F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
310/48
F16L 37/24 (2006.01) B05B 1/00 (2006.01) B05B 15/06 (2006.01) B08B 3/02 (2006.01) F16L 41/08 (2006.01)
Patent
CA 1204129
Abstract of the Disclosure A fluid transfer system including a cap member having a first fluid transfer member therein and being removably mountable on a second fluid transfer member. Cooperating lugs and slots formed by the cap member and second member lock the two members together when the cap is placed on the second member and rotated relative thereto. A resilient annular gasket is disposed between the second member and cap member and surrounds the liquid passageway therethrough to prevent leakage. The second member and cap members form an annular space on one side of the outer peripheral portion of the gasket, and an annular bead presses against the other side of the outer peripheral portion of the gasket so that the bead bends that portion of the gasket into the annular space to effect a liquid-tight seal on both sides of the gasket. In the preferred embodiment, the locking lugs are formed on the second member which fits inside the cap member, and the locking slots formed by the cap member extend radially through the wall of the cap member so that the cooperating lugs on the body member are visible through the slots. The slots form cam surfaces which force the cap member tightly onto the second member, and locking notches adjacent the ends of the cam surfaces for holding the cap member in a predetermined locked position. The ends of the notches adjacent the cam surfaces are tapered in the direction of the cam surfaces so that the application of a turning torque to the cap is sufficient to disengage the locking notches from the lugs, thereby facili- tating disassembly of the cap. In one embodiment, the fluid transfer system comprises a spray nozzle assembly in which the first fluid transfer member is a spray tip seated in the cap, and in alternate embodiments, pipe coupling assemblies are disclosed wherein the first and second fluid transfer members are pipe sections.
429044
Bird George E.
Butterfield Ted
O'brien Edward J.
Paulsen Gary A.
Macrae & Co.
Spraying Systems Co.
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