F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/54, 285/47.4
F16L 37/08 (2006.01) F16L 37/088 (2006.01)
Patent
CA 1089892
ABSTRACT OF THE DISCLOSURE A quick connect coupling is disclosed providing an integrally formed tube end assembly in which the wall of the tube is deformed to increase the diameter and is subse- quently roll formed to produce a pair of axially spaced peri- pheral grooves to receive a snap lock ring and a seal. The inside diameter of the tube end within the grooves is substan- tially as large as the inside diameter of the remainder of the tube so that a substantial flow restriction does not result from the presence of the peripheral grooves. The material of the tube end is work hardened so that sufficient structural strength is provided even in the zone of the grooves. A smoothly curved rib is also formed in the tube wall to cooperate with a lock ring to permanently connect a tubular nut to the tube end after the device is initially connected as a quick connect coupling. The tubular nut is formed with a counterbore at its inner end to provide a radial wall and a cylindrical wall which receives the lock ring when the coupling is originally connected.
286342
Browne Frederick S.
Sarson Charles R.
Dana Corporation
Macrae & Co.
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