Flow rate control valve
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United States of America Patent
Stats
-
Aug 8, 1995
Grant Date -
N/A
app pub date -
Aug 31, 1994
filing date -
Sep 17, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a flow rate control valve having a handle (12) for rotating a stem (9), the handle being locked to a bonnet (3) by a lock screw (14), the handle (12) comprises a handle main body (12') fixed to an upper end of the stem (9), and a tubular lock handle (12') coupled to the lower end of the handle main body (12'). The lock handle is movable in a direction orthogonal to an axial line of elongation Y of the stem 9 relative to the handle main body, with the lock handle enclosing the upper outer circumference of the bonnet (3), and the lock screw (14) being movable in the lock handle (12') in a direction nearly orthogonal to the axial line of elongation Y of the stem (9) to engage the bonnet (3).
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