Coupling member for a pipe coupling

Details Coupling member for a pipe coupling Coupling member for a pipe coupling

2006-04-18

2006-04-18

Lee, Kevin (Department: 3753)

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

C137S614030, C137S614010, C137S614050

Reexamination Certificate

active

07028982

ABSTRACT:
A coupling member has a spherical rotatable valve member is operatively installed therein so as to be movable in an axial direction of the coupling member, and so as also to be rotatable between the opening rotational position and a closing rotational position under a control of a cam mechanism comprising a pin and a cam hole formed in the rotatable valve member and slidably engaged with the pin. The coupling member further comprises a stopper to be engaged with the rotational valve member to hold it into the opening rotational position and a spring member for urging the rotatable valve member against the stopper via the pin.

REFERENCES:
patent: 4473211 (1984-09-01), Fremy
patent: 4664149 (1987-05-01), Fremy
patent: 2005/0087239 (2005-04-01), Kohda
patent: 2005/0087241 (2005-04-01), Kohda
patent: S58-160692 (1983-09-01), None
patent: 2004-211739 (2004-07-01), None

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