Patent ID: 7566077
Filing Date: 2009-07-28
Classification: F02M,F16L

Abstract:
1. A quick-connect coupling comprising: a coupling body into which an end part, provided with an annular ridge, of a tube is insertable; a retainer insertable through a window into the coupling body in a direction perpendicular to the axis of the coupling body so as to engage the annular ridge and to retain the end part of the tube in the coupling body, the retainer comprising complete connection verifying members integrally formed with the retainer to enable the retainer to be pressed through the window into the coupling body only after the annular ridge of the tube has advanced to a position where the retainer can engage the annular ridge of the tube; wherein the coupling body comprises a blocking part that engages with the complete connection verifying members to restrain the complete connection verifying members from being pressed into the coupling body when the annular ridge of the end part of the tube has not advanced to the position where the retainer can engage the annular ridge of the tube.