Quick connecting coupling

Claim 1

A coupling device for fluid conduits comprising a tubular male member and female sleeve member, each having longitudinal axis, a hose end and a coupling end, said coupling ends being adapted to couple said members to form a water-tight joint, shoulder means on said male member intermediate its ends, said members having means for positioning said male and female members with the bores thereof in communication and in substantial axial alignment, latching means on said female sleeve member comprising a plurality of flexible finger means having radially inwardly directed lip means, and cam lock means comprising lock ring means positioned around the outer surface of said latching means and moveable rotationally and axially substantially the entire length thereof through rotational force applied thereto into and out of a position wherein said lip means are forced and maintained in positive locking relationship with said shoulder means, said cam lock means comprising cooperating helical cam means on said latching means and said lock ring means for direct said rotational and axial movement, said helical cam means having a lock or neutral position wherein axially directed forces on said members cannot cause said lock ring to move.