F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/54
F16L 17/02 (2006.01) F16L 37/091 (2006.01)
Patent
CA 1270279
ABSTRACT OF THE DISCLOSURE A quick-connect tube coupling includes a body member having a bore for receiving the end of a tube, a first counterbore adjacent the outer end of the body member for receipt of an annular ring portion of a gripper ring surrounding the tube, and a second smaller diameter counterbore between the bore and first counterbore for receipt of radially and axially inwardly extending gripper ring fingers. The second counterbore provides limited and controlled outward deflection of the gripper ring fingers when a pulling force is applied to the tube so that the fingers bite into the tube surface preventing the tube from being pulled out of the coupling. A hand- threaded nut on the outer end of the body member retains the gripper ring within the body member when a pulling force is applied to the tube. An 0- ring seal is also desirably contained within the first counterbore axially outwardly of the gripper ring to form a seal between the tube and body member. A washer disposed between the O-ring seal and gripper ring provides an axially movable support therebetween. In one form of the invention, the gripper ring fingers are radially outwardly deformed from the outer corners of the fingers toward the center along the outer edge of the fingers so that the finger corners bite into the tube first when a pulling force is applied to the tube.
506649
Jaco Manufacturing Company
Swabey Ogilvy Renault
LandOfFree
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