Safety coupler locking means

Details Safety coupler locking means Safety coupler locking means

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 37/08 (2006.01) F16L 37/20 (2006.01)

Patent

CA 2151171

An elbow coupler includes a linkage for locking the coupler to an adapter. The linkage has a resilient, laterally deflectable link that limits the forces applied to the linkage thereby preventing the components of the linkage from being overstressed. A spring loaded, blocking sleeve prevents the coupler from normally remaining upright on an adapter, unless it is locked thereon through use of the locking linkage. A flapper valve is interconnected with the blocking sleeve to the end that the valve is normally closed and then opened when the coupler is locked onto an adapter.

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