Patent ID: 6079442
Filing Date: 2000-06-27
Classification: F16K,Y10T

Abstract:
A rotary valve actuator, comprisinga housing adapted to be mounted on the valve and having an opening in an outer wall thereof,means within the housing for rotating the valve stem between positions opening and closing the valve, includinga shaft having one end mounted opposite the housing opening and rotatable in response to rotation of the stem,an outer cylinder having detent fingers for passing yieldably through the opening and means thereon engagable with the outer side of the outer wall, when the detent fingers are engaged with the inner side thereof about the opening, andan inner cylinder within the outer cylinder releasably engaged with the one end of the shaft for rotation therewith,said outer cylinder having windows and said inner cylinder having indicia thereabout visible through the windows for indicating the disposal of the valve in open and closed positions.