F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 37/00 (2006.01)
Patent
CA 2087374
VALVE POSITION INDICATING APPARATUS ABSTRACT OF THE DISCLOSURE There is disclosed apparatus for indicating the opened and closed positions of a rotary closure member of a rotary valve in which a drum rotatable within a housing to be mounted on the valve has "open" and "closed" indicia thereon movable into positions opposite windows in the wall of the housing in response to rotation of the drum in response to rotation of the closure member.
Johnston Frank W.
Raymond Frank J. Jr.
Bray International Inc.
Finlayson & Singlehurst
LandOfFree
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