Lock unit for a fluid coupling apparatus

Details Lock unit for a fluid coupling apparatus Lock unit for a fluid coupling apparatus

1989-09-27

1990-09-11

Watson, Robert C.

Metal working

Means to assemble or disassemble

Coupling to conduit

29252, B23P 1904

Patent

active

049551221

ABSTRACT:
A lock system for a pipe joiner device is disclosed having a fixed-side connector block provided with at least a connector and a moving-side connector block provided with another connector for engagement with and disengagement from the foregoing connector, in which as the piston rod of a single actuator cylinder advances forward, lock levers mounted to the moving-side connector block moves forward into a connection opening formed in the fixed-side connector block and also, the positional relation between pin members fixedly mounted on the lock levers and L-shaped guide slots provided in a dog which is supported by the forward end of the piston rod for forward and backward movement varies thus to extend toggle links joined between the front ends of the lock levers and the forward end of the piston rod, so that hook portions formed on the front ends of their respective lock levers can engage with a connecting opening end area of the fixed-side connector block to join the moving-side connector block with the fixed-side connector block closely and simultaneously, to connect the connectors on both sides to each other for communication of pipings joined to the connectors. In reverse manner, when the piston rod is moved backward from the position of engagement, the lock levers retract from the connection opening in the fixed-side connector block to separate the moving-side connector block from the fixed-side connector block.

REFERENCES:
patent: 3774636 (1973-11-01), Arita
patent: 4328608 (1982-05-01), Gibson
patent: 4418458 (1983-12-01), Hunter

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