Patent ID: 6736367
Filing Date: 2004-05-18
Classification: F16K,F16L

Abstract:
A hose coupling lock for a valve, comprising:a support; a linkage pivotally mounted to the support, the linkage having a first end and a second end; a hose engaging member at the first end of the linkage; an actuator engaging member at the second end of the linkage; such that by pivoting the linkage, the hose engaging member is movable between an engaged position and a disengaged position, in the engaged position the hose engaging member overlies and maintains in engagement a hose with a hose coupling of a valve, the actuator engaging member engaging a manual valve actuator of the valve when in a first position with the valve open to prevent pivoting of the linkage and maintain the hose engaging member in the engaged position until the manual valve actuator has been moved to a second position with the valve closed.