Patent ID: 6527004
Filing Date: 2003-03-04
Classification: F16K,Y10T

Abstract:
A vertical shock actuated valve assembly adapted to automatically close off the flow of a controlled fluid through a conduit in response to a shock or vibration force of a predetermined magnitude and having a shock actuated responsive mechanism comprising:a. a cradle having a horizontal base plate and a pair of arms extending away from the horizontal base plate and opposing each other and attached to a vertical plate which in turn is attachable to a main body of said valve assembly, the horizontal base plate having a central circular bore therethrough in which a weight in the form of a ball is supported and retained thereon; b. a parallelogram mechanism including a projection trip arm, a first pair of parallel links extending from said trip arm and a second pair of parallel arms extending from said trip arm, the parallelogram mechanism movably attached to the valve assembly by pin means extending through said first and second parallel links; c. a trip fork mechanism having a contoured semi-circular base member and a pair of spaced apart vertical walls by which the trip fork mechanism is secured between said first and second pairs of parallel links of said parallelogram mechanism by pin means, the trip fork mechanism located adjacent to said horizontal base plate such that the contoured semi-circular base member faces said ball; and d. a housing cover enclosing said ball, said cradle, said parallelogram mechanism, and said trip fork mechanism so that when said ball is moved out of said central circular bore and retained-on said horizontal base plate by the housing cover and rattles around and ricochets off the interior of the housing cover, the ball thereby strikes said contoured semi-circular base member of said trip fork mechanism to cause a cross pin to release a swing arm to cause a valve member to move against a valve seat and thereby activate said valve assembly to stop the flow of the fluid therethrough.