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US 5,178,187 AGranted
Valve position indicating apparatus
AssigneeBray International, Inc.
InventorsFrank J. Raymond, Jr., Frank W. Johnston
Life of this patent
Estimating the term…
Abstract
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.
Claims5
Apparatus for indicating the opened and closed positions of a rotary closure member of a valve, comprising
- a housing having top, side and end walls with windows therein and a bottom wall with an opening therethrough,
- a first bevel gear mounted on the bottom wall for rotation about a vertical axis and having means thereon opposite the opening through the bottom wall to permit it to be rotatably connected to a part exterior of the housing and rotatable in response to rotation of the closure member between its opened and closed positions.
- a drum supported by the housing for rotation therein about a horizontal axis perpendicular to the vertical axis of rotation of the first bevel gear and with its top, side and end walls relatively close to the top, side and end walls of the housing,
- a second bevel gear supported by the drum for rotation therewith about said horizontal axis and engaging the first bevel gear in order to rotate the drum in response to rotation of said part, and
- means about the drum which is visible through the windows of the housing for indicating the opened and closed positions of the closure member.
2 more elements
Dependencies are inferred from the claim text.