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Fluid connector latches with profile lead-ins

  • US 9,046,205 B2
  • Filed: 12/22/2010
  • Issued: 06/02/2015
  • Est. Priority Date: 12/09/2009
  • Status: Active Grant
First Claim
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1. A female receiving connector for connecting sections of tubing comprisinga housing further comprisinga top housing portion;

  • a bottom housing portion coupled to the top housing portion; and

    a button moveably coupled within the housing; and

    a locking plate coupled to the button and configured to move with the button, the locking plate including at least a first surface profile and a second surface profile together defining an enclosed aperture, with the first surface profile having a profile lead-in further comprisingan interfacing surface formed on a proximal side of the profile lead-in for interfacing with a male connector, wherein the interfacing surface extends along a bottom portion of the enclosed aperture of the locking plate;

    a locking surface located on a distal side of the bottom portion of the aperture for securing the male connector within the housing of the female receiving connector; and

    a parabolic cylinder surface located between the interfacing surface and the locking surface, whereinthe parabolic cylinder surface extends to lateral edges of the aperture,a proximal edge of the parabolic cylinder surface tapers distally towards a distal edge of the parabolic cylinder surface as the parabolic cylinder surface approaches the lateral edges of the aperture such that a distance between the proximal edge and distal edge narrows, the interfacing surface has a length from a proximal edge of the interfacing surface to the proximal edge of the parabolic cylinder surface that varies from a center toward lateral edges of the aperture, a middle length at a center of the interfacing surface is shorter than an outer length of the interfacing surface at the lateral edges such that the interfacing surface becomes longer distally at the at the lateral edges while the parabolic cylinder surface becomes shorter proximally at the lateral edges, the distal edge of the parabolic cylinder surface abuts with the locking surface and the parabolic cylinder surface is perpendicular to the locking surface; and

    whereinthe second surface profile defines a convex curved surface extending from a proximal side of the locking plate to a distal side of the locking plate.

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