereby retaining the device in the release position.

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