Patent ID: 7494156
Filing Date: 2009-02-24
Classification: F16L

Abstract:
1. A quick connector comprising: a connector body into which an end part, provided with an annular ridge, of a tube can be inserted; a retainer provided with locking tongues to be engaged with the annular ridge to lock the end part of the tube in place in the connector body; and a complete connection indicating member for indicating a condition where the end part of the tube has been completely inserted in the connecter body such that the retainer is able to engage completely with the annular ridge; wherein the complete connection indicating member is insertable in the connector body to a temporary position to combine the complete connection indicating member temporarily with the connector body so that the complete connection indicating member can be only pressed into the connector body in a radical direction, and the complete connection indicating member can be pressed futher toward the connector body from the temporary position to a complete connection indicating position only when the end part of the tube is inserted in the connector body to a position where the locking tongues of the retainer can completely engage with the annular ridge; and wherein the complete connection indicating member is a U-shaped member having a pair of parallel legs provided at their ends with hooks capable of engaging in openings formed in side walls of the connector body, respectively, and the complete connection indicating member can be pressed further toward the connector body when the end part of the tube is completely inserted in the connector body and the hooks of the complete connection indicating member are pushed by the annular ridge so that the hooks can be disengaged from the openings.