Shock actuated responsive mechanism for vertical fluid valve assemblies
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United States of America Patent
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Jan 7, 2003
Issued Date -
N/A
app pub date -
Dec 28, 2001
filing date -
Sep 21, 2000
priority date (Note) -
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Abstract
A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism having a cradle that holds a movable ball in a recess at a point perpendicular in relation to a horizontal base plate, where the ball can be rotated 360.degree. in any direction during seismic actions or other shock forces and rolls out of its recess at a predetermined force such that it ricochets off a housing cover covering the cradle and pushes a pipe that is mounted on a pivoting parallelogram lever mechanism, thereby releasing a swing arm which has a disc on the end that functions as a plug for the hole in the valve body to interrupt gas or fluid flow therein.
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